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Month | Race Name | Events | Location | Near | |
August | Cinderella Trail Run (5 Mile, Half Marathon, 30K, Marathon, 50K) | 50 km, 26.2 mi, 30 km, 13.1 mi, 5 mi | CA, United States | Oakland | |
August | Katcina Mosa 100K Mountain Run | 100 km | UT, United States | Provo | |
August | Baker Trail UltraChallenge | 50 mi | PA, United States | Pittsburgh | |
August | Leadville Trail 100 | 100 mi | CO, United States | Leadville | |
August | Pikes Peak Ascent | 13.3 mi | CO, United States | Manitou Springs | |
August | Bulldog 50K Ultra / 25K Trail Run | 50 km, 25 km | CA, United States | Calabasas | |
August | Golden Gate Headlands 50K | 50 km | CA, United States | Sausalito | |
August | Grand Teton Races | 100 mi, 50 mi, 26.2 mi | WY, United States | Alta | |
August | Meeteetse Absaroka Challenge Mountain Run | 15 km, 10 km, 5 km | WY, United States | Meeteetse | |
August | 10,000 Meters at 10,000 Feet Run | 10 km | CO, United States | Steamboat Springs | |
August | Angeles Crest 100-Mile Endurance Run | 100 mi | CA, United States | Wrightwood | |
August | BULLDOG 25K MALIBU CANYON | 25 km, 8 mi | CA, United States | Malibu | |
August | Jupiter Peak Steeplechase | 16 mi | UT, United States | Park City | |
August | The East Bay Enchantment | 10 mi, 10 km, 5 km | CA, United States | Castro Valley | |
August | Green Lakes Endurance Runs | 100 km, 50 km | NY, United States | Fayetteville | |
August | Go Home Via The Hanes Valley | 30 km, 22 km, 15 km | BC, Canada | North Vancouver | |
August | The Northstar at Tahoe Nirvana Mountain Trail Run | 10 km | CA, United States | Truckee | |
August | Squaw Valley Mountain Run | 3.6 mi | CA, United States | Truckee | |
August | Germantown 50K | 50 km | OH, United States | Dayton | |
August | Summer Trail Series | 6 mi | AZ, United States | Tucson | |
August | The Moose Ultra | 300 km | ON, Canada | Tobermory | |
August | Eagle Creek Trail Full/Half/Quarter Marathon | 26.2 mi, 13.1 mi | IN, United States | Indianapolis | |
August | Dirt Devil Racing Series Stairway to Heaven 15K | 15 km | CA, United States | San Diego | |
August | Leadville Trail10k Run | 10 km | CO, United States | Leadville | |
August | Continental Divide Trail Race | 10 km | NC, United States | Laurel Springs | |
August | River Valley Run 10k Trail Run | 10 km | MD, United States | Manchester | |
August | Mountain Chile Cha Cha | 15 mi, 7 mi, 5 km | CO, United States | Pagosa Springs | |
August | Aspen Backcountry Marathon | 26.2 mi | CO, United States | Aspen | |
August | Skyline Mountain Marathon and Half | 26.2 mi, 14.1 mi | UT, United States | Ogden | |
August | The Beast of Burden Summer 100 | 100 mi, 50 mi | NY, United States | Lockport | |
August | Heiko's Hellish Half | 25 km | BC, Canada | Fernie | |
August | Kettunen Center 5K Trail Run/Walk | 5 km | MI, United States | Cadillac | |
August | Into the Wild Rockin' Summer Run 8k #2 | 8 km | CA, United States | Orange | |
August | Into the Wild Rockin' Summer Run 8k #3 | 8 km | CA, United States | Orange | |
August | Into the Wild Rockin' Summer Run 8k #1 | 5 km | CA, United States | Orange | |
August | Marquette Trail 50 | 50 mi, 50 km | MI, United States | Marquette | |
August | Teton Pass Kicker | 13.1 mi | WY, United States | Wilson | |
August | Stairway to Heaven 15K Trail Run | 15 km | CA, United States | San Diego | |
August | The Mountain Ultra | 220 km | CO, United States | Crested Butte | |
August | Run by the Sea | 12 km | CA, United States | Santa Cruz | |
August | ADK 80k Trail Run | 80 km | NY, United States | Keene Valley | |
August | Canalway Classic 5K | 5 km | OH, United States | Canton | |
August | Summer Splash 10K and 5K Trail Races | 10 km, 5 km | NC, United States | Spruce Pine | |
