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Trail Races and Ultramarathons
Market to Market 50k
Double Half Mary
Feast and Feathers Trail Half-Marathon, 10K & 5K
Wolf Lake Trail Run
Happy Camper 5K Trail Run
Ice Age Trail 50
Kettle Moraine 100 Endurance Runs
Cheyenne Creek Trail Festival
Seamus Scramble 5K & 5 Mile
14K(arat) Women's Trail Run
Rocky's Rollercoaster Run
LunaTics Trail Series
Festival of Colors 5K & 10K
City of Trails TrailRun
InStep Trail Races
Ragnar Trail Northwoods-WI, Presented by Salomon
The North Face Endurance Challenge- Wisconsin
NCTRaces: Palmers
Upchuck 50k
Rock/Creek StumpJump 50K
Rock/Creek StumpJump 50K - Runner Reports
Trail That Can't Be Concord
Scenic City Trail Marathon
Dirty South Trail Half Marathon and Marathon
Dry Creek Trail Races
Shelli Huether Veterans Day Honor Run, Walk, and Ruck.
Haliburton Forest Trail Runs
MEC 5 Peaks Trail Series - Albion
Run for the Toad
Vulture Bait Trail Race
The Moose Ultra
Run Off the Grid Trail Run
The Limberlost Challenge
Sulphur Springs Trail Run
Muskoka Mud Run
Run for the Trails
MEC 5 Peaks Trail Series - Camp Fortune
Ganaraska Trail Runs
Chase the Coyote
The Phlox Run
GUSH Run or Hike for Water
Ragnar Trail Cottage Country-ON, Presented by Salomon
The North Face Endurance Challenge – Ontario
Hardwood Trail Running Series Race #1
Hardwood Trail Running Series Race #4
Phoenix Trail Races
Mad Dog Scramble
No Hassholes Left Behind
Conquer the Crater Ultra Marathon Trail Run
Middle Path Ultra and Trail Race
High Noon 24 Hour Trail Race & Relay
Rainbow Trail Run
The Lost Treasure Trail Race
Island Lake Classic
Trash Dash Fun Run/Walk
Runnin The Rocks - 10K/5K
Double Top 100
Race for Mother Earth at Arrendale Forest 5K/10K
Troop Trot 39K
Twisted Ankle Trail Marathon & Half Marathon
Tortoise and the Hare 50k/30K Ultra
Tortoise and the Hare Half Marathon/10K
Ragnar Trail Atlanta - GA, Presented by Salomon
Loop The Hooch 50K/25K
Monroe Dunbar Brook Trail Race
Houghton's Pond Trail Race
Wrentham Forest Challenge
The Wayland XC Festival
Bird Park Trail Race
Pirates Treasure Run
Ragnar Trail New England, Presented by Salomon
The North Face Endurance Challenge - Massachusetts
Cape Cod Trail Race
9th Annual DNRT Trail Race
Ozark Trail 100 Mile Endurance Run
The Sam Baker Ozarks Trail 1/2 Marathon & 10K
The POSTOAK Lodge Challenge
Lake Murray Endurance Run
Arbuckle 100
Chester Woods Trail Run
Moose Mountain Marathon
Half Voyager Trail Marathon
Frozen Feet Night
Frozen Feet Run
Wildwood Trail Trial
McKenzie River Trail Run
Timberline Marathon
McDonald Forest Trail Run 15K/5K
Forest Park Trail Run 10km, 20km & 50km
Siskiyou Out Back (S.O.B.) Trail Run
The Forest Park Marathon (and a half)
Under Armour Mountain Running Series - Mt Bachelor
West Virginia
West Virginia Trilogy
Valley Falls Trail Runs
Valley Falls Trail Runs - Runner Reports
Capon Valley 50K Run
Haulin' in the Holler
Charlie's Challenge Trail Run
Ragnar Trail Appalachians-WV, Presented by Salomon
2nd Annual Kingsford Allegheny Highlands Trail 20 Miler and Relay
Highball to Thurmond Ultra & Relay
New Jersey
Lost Brook Trail Race
The Rat Race
Thunder Run
Friend2Friend Hot Chili Challenge 8 Mile Trail Run
Friend2Friend Summer Solstice 5 mile trail run
Muddy Marathon with QM, HM option
Phillips 5K/10K Trail Run/Walk
Phillips 5k/10k Trail Run
Run For Scouting
Ragnar Trail Wawayanda Lake, Presented by Salomon, in association with New York Road Runners
Frosty Fat Sass
The Last Squatch Standing
Uyghur Endurance Challenge
Run for the Woods
TRANSCEND Trail Run - Way Over Yonder Series #3
South Dakota
Deadwood Mickelson Trail Marathon
Fat Tire Trail Challenge - Black Hills Trail Series
Dino Trail Run - Black Hills Trail Series
Black Hills Trail Series - Mystic Mountain Trail Run
Alkali Creek Trail Race
Black Hills 100