August | Lou's Grand Slam 5K | 5 km | PA, United States | Lewisberry | |
August | Black Diamond Running Series: Top of the Mountain 10K | 10 km | PA, United States | Scranton | |
August | Summer Breeze Half Marathon/10K/5K | 13.1 mi, 10 km, 5 km | CA, United States | San Leandro | |
August | Montana de Oro Trail Runs | 50 km, 25 km, 12 km, 8 km | CA, United States | Los Osos | |
August | Bear Creek Half Marathon/10K/5K | 13.1 mi, 10 km, 5 km | CA, United States | Martinez | |
August | Salt Point Trail Run | 50 km, 26 km, 11 km | CA, United States | Jenner | |
August | Lost Turkey Trail Race | 26.2 mi | PA, United States | Claysburg / Blue Knob | |
August | Bigfoot 200 | 215 mi | WA, United States | Cougar Mountain | |
August | Twisted Branch Trail Race | 100 km | NY, United States | Canandaigua | |
August | Moonlight Bootlegger 5k - Ionia | 3.1 mi | MI, United States | Ionia | |
August | Race Thru The Redwoods | 6.2 mi, 1 mi | CA, United States | Felton | |
August | Summit Trail Running Series Race #6 | 11 km, 7 km | CO, United States | Breckenridge | |
August | Breckenridge Hunky Dory Half Marathon | 13.1 mi | CO, United States | Breckenridge | |
August | Discrete Peak Series - Snowbird | 8.9 mi | UT, United States | Snowbird | |
August | Delaware Dash 4 Mile Trail Run | 4 mi | PA, United States | Bangor | |
August | XTERRA Trail Run Castle Rock | 20 km | CO, United States | Castle Rock | |
August | Ragnar Trail Rainier-WA, Presented by Salomon | 120 mi | WA, United States | Crystal Mountain | |
August | Habanero Hundred | 100 mi, 100 km, 50 km | TX, United States | Smithville | |
August | Next Generation | 10 km, 5 km, 1 mi | TX, United States | Cat Spring | |
August | Skyline 50K Endurance Run | 50 km | CA, United States | Castro Valley | |
August | EX2 Adventures Blue Crab Bolt 5K/10K Trail Runnning Series-Race #3 | 10 km, 5 km | MD, United States | Clarksburg | |
August | 11,053' Summer Ezakimak Challenge | 5 km | CA, United States | Bishop | |
August | Rendezvous Mountain Hillclimb | 6.1 mi | WY, United States | Jackson | |
August | 4,8,12 mile Trail Run under Power Lines | 12 mi, 8 mi, 4 mi | PA, United States | Safe Harbor | |
August | Ragnar Trail Appalachians-WV, Presented by Salomon | 120 mi | WV, United States | Morgantown | |
August | Night Moves | 26.2 mi, 13.1 mi, 10 km, 5 km | TX, United States | Cat Spring | |
August | Hardwood Trail Running Series Race #4 | 10 km, 5 km, 1.5 km | ON, Canada | Barrie | |
August | Brayden's Trail Of Strength | 6.2 mi | PA, United States | Wellsboro | |
August | Bulldog 50K Ultra & 25K Trail Runs | 50 km, 25 km | CA, United States | Los Angeles | |
August | Under Armour Mountain Running Series - Killington | 50 km, 25 km, 10 km, 5 km | VT, United States | Pittsfield | |
August | Crazy Bob's Bair Gutsman | 11 mi | UT, United States | Fruit Heights | |
August | Silverton Ultra Dirty | 100 mi, 100 km, 60 km | CO, United States | Silverton | |
August | Ragnar Trail- Vermont | 14.8 mi | VT, United States | West Windsor | |
August | Long Trail 100 | 100 mi | VT, United States | Stowe | |
August | 13th Annual Brainy Day 5K & 10K Trail Run | 10 km, 5 km | MI, United States | Grand Haven | |
August | Kirkwood's Ultras | 100 km, 46 mi, 50 km | CA, United States | Kirkwood | |
August | Almaden Hills Trail Run - Summer | 50 km, 26.2 mi, 30 km, 13.1 mi, 8 mi, 10 km, 5 km | CA, United States | San Jose | |
August | Moonshadow Half Marathon and 10k | 13.1 mi, 10 km | CO, United States | Colorado Springs | |
August | Med Bow Rail Marathon and Half Marathon | 26.2 mi, 13.1 mi | WY, United States | Laramie | |
August | Middle Path Ultra and Trail Race | 52 km, 26 km | ON, Canada | Peterborough | |
August | Wildcat Mountain Trail Races - 10K/10M | 10 mi, 10 km | CO, United States | Littleton | |
August | Honey Stinger Emerald Mountain Epic | 26.2 mi | CO, United States | Steamboat Springs | |
August | Blazin' Summer Sufferfest | 54 km, 36 km, 18 km, 10 km, 5 km | TX, United States | Dallas/Fort Worth | |
August | Crystal Lake Ski and Outdoor Center 7th Annual Trail Race | 25 km, 5 km | PA, United States | Williamsport | |
August | Sly Park Lake Trail Run - Summer | 50 km, 26.2 mi, 18 mi, 13.1 mi, 8.5 mi, 10 km, 5 km | CA, United States | Pollock Pines | |
August | New Castle Dirty Dozen Trail 10K | 10 km | CO, United States | New Castle | |
August | Lory Summer Trail Series | 12 km, 10 km, 5 km, 5 km | CO, United States | Fort Collins | |
August | Staunton Rocks! Marathon & Half | 26.2 mi, 13.1 mi | CO, United States | Pine | |
August | Summit Trail Running Series Race #5 | 11 km, 7 km | CO, United States | Breckenridge | |
August | Summit Trail Running Series Race #6 | 14 km, 8 km | CO, United States | Breckenridge | |
August | Kokopelli Classic | 13.1 mi, 8 mi, 5 km, 0 mi | CO, United States | Fruita | |
August | Uyghur Endurance Challenge | 24 mi | NJ, United States | princeton | |
September | Heritage Trail 10K | 10 km | VA, United States | Palmyra | |
September | Sierra Nevada Endurance Runs 12K/Marathon | 26.2 mi, 12 km | CA, United States | Sacramento | |
September | Vermont 50 Ultra Run and Mt Bike | 50 mi, 50 km | VT, United States | Brownsville | |
September | Mid Mountain Marathon | 26.2 mi | UT, United States | Park City | |
September | Wasatch Front 100 Mile Endurance Run | 100 mi | UT, United States | Layton | |
September | The Bear 100 | 100 mi | ID, United States | Preston | |
September | Canmore Challenge Trail Races | 12 km, 6 km, 1 km | AB, Canada | Canmore | |
September | Iron Lung | 20 km, 10 km | BC, Canada | North Vancouver | |
September | Redwood Park Trail Run | 50 km, 30 km, 20 km, 10 km | CA, United States | Oakland | |
September | Creede Mountain Runs | 22 mi, 12 mi, 2 mi | CO, United States | Creede | |
September | American Discovery Trail Marathon, Half Marathon & 5K | 26.2 mi, 13.1 mi, 5 km | CO, United States | Colorado Springs | |
September | Wildwood Trail Trial | 10 km | OR, United States | Portland | |
September | Dances with Dirt Ultra | 50 mi, 50 km | MI, United States | Hell | |
September | Haliburton Forest Trail Runs | 100 mi, 50 mi, 50 km, 26 km | ON, Canada | Haliburton | |
September | McKenzie River Trail Run | 50 km | OR, United States | McKenzie Bridge | |
September | MEC 5 Peaks Trail Series - Albion | 21 km, 15 km, 6 km | ON, Canada | Albion Hills | |
September | The Lake Superior Shoreline Trail Half Marathon | 13.1 mi, 5 km | MI, United States | Marquette | |
September | Golden Leaf Half Marathon | 13.1 mi | CO, United States | Aspen | |
September | MEC 5 Peaks Trail Series: Buntzen Lake | 22 km, 12 km, 10 km | BC, Canada | Vancouver | |
September | Moose Mountain Marathon | 27 mi | MN, United States | Lutsen | |
September | Moose Mountain Trail Races | 29 km, 16 km | AB, Canada | Bragg Creek | |
September | Odyssey Trail Running Rampage | 40 mi, 26.2 mi, 13.1 mi, 6 mi | VA, United States | Lexington | |
September | Plain 100 Mile Endurance Run | 100 mi | WA, United States | Plain | |
September | River Trail Half Marathon | 13.1 mi | MI, United States | Lupton | |
September | Wrentham Forest Challenge | 20 km | MA, United States | Wrentham | |
September | Youngstown Ultra Trail Classic | 50 km, 25 km | OH, United States | Youngstown | |
September | Wolf Lake Trail Run | 3.8 mi | WI, United States | Burlington | |
September | Mount Helena Classic | 5.6 mi | MT, United States | Helena | |
September | North Country Trail Run | 50 mi, 26.2 mi | MI, United States | Manistee | |
September | Sombrero Ranch Roundup | 4.5 mi | CO, United States | Estes Park | |