Wyoming Marathon Races
Happy Jack Endurance Races
Teton Pass Kicker
Sundance Trail Run - Black Hills Trail Series
Meeteetse Absaroka Challenge Mountain Run
Grand Teton Races
Pilot Hill 25K Classic
Bighorn Mountain Wild and Scenic Trail Runs
Bighorn Trail 100
Rendezvous Mountain Hillclimb
Sandstone Shuffle and Tomato Hustle
Out of the Darkness & Into the Bighorns
Wolf Creek Wrangle Trail Run
Skunk Hollow Sneaker Chase
Med Bow Rail Marathon and Half Marathon
Midnight on the Mesa
NipMuck Trail Marathon
Gail's Trail Run
IronHike Endurance Series - Spring - Mohawk Mountain, CT - USA
IronHike Endurance Series - Fall - Mohawk Mountain, CT - USA
South Carolina
Camp Croft Half Marathon
Francis Marion Dirt Dash
River Otter 10k Trail Relay
Eagle Endurance Last Chance 50K Run and Relay
Mill Stone 50K
Ragnar Trail Carolinas-SC, Presented by Salomon
True to the Brew 13.1
True to the Brew 10k
Louisiana Trails Marathon
Hell's Hills 10K
Wild Azalea Trail Challenge
Full mOOn 50K
Ouachita Trail 50 Mile and 50K
Sylamore Trail 25K / 50K
Arkansas Traveller 100
Village Creek 10k/25k Trail Run
Eureka Springs Trail 1/2 Marathon & 10K
Siberian Express Trail Run
Evergreen Lake Ultra and Ultra and a Half
Earth Day 50K & 15M
Fall Classic Trail Run
Wild Wild Wilderness Trail Run
Lake Mingo Trail Run
Frozen Gnome 50K/10K Trail Races
Des Plaines River Trail Races
Quarry Crusher Run-Chicago
Wild Awakening
New York
ADK 80k Trail Run
Hairy Gorilla Half Marathon & Squirrelly Six Mile
Hairy Gorilla Half Marathon & Squirrelly Six Mile - Runner Reports
Annual Ridgewalk and Run
Out of Bounds Trail Half Marathon & 10K
Green Lakes Endurance Runs
Montezuma Aqueduct 5K Race/Walk
Manitou's Revenge Ultramarathon and Relay
The Beast of Burden Summer 100
Sehgahunda Trail Marathon & Relay
Finger Lakes Fifties Trail Run
Winterfest Snowshoe Race
Long Island Greenbelt Trail 50K and 25K Runs
VCTC Summer X-C Series 1
Frozen Assets 5K Snowshoe Race
Run The Farm
Leatherman's Loop
Twisted Branch Trail Race
Raven Rocks Run
Cat's Tail Trail Marathon
The Battle at Bristol Mountain, Day 1
The Battle at Bristol Mountain, Day 2
The Battle at Bristol Mountain, Day 3
The North Face Endurance Challenge – New York
Grafton 15k
Frost Town Trail Fest
Death by Staircase Trail Running Festival
THP Trail Fest (50K,25K,10K & 5K)
Nature Run For Cancer
Beer Mountain Challenge at Upward Brewing
Viking Trail Run At Sunny Hill
British Columbia
Autumn Rush 14k, 23k, 42k
Knee Knackering North Shore Trail Run
Iron Lung
Loop the Lakes
Heiko's Hellish Half
Pure Satisfaction
Mike and Melissa's Fun Run
Go Home Via The Hanes Valley
Hallow's Eve Trail Half Marathon and 10K
Anne's Get Your Fat Ass Off The Couch Run
MEC 5 Peaks Trail Series: Buntzen Lake
Vancouver Skyline XTC
Spring Mountain Highway Madness
Capilano Canyon Night Run - Mardi Gras
Squamish Scrambler Snowshoe Run
Burnaby Mountain Run
The Vancouver 100
Scorched Sole Ultra
Vancouver New Year's Day Fat Ass 50
Nanaimo Ultramarathon
The North Face Dirty Feet Mountain 50km & Relay
The North Face Dirty Feet Trail Run #2
Mount Robson Marathon
MEC Race Five: The Creepy Creek 5km, 10km, 16km Trail Race
The Cumby
Sunshine Coast Marathon Shuffle
MEC Vancouver: Trail Race FOUR, Rose Park 5K/10K
MEC Vancouver: Trail Race SIX, Belcarra 5K/10K
Run Comfy Numb
Morice Mountain Challenge
Freaky Creeky
Seek the Peak
Walk in the Park 14k-25k-50k
Tenderfoot Boogie
Candle Creek Half Marathon
Selkirk Slacker 12hr Ultra Trail Run and Relay
Kremmling Roadkill Run
Sombrero Ranch Roundup
Golden Leaf Half Marathon
Boulder Backroads Marathon & Half Marathon
Frisco Fall Trail Running Festival
Frisco Fall Trail Running Festival - Runner Reports
Pikes Peak Ascent
Creede Mountain Runs
10,000 Meters at 10,000 Feet Run
American Discovery Trail Marathon, Half Marathon & 5K