September | Timberline Marathon | 26.2 mi | OR, United States | Mt. Hood | |
September | Boulder Backroads Marathon & Half Marathon | 26.2 mi, 13.1 mi | CO, United States | Boulder | |
September | Wild Wild Wilderness Trail Run | 7.5 mi | IL, United States | Danville | |
September | Sunrise over Sonoma Trail Run | 10 mi, 5 mi | CA, United States | Healdsburg | |
September | Frisco Fall Trail Running Festival | 12 mi, 6 mi | CO, United States | Frisco | |
September | Fall Classic Trail Run | 4 mi | IL, United States | Caledonia | |
September | The Napa Valley Stomp 1/2 marathon, 10k and 5k Trail Run | 13.1 mi, 10 km, 5 km | CA, United States | Napa | |
September | Labor Pain - 12 Hour Endurance Trail Run | 0 mi | PA, United States | Reading | |
September | Lead King Loop | 25 km, 12.5 km | CO, United States | Marble | |
September | Sundance Trail Run - Black Hills Trail Series | 10 km | WY, United States | Sundance | |
September | Hike for Habitat | 27 mi | PA, United States | Blain | |
September | Lagoon Valley Trail Run | 10 km, 5 km | CA, United States | Vacaville | |
September | Trails of Hope | 3 mi | TX, United States | Belton | |
September | Pine Creek Challenge | 100 mi | PA, United States | Wellsboro | |
September | Moscow Mountain Madness | 13.1 mi | ID, United States | Moscow | |
September | Run Off the Grid Trail Run | 2550 km | ON, Canada | mattawa | |
September | Leona Valley Trail Races | 26.2 mi, 13.1 mi, 10 km, 5 km | CA, United States | Lake Hughes | |
September | Francis Marion Dirt Dash | 13.1 mi, 7.5 mi, 3.4 mi | SC, United States | Awendaw | |
September | Festival 542/RUN 542 | 8.5 mi | WA, United States | Glacier | |
September | Bear 100 | 100 mi | UT, United States | Logan | |
September | The Kismet Cliff Run | 14 mi, 5 mi | NH, United States | North Conway | |
September | Breck Crest | 23 mi, 13.3 mi, 10 km | CO, United States | Breckenridge | |
September | Dirty Invitational Marathon | 26.2 mi | CA, United States | San Diego | |
September | Evergreen Lake Ultra and Ultra and a Half | 43 mi, 31 mi, 15.5 mi | IL, United States | Bloomington | |
September | Flatrock 50/25K | 50 km, 25 km | KS, United States | Independence | |
September | Mount Vernon Trail Race 4 | 5 km | VA, United States | Alexandria | |
September | Chase the Coyote | 14.4 km | ON, Canada | ||
September | Drag-N-Fly Half Marathon/10K/5K | 13.1 mi, 10 km, 5 km | CA, United States | Anticoh | |
September | Green River Games Big Hungry 10k | 10 km | NC, United States | Saluda | |
September | Vail Victory Trail Marathon | 26.2 mi | CO, United States | Vail | |
September | Autumn Rush 14k, 23k, 42k | 42 km, 23 km, 14.5 km | BC, Canada | Kelowna | |
September | Trail Hog Half Marathon/10K/5K | 13.1 mi, 10 km, 5 km | CA, United States | San Jose | |
September | Grand River Run | 8 km, 5 km, 1.5 mi | MI, United States | Grand Rapids | |
September | GOAT Run | 26.2 mi | WA, United States | Port Angeles | |
September | Green River Games Big Hungry Half Marathon | 13.1 mi | NC, United States | Saluda | |
September | Cle Elum Ridge 25/50K | 50 km, 25 mi | WA, United States | Cle Elum | |
September | Tahoe 200 Mile Endurance Run | 202 mi | CA, United States | Tahoe City | |
September | Headlands Marathon, 50, 75 & 100 Mile Endurance Run | 100 mi, 75 mi, 50 mi, 26.2 mi | CA, United States | Rodeo Beach | |
September | Night Sweats Trail Run | 26.2 mi, 15 km | CA, United States | Rodeo Beach | |
September | Spectrum Trail Racing @ Flat Rock Ranch | 26.2 mi, 13.1 mi | TX, United States | San Antonio | |
September | Tortoise and the Hare Half Marathon/10K | 13.3 mi | GA, United States | Pine Mountain | |
September | The North Face Dirty Feet Mountain 50km & Relay | 50 km | BC, Canada | Kamloops | |
September | Dancer Dash 5k | 5 km | WA, United States | Port Orchard | |