Aspen Backcountry Marathon
Tecnica "Catch Me if You Can" Challenge
Greenland Trail 50K, 25K, 8M
Breck Crest
The Mountain Ultra
Run For Aurora 50K and 50 Mile
Grin and Bear It Trail Run
North Fork 50
The Sage Burner
Devil Mountain
Lead King Loop
Lead King Loop - Runner Reports
Sky Mesa Pass Trail Marathon
Desert R.A.T.S. 10K/13.1 Mile
Desert R.A.T.S. 5/10 Mile - Runner Reports
Leadville Trail 100 Training Camp
Leadville Silver Rush 50 Trail Run
Leadville Trail10k Run
Leadville Trail Marathon
Turkey Track Trail Marathon (& half)
Mountain Chile Cha Cha
Vail Victory Trail Marathon
Leadville Trail 100
24 Hours of Boulder...the Run
Desert R.A.T.S. Marathon/50K
NIKE Summit Trail Running Series #5 - Bakers Tank
Beaver Creek Snowshoe Series Race #1
Beaver Creek Snowshoe Series Race #2
Beaver Creek Snowshoe Series Race #3
Hardrock 100 Endurance Run
San Juan Solstice 50
Turquoise Lake Half Marathon
Turquoise Lake Half Marathon - Runner Reports
Hardscrabble Mountain Trail Run
Hardscrabble Mountain Trail Run - Runner Reports
Golden Beaver Trail Half Marathon
The Beer Relay
XTERRA Marathon Of Trail Races
Summit Trail Running Series Race #6
Breckenridge Hunky Dory Half Marathon
SAGE Spring Run-Off Trail Race
Boulder Mountain Marathon and 10-mile Ascent
XTERRA Trail Run Castle Rock
Living Journeys Half Marathon
Grand Traverse Mountain Run
Leadville Trail Heavy Half Marathon
Ragnar Trail Snowmass, Presented by Salomon
Run Rabbit Run
Rocky Mountain Brew runs: trails, views and brews
Part to Art Race
Fear the Deer trail 1/2 marathon
Powder and Porters Winter Trail Run
Under Armour Mountain Running Series - Copper
Breckenridge Falling Leaves 7K Trail Run
Rocky Mountain trail and ultra running camp
The Dam Run at Castlewood Canyon
Cheyenne Mountain Ultra 10x5k
Beulah Challenge Trail Half Marathon
Moonshadow Half Marathon and 10k
John Wayne Grit Series True Grit Anniversary 10K
Imogene Pass Trail Run
Honey Stinger Emerald Mountain Epic
Trail Apples 4, 8, or 12 miles
Collegiate Peaks Trail Run
Old Man Winter Rally
Desert RATS Trail Running Festival
Fruita Trail Half
Golden Gate Dirty 30
Silverton Ultra Dirty
Quad Rock 50/25mi
Never Summer 100k/60k
Black Squirrel Half Marathon
Blue Sky Trail Marathon
Lory Summer Trail Series
Staunton Rocks! Marathon & Half
Summit Trail Running Series Race #3
Summit Trail Running Series Race #1
Summit Trail Running Series Race #4
Summit Trail Running Series Race #5
Summit Trail Running Series Race #6
Breckenridge Independence Day 10K Trail Run
Summit Trail Running Series #2
Kokopelli Classic
Wildcat Mountain Trail Races - 10K/10M
Backcountry Wilderness Half Marathon
The bRUNch Trail Run
Desert RATS Trail Running Festival
Mountain RATS
Rattler Trail Race
Pikes Peak Ultra
Valkyrie Trail Race
Mueller Marathon
High Drive Challenge
Crested Butte Ultra
Bobcat Trail Race
Kessel Run Ultra
Colorado Trailfest
Cart to Cart Trail Race
Old Man Winter Bike Rally and Run
24 Hours of Palmer Lake
West Line Winder
Sawatch Ascent
New Castle Dirty Dozen Trail 10K
Dynafit Boneyard Boogie 13k & 5k
Dynafit Summer Solstice Trail Run
Dynafit Vail HillClimb
Dynafit 5k &10k at 10,000 Feet
Dynafit Berry Picker Trail Run
Dynafit Arrowhead Half Marathon & 5k
Dynafit Meadowgold 5k & 10k
Crazy Legs 10k Trail Run
Royal Gorge Groove Trail Runs
Fox on the Run Trail Races
Turkey Springs Showdown Trail Races
Alberta Peak Challenge
The Bear 100
Moscow Mountain Madness
Run For the Kids 5k/10k Trail Run
Tyler Arboretum 10K Trail Run
Labor Pain - 12 Hour Endurance Trail Run
Hike for Habitat
Oil Creek 100 Trail Runs
Griffins 5K Run
The Ironmaster's Challenge
Lou's Grand Slam 5K
Sinnemahone Ultra Marathon Trail Run
The Great Pumpkin 8K Trail Race
Cushion Peak Trail Run Challenge
Pine Creek Challenge
Iron Run Half Marathon
Bald Eagle Mountain Megatransect
Mt Penn Mudfest
Tussey Mountainback Ultramarathon and Relay
Tussey Mountainback - Runner Reports
Strip Mine Nine
Laurel Highlands Ultra 70.5M
Baker Trail UltraChallenge
Pittsburgh Wild Half
Black Diamond Running Series: Top of the Mountain 10K
Kimberton Waldorf School 5K/10K Trail Run
ChesLen Chase for Open Space
Lost Turkey Trail Race
Marilla Trail Race
Stateline Loop 5K/10K Trail Race for Conservation
Camp Susque 5K Trail Run
Delaware Dash 4 Mile Trail Run
Keystone Trails Association Trail Challenge
Run For The Ages
PipeLine 13 & 26 Mile Trail Run
Eagleton Trail Challenge
Special 13 and 26 mile Trail Run
Welsh Mtn Trail Run
Road, Forest, Creek 13 miler & 10k
4,8,12 mile Trail Run under Power Lines
14 mile Valley Trail Run
Looney Leprechaun Trail Race
Forest Quarry 15k/30k Trail Run & Hike
Tower to Town 10-Miler
The Dam Dark Run
FAAP Fall Classic 20k, 10k, 5k
Wolf Moon 15K
Brayden's Trail Of Strength
Brayden's Benefit 5k
Salt Springs Field, Forest & Falls Trail Race
Ridley Creek State Park 25k
Crystal Lake Ski and Outdoor Center 8th Annual Trail Race
Hairy-Halfway Hike or Hustle
Hinte-Anderson Trail (HAT) Run
Hinte Anderson (HAT) - Runner Reports
Trail Run for Healthier Babies
Marsh Madness
River Valley Run 10k Trail Run
Fairhill Phunt 50K
Maryland K9 5K
EX2 Adventures Rosaryville Off-Road Half Marathon & 10K
EX2 Adventures Blue Crab Bolt 5K/10K Trail Running Series-Race #1
EX2 Adventures Blue Crab Bolt 5K/10K Trail Runnning Series-Race #2
EX2 Adventures Blue Crab Bolt 5K/10K Trail Runnning Series-Race #3
EX2 Rendezvous Run and Ride - Fall
EX2 Rendezvous Run and Ride - Spring
EX2 Adventures Schaeffer Half Marathon and 10K Trail Running Race
Vermont 50 Ultra Run and Mt Bike
Under Armour Mountain Running Series - Killington
Ragnar Trail- Vermont
Long Trail 100
Westmore Mountain Challenge
Pacifica Foothills Trail Run
Folsom Point Spring Trail Runs
SLO Mountain Run 5K & 10K
Rancho Runs
Dirt Devil Racing Series Sidewinder 10K
Dirt Devils Racing Series Painted Rocks Half Marathon
Santa Cruz Island Eco-Extreme Trail Half Marathon
Lagoon Valley Trail Run
China Camp Trail Run
Big Trees Trail Run
Folsom Lake Trail Run
Knickerbocker Canyon Trail Run
Woodside Ramble
Griffith Park Trail Half Marathon
Leona Valley Trail Races
Mercury Mine 7K, 12K, and 18K Trail Run
Coyote Lake 5K, 10K, 15K Trail Run
Dirt Devils Wildhorse Trail Half Marathon and 5K Fun Run
Bandit Ultra Trail Run
Dirt Devil Racing Series Raptor Ridge Half Marathon
Dirt Devil Racing Series Stairway to Heaven 15K
McNally's Trail Burger Run and Walk
Xterra Marin Headlands Trail Run
Napa Valley Half marathon
Diablo Trails Challenge
Squaw Valley Mountain Run
The Northstar at Tahoe Nirvana Mountain Trail Run
Run the River Marathon & Ultramarathon
Dirt Devil Racing Series Coyote 5K
Nitro Turkey Thanksgiving Run 5K, 10K, Little Turkeys Race
Brazen New Year's Day Half Marathon/10K/5K
Summit Rock Half Marathon/10K/5K
Ayala Cove Trail Run (5mi, 10mi, 15mi)
Bizz Johnson Trail Marathon (Express Half Marathon, 10 Km, Half Marathon & Marathon)
Cinderella Trail Run (5 Mile, Half Marathon, 30K, Marathon, 50K)
San Lorenzo River Trail Run (10 Km, Half Marathon, 30 Km, Marathon, 50 Km)
DRTE 100 Mile/100K
Sunrise over Sonoma Trail Run
Cinderella Trail Run (5 Mile, Half Marathon, 30K, Marathon, 50K)
Quicksilver Challenge
Run by the Sea
Diablo Trail Adventure Half Marathon/10K/5K/Family Hike
Drag-N-Fly Half Marathon/10K/5K
Trail Hog Half Marathon/10K/5K
Into the Wild HPN Trail Running Championship 12k/20k
Into the Wild Rockin' Summer Run 8k #3
Brazen New Year's Eve Half Marathon/10K/5K
Cougar Half Marathon Trail Run
Foxy Half Marathon Trail Run
Wildhorse Half Marathon Trail Run
Lost Sierra 50k Endurance Run
Into the Wild Rockin' Summer Run 8k #1
Into the Wildlands Limestone Eco Challenge 12k/20k
Into the Wild Rockin' Summer Run 8k #2
Twilight's Last Gleaming Cross Country Challenge
Gettin Hitched Valentines 5K
Coyote 5K Trail Run
Quarry Turkey Thanksgiving Half Marathon/10K/5K & Little Turkeys Race
Dirty Invitational Marathon
Raptor Ridge Half Marathon Trail Run
Stairway to Heaven 15K Trail Run
Sidewinder 10K Trail Run
ITR Marin Ultra Challenge
Spring Salmon Run
XTERRA Malibu Creek Trail Challenge Scramble
Diablo Trails Challenge 50K/Half Marathon/10K/5K
Muir Woods Marathon, 25K & 7 Mile
Holcomb Valley 33/15 Mile Trail Run
Mt Wilson Trail Race
Carmel Valley Trail Run
Death Valley Trail Marathon & 30K
Calico Trail Run
Western States Endurance Run
Dick Collins Firetrails 50
Sierra Nevada Endurance Runs 12K/Marathon
Woodside Kings Mountain Half Marathon & 5 Mile
Golden Gate Headlands
Pirates Cove Trail Run
Napa Valley Trail Marathon, Half Marathon & 10K
Romancing the Island
Romancing the Island - Runner Reports
Catalina Marathon
Way Too Cool 50K
Marin Trail 10K & 20K
OTHTC High Desert 50 km Ultra & 30km
The Napa Valley Stomp 1/2 marathon, 10k and 5k Trail Run
Santa Monica Mountains Trail Run
Stinson Beach Trail Run
Stinson Beach Marathon
Napa Valley Wine Country Marathon, Half Marathon & 10K
Napa Valley Wine Country Marathon, Half Marathon & 10K - Runner Reports
Whiskeytown Trail Runs
XTERRA Topanga Turkey Trot
The Kirkwood Klimb Mountain Trail Run
Mount Tamalpais 10k Trail Run
The East Bay Enchantment
Quad Dipsea
Twin Peaks Ultra 50/50
Rodeo Beach Trail Run
Muir Beach Trail Run
Hark the Herald Angels Run 12K & 25K
San Diego 100 Mile Endurance Run
Santa Cruz Mountains Trail Runs
Angel Island Trail Runs
Double Dipsea (Walt Stack DSE Double Dipsea)
Big Sur Trail Marathon, Half Marathon & 5 Mile
Big Sur Trail Marathon, Half Marathon & 5 Mile - Runner Reports
Angeles Crest 100-Mile Endurance Run
Redwood Park Trail Run
Golden Gate Headlands 50K
Bulldog 50K Ultra / 25K Trail Run
Big Basin Redwoods Trail Run
Woodminster Cross Country Race
Ring the Bell Trail Run
Coyote Hills Half Marathon/10K/5K
Bay Breeze Half Marathon/10K/5K
Hellyer Half Marathon/10K/5K
Badger Cove Half Marathon/10K/5K
Brazen Goonies Half Marathon/10K/5K
Western Pacific Marathon/Half Marathon/10K/5K
Wildcat Half Marathon/10K/5K
Nitro Trail Half Marathon/10K/5K
Trail Quake Half Marathon/10K/5K
Dirty Dozen & Half Dozen 12 & 6 Hr Endurance Run w/ Dirty 10K/5K
Bad Bass Half Marathon/10K/5K
Summer Breeze Half Marathon/10K/5K
Bear Creek Half Marathon/10K/5K
Woodside Trail Run
Montana de Oro Trail Runs
Mount Diablo Trail Run (Summer)
Skyline to the Sea
Headlands Marathon, 50, 75 & 100 Mile Endurance Run
Armstrong Redwoods/Austin Creek Trail Run
Salt Point Trail Run
Night Sweats Trail Run
Pacifica Trail Run
Brazen Rocky Ridge Half Marathon Championship/10K/5K
Tahoe XC's Fall into Winter Trail Runs
Tahoe 200 Mile Endurance Run
Griffith Park Trail Marathon
Race Thru The Redwoods
Ragnar Trail Vail Lake
Pasadena 5k/10k
Ultra SLO Trail Series: Santa Margarita
Sac River Trail Races
Elfin Forest Keepin' It Rural 5K/10K Trail run/hike
Diamond S Ranch 25k-50k "FREE RACE"
Clikapudi Trail Runs
Quarry Lakes Family 5K and 10K
Hood Mountain Vertical Challenge
Trail Less Traveled 5K and Quarter Marathon & ~14-Mile Trail Runs
Love on the Rocks 5K & 10K Team Challenge
Heart of Cool Trail Run
Island View Trail race
No Name 5030
Coyote Backbone Trail Ultra
Paradise Trail Runs
The Bluffs 5K & 12K at San Onofre
Calistoga Trail Ramble
Ancient Redwood Running Festival
Skyline 50K Endurance Run
Sonoma Ultra 50K and Half Marathon
Ramblas Run
Black Mountain 50k
Soboba Trail Race
Ragnar Trail Tahoe-CA, Presented by Salomon
Ragnar Trail Los Coyotes-CA, Presented by Salomon
11,053' Summer Ezakimak Challenge
Whoos in el moro trail races
Bay Ridge Endurance Runs
Leoni Meadows Trail Race Series
The Lone Coyote 8 Mile Dash
Ahmanson 6/12K Trails
Cirque Du Griffith 6/12 hour
Valley Crest Half Marathon & 10k
Bulldog 50K Ultra & 25K Trail Runs
Rocky Peak Ultra Trail Race
Angwin to Angwish - Napa Valley Trail Run
Napa Valley 50K
The North Face Endurance Challenge
Sasquatch Trail 5k and Kids Race
Wildflower 10.7 Mile Trail Run
Mother's Day Weekend Meso Run
Quicksilver 100K and 50K
John Wayne Grit Series – Pioneertown, CA Half Marathon & 10k
John Wayne Grit Series – Lone Pine Half Marathon & 10K, Lone Pine, CA
Mt. Umunhum Trail Conquest
Folsom Lake Sweetwater Trail Run
Sanborn Trail Challenge
Folsom Lake Southside Trail Run
South Hills Single Track Trail Run
Folsom Lake Falcon Crest Trail Run
Santa Teresa King Richard Annual Trail Run
California Gold Rush Trail Run
Sierra Azul Trail Challenge
Hacienda Hills Run
Sly Park Lake Trail Run
Placerville Path Memorial Day Run
Calero Trail Run
Mt. Umunhum Ultras
Rancho Hills Trail Run
Kirkwood Thunder Mountain Trail Challenge
Kirkwood's Ultras
Sly Park Lake Trail Run - Summer
Almaden Hills Trail Run - Summer
South Hills Single Track Trail Run - Fall
Rancho Canada del Oro Trail Challenge
California Gold Rush Trail Run - Fall
Almaden Hills Trail Run - Fall
Sly Park Lake Trail Run - Fall
Calero Trail Run - Winter
Placerville's Holiday Jingle & Mingle Run
Hacienda Hills Trail Run - Winter
John Wayne Grit Series Newport Coast 25K & 5K
Mississippi Bar Trail Run
Big Sur Land Trust's Race for Open Space
Big Sur Land Trust's Race for Open Space Adventure Course
Horsethief Canyon Half Marathon
Giddy Up 5k
Mt. Baldy Run-to-the-Top
Annadel Half Marathon
Tesoro Viejo Spring Classic Half Marathon
Mount Vernon Trail Race 6
Hellgate 100K
Fall Backyard Burn Trail Run #4
Bel Monte Endurance Run
Terrapin Mountain 50K & 1/2 Marathon
Trail Trial 10k
Mount Vernon Trail Race 5
Mount Vernon Trail Race 4
Green Legs and Hamstrings
The Thunderin 5k & 10k
Mountain Mayhem
The Instant Classic Marathon Trail Run
Seashore Nature Trail 50K
Swinging Bridge 35K & 50K
Mud in Your Eye XC Series 1
Bear Creek 10-Mile Trail Run
Iron Mountain Trail Run
Massanutten Mountain Trails 100 Mile Run
Heritage Trail 10K
Mud in Your Eye XC Series 2
Mud in Your Eye XC Series 3
Hippity Hop Trail Trot 5K and Cottontail 1-Mile Fun Run
Ex2 Adventures Fall Backyard Burn 5M/10M Trail Running Series-Race #6
EX2 Adventures Off-Road Half Marathon and 10K
Spring Fever 5k Trail Race
Spring Backyard Burn 5M/10M Trail Running Series-Race #1
Spring Backyard Burn 5M/10M Trail Running Series-Race #2
Spring Backyard Burn 5M/10M Trail Running Series-Race #3
Spring Backyard Burn 5M/10M Trail Running Series-Race #4
EX2 Adventures Reservoir Relay Trail Run
EX2 Adventures Fountainhead Off-Road Half Marathon & 10K
EX2 Adventures Hemlock Half Marathon and 10K
EX2 Adventures Fall Backyard BurnTrail Running Series-Race #1
EX2 Adventures Fall Backyard BurnTrail Running Series-Race #2
EX2 Adventures Fall Backyard Burn 5M/10M Trail Running Series-Race #3
Ex2 Adventures Fall Backyard Burn 5M/10M Trail Running Series-Race #4
Fall Backyard Burn 5M/10M Trail Running Series-Race #5
Press Forward 5K Trail Run
Nasty 9 Trail Run
Ragnar Trail Richmond- VA, Presented by Salomon
Ragnar Trail Richmond- VA, Presented by Salomon - Runner Reports
Belmead Trail 10k & 20k
Odyssey Trail Running Rampage
Arbor Day 15k
3H Trail Half Marathon
Wicked Bottom Cross Country 5K, 10K & 1/2 mile Fun Run
Dahlgren Heritage Rail Trail
Green Monster
Run the Rock | Greene
Run the Rock | Rockville
Stallions Stampede Fun Run / Walk
Texas Dare
Stay Fit Trail Run
Rocky Raccoon 100
Cactus Rose 100mi & 50mi
Love. Run. Marathon
Muddy Trails Bash
Durty Spur Trail Run
Trails of Hope
KEEP On TRUCKIN' Trail Races
Brazos Bend Gator Run
Cross Timbers Trail Run
Prickly Pear
Prickly Pear - Runner Reports
Toughest N' Texas
Spectrum Trail Racing @ Flat Rock Ranch
Spectrum Trail Racing @ McKinney Roughs
Spectrum Trail Racing @ Muleshoe bend
Spectrum Trail 12 hour relay or 30K
Horseshoe Trail Run
Ragnar Trail Hill Country-TX, Presented by Salomon
Blazing 7s Trail Run
Habanero Hundred
Next Generation Trail Races
Wildflower Half
Night Moves Trail Races
San Felipe Shootout
Crazy Desert Trail Race
Lone Star 100
Night Moves
Brazos Bend 50
Next Generation
Franklin Mountains Trail Run
Mission Tejas Trail Run
Rockledge Rumble Trail Run
Isle du Bois Trail Race
Knob Hills Trail Race
Grasslands Trail Run
Dare to Ascend Trail Run
Six-O Trail Run
Blazin' Summer Sufferfest
Bridgeport Trail Run
Dana Peak Trail Run
Paris Pair
Isle Du Bois Trail Run
The Backland
Brazos Bend 100
Jackalope Jam
Happy Trails Ranch Park
Running the Rose
Frio Trail Runs
Saint Nick's Run Fest
West Texas Ultra
Chupacabra 50
East Texas Ultra
Fire Trail Running Festival
Ramble In The Brambles
Grace Creek Grinder
Natural Bridge Caverns Trail Run
Longview Trail Runs - Spring
Longview Trail Runs - Summer
Longview Trail Runs - Fall
Lone Star Night Run
Bear Country Night Trek
Desert Wolf
Big Texas Ultra
South Texas Ultra
North Texas Ultra
River, Roots & Ruts Trail Run & Relay
John Holmes 50K
X-Country Trail Marathon, 1/2 Marathon & 5K
Destin 50 Beach Ultra
Flying Eagle Adventure Series
Flying Eagle Adventure Series
Florida Challenge Trail Runs
Flatwoods Ramble
Jacks 25k/50k Trail Race
Dances with Dirt Green Swamp
Ragnar Trail Alafia River-FL, Presented by Salomon
Friends of Seminole State Forest Run for the Woods
Best Damn Race Trail Starkey Park
Dunes 50K & Heavy Half Marathon
Silver Springs Half Marathon & 5k
Bridle Trails Winter Trail Running Festival
Plain 100 Mile Endurance Run
Sunflower Relay and Iron Event
Spring Run for Fun at Redmond Watershed
Soaring Eagle Trail Run
Capitol Peak Mega Fat Ass
Watershed Preserve 12-Hour Trail Race
Rainier-to-Ruston Rail-Trail Relay
Cougar Mountain Trail Run Series: #2
Festival 542/RUN 542
Fragrance Lake Half and 10K
Stewart Mountain Half Marathon
Orcas Island Marathon and Trail Festival
Chuckanut Mountain Marathon and Half
Deception Pass Marathon and Half
Bellingham Trail Marathon and Half
Cle Elum Ridge 25/50K
Bigfoot 200
Wild Woman Marathon
Dancer Dash 5k
Ragnar Trail Rainier-WA, Presented by Salomon
Whistler Canyon Trail 50 Mile & 10 Mile
Leavenworth Trail Fest
North Bend Trail Fest
Mt Si Vert Fest
H.U.R.T. 100
Maui Surf & Sand Half Marathon
Land Between the Lakes Ultra Trail Runs
Louisville's Lovin' The Hills 50K and 15 miler
Cloudsplitter 100
Ragnar Trail Kentuckiana-KY, Presented by Salomon
The Kentucky General Butler Trail 1/2 Marathon, 10 & 5K
Prairie Spirit 50/100 mile
Flatrock 101K
Flatrock 50/25K
Psycho Psummer Run Toto Run
Free State Trail Run
Psycho Wyco Run Toto Run
Rockin K Trail Run
Rockin K Trail Run - Runner Reports
Hell Creek on Heels 50k
Run For the Rescue
Santa Fe Jornado
Pemberton Trail 50K
Summer Trail Series
Cactus ChaCha Trail Runs
Gaspin' in the Aspen Trail Run
Ragnar Trail McDowell Mountain-AZ, Presented by Salomon
AZT Oracle Rumble
Pine Trail Run
New Hampshire
Sidehiller 4 Mile Snowshoe Race
Exeter Trail Race
Jack London Trail Race
The Kismet Cliff Run
Dirty Girl Trail Race
Moose Mountains Trail Race
Spaulding Woods 50K
Pisgah Mountain Trail Races
North Country Trail Run
The Lake Superior Shoreline Trail Half Marathon
Grand Island Trail Marathon and 10K
Kettunen Center 5K Trail Run/Walk
Top of Michigan 100k
Cowboy Trail Run
Marquette Trail 50
Wesley Woods Annual 5K Fun Run/Walk
River Trail Half Marathon
Dances with Dirt Ultra
Grand River Run
Moonlight Bootlegger 5k - Ionia
North Country Trail Relay
13th Annual Brainy Day 5K & 10K Trail Run
Rockfit Fall Trail Race
Fruitland 5k
Sandhill Crane All Trail Half Marathon, 10k, 5k
Trails To Hope Turkey Trot
Winter Trail Fest (WTF) 13.1 & 5 Mile Eastside
Winter Trail Fest (WTF) 13.1 and 5 Mile Westside
Carpe Diem - Carpe Noctem Half Marathon & 10k
Moonlight Bootlegger 5k
Summer Trail Fest Ultra and Half Marathon
Black Toenail Friday Half Marathon & 7.5 Mile
Taylorsville 8 & 16 Mile Trail Runs
Stone Steps 50K Trail Race
John Bryan 50K
Germantown 50K
Fool's 50K and 25K Trail Run
Nu-Race Trail Run
Bigfoot 50K Trail Run
Canalway Classic 5K
Barkcamp 10K Trail Run
Youngstown Ultra Trail Classic
Another Dam 50K
Dandelion Run
Buzzard Day Trail Race 25/50/100K
OWBC Redbud Trail Challenge
Olde Girdled Grit 50K
The Mohican Trail 100 Mile Run
Sniff & Sip 5K
Fuzzy Fandango
Horseshoe Hill Climb 5K/10K/20K/30K
Frozen Chosin
PEARLS in Haiti 5K 10K Fun Run
The Battle of Turtle Creek
Cabin Fever Trail Race
The East Fork Trail 1/2 Marathon, 10 & 5K
The Shawnee Trail 1/2 Marathon, 10 & 5K
Strouds Run Trail 1/2 Marathon, 10 & 5K
Ceasar Creek Trail 1/2 Marathon, 10 & 5K
Miami Whitewater Trail 1/2 Marathon, 10 & 5K
Hueston Woods Trail 1/2 Marathon, 10 & 5K
War-X Blackout 5K Night Run
Big Darby Creek Trail Scramble
Queen City Trail Scramble 5K, 12K, 25K & 50K
Red Moon Trail Runs - 7K, 12K, 20K & 25K
Last Buckeye Standing Backyard Ultra
Smoke Rise Trail Runs - Full, Half Marathons, 5 Miler
Broken Rock 50K, 25K & 11K Trail Runs
Stone House Trail Runs - 10M, 25K & 50K
Hocking Hills Trail Run
Moose Mountain Trail Races
Canmore Challenge Trail Races
Eddies Big Run
Run in the Rockies
Chilly Hilly Stage Race
Planet Adventure Winter Night Trail Marathon
Heritage Trail Marathon
Take-a-Hike 5K Trail Run and Family Walk
Indian/Celina Challenge
Winona Lake Trail Ultra Full/Half/Quarter&50K
Eagle Creek Trail Full/Half/Quarter Marathon
Foot Pursuit 5K
Indiana Trail 100
Viking Winter Dash Indiana
Viking Dash: Indiana
The Hoosier Trail 1/2 Marathon, 10 & 5K
False Spring Trail Runs
Trail Golf Endurance Challenge
Trail Run Xtreme
MoMoFo100k and 20 mile Fun Run
Tryon Farm 8 Miler/25k/50k
Tombstone 30k/50k Trail Run
Black Warrior 50K
Mount Cheaha 50K
Tashka 50K/25K Trail Race
North Carolina
Little River Trail Run
Continental Divide Trail Race
XTERRA North Carolina "US National Whitewater Center" 3.6 or 7.6 Mile Trail Run
OBX Ultramarathon
Mount Mitchell Challenge and Black Mountain Marathon
OVT Revolutionary Run
Medoc Trail Races
Purple Cloth 5K and Kid's Dash
Summer Splash 10K and 5K Trail Races
Run at the Rock
Triple Lakes Trail Race
Morrow Mountain Trail Race
Winter Splash 8 Miler and 5K
The Challenge of Devils Garden 12 Mile
Green River Games Big Hungry 10k
Green River Games Big Hungry Half Marathon
Black Mountain Monster 5K/6HR/12HR/24HR Ind. & Team Race/Fundraiser
The Beer Relay
The Naturalist 50K
Sappony 5K Trail Run and 1 Mile Fun Run
South of the Mountain Trail Run
Umstead Trail Marathon
Cradle to Grave 30k/10k
Clawhammer Mountain 50k
Lake James 7 Miler & 5k
Chasing Trail Ultras Endurance Races
Momentus Backyard Ultra
Northern Trails Marathon and 10 Mile
Pilot Mountain to Hanging Rock Ultramarathon
Owls Roost Rumble
Moonlight Bootlegger 5k
Triple Lakes Trail Race
Whiskey Tango Foxtrot Trail Half Marathon
Rise 'n Shine Running Festival
North Dakota
RunND Trail Run
Harmon Lake Trail Festival
Washington DC
The North Face Endurance Challenge – Washington DC
New Mexico
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Blister Free Running - For Ultra-marathons, Trail Running
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South Haven Trail Running
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Pints Pavement Pounders
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Run Grrrls Run Las Vegas
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Best Trail Running Shoes - Review, Compare
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