September | Mount Robson Marathon | 50 km, 21.5 km, 12 km, 5 km | BC, Canada | Valemount | |
September | Camp Susque 5K Trail Run | 5 km | PA, United States | Williamsport | |
September | Bobcat Trail Race | 50 km, 25 km, 10 km | CO, United States | Colorado Springs | |
September | Grand Traverse Mountain Run | 40 mi | CO, United States | Crested Butte | |
September | Island View Trail race | 10 mi, 4 mi | CA, United States | Santa Barbara | |
September | Keystone Trails Association Trail Challenge | 50 km, 25 km | PA, United States | Airville | |
September | Charlie's Challenge Trail Run | 50 km, 25 km, 5 km | WV, United States | Spencer | |
September | InStep Trail Races | 63 mi, 26.2 mi, 13.1 mi, 7 mi, 5 mi | WI, United States | Delafield | |
September | EX2 Adventures Fall Backyard BurnTrail Running Series-Race #1 | 10 mi, 5 mi | VA, United States | Lorton | |
September | Mission Tejas Trail Run | 50 km, 25 km, 10 km, 5 km | TX, United States | Crockett | |
September | Run Rabbit Run | 100 mi, 50 mi | CO, United States | Steamboat Springs | |
September | 2nd Annual Kingsford Allegheny Highlands Trail 20 Miler and Relay | 20 mi | WV, United States | Davis | |
September | The Dam Run at Castlewood Canyon | 10 km | CO, United States | Castle Rock | |
September | Sniff & Sip 5K | 5 km | OH, United States | Xenia | |
September | No Hassholes Left Behind | 50 km, 30 km, 20 km, 10 km | ON, Canada | wawa | |
September | Rockfit Fall Trail Race | 3.1 mi | MI, United States | Ada Township | |
September | Ragnar Trail Cottage Country-ON, Presented by Salomon | 120 mi | ON, Canada | Toronto | |
September | Ragnar Trail Northwoods-WI, Presented by Salomon | 120 mi | WI, United States | Wausau | |
September | Blazing 7s Trail Run | 100 mi, 100 km, 50 km, 25 km, 10 km | TX, United States | Cat Spring | |
September | The Battle of Turtle Creek | 5 km | OH, United States | Genoa | |
September | Imogene Pass Trail Run - Runner Reports | 17.1 mi | CO, United States | Ouray | |
September | FAAP Fall Classic 20k, 10k, 5k | 20 km, 10 km, 5 km | PA, United States | Pittsburgh | |
September | Eagleton Trail Challenge | 50 km, 25 km, 10 km | PA, United States | Lock Haven | |
September | Dare to Ascend Trail Run | 26.8 mi, 13.1 mi, 10 km, 5 km | TX, United States | Austin | |
September | Under Armour Mountain Running Series - Mt Bachelor | 50 km, 25 km, 10 km, 5 km | OR, United States | Bend | |
September | Breckenridge Falling Leaves 7K Trail Run | 7 km | CO, United States | Breckenridge | |
September | Brayden's Benefit 5k | 3.1 mi | PA, United States | Wellsboro | |
September | Cradle to Grave 30k/10k | 30 km, 10 km | NC, United States | Brevard | |
September | Rocky Mountain trail and ultra running camp | 20 mi | CO, United States | Idaho Springs | |
September | Beulah Challenge Trail Half Marathon | 13.1 mi, 10 km, 5 km | CO, United States | Beulah | |
September | South Hills Single Track Trail Run - Fall | 50 km, 26.2 mi, 16 mi, 13.1 mi, 9 mi, 10 km, 5 km | CA, United States | San Jose | |
September | Wolf Creek Wrangle Trail Run | 13.1 mi, 10 km, 5 km | WY, United States | Wolf | |
September | Whistler Canyon Trail 50 Mile & 10 Mile | 50 mi, 10 mi | WA, United States | Oroville | |
September | The North Face Endurance Challenge- Wisconsin | 5080.5 mi, 31.2 mi, 26.2 mi, 13.1 mi, 13.1 mi, 6.2 mi, 3.2 mi | WI, United States | ||
September | Run in the Rockies | 21.1 km, 10 km, 5 km, 1 km | AB, Canada | Hinton | |
September | Salt Springs Field, Forest & Falls Trail Race | 10 km, 5 km | PA, United States | Montrose | |
September | Frisco Fall Trail Running Festival - Runner Reports | 12 mi, 6 mi | CO, United States | Frisco | |
September | Imogene Pass Trail Run | 17.1 mi | CO, United States | Ouray | |
September | Six-O Trail Run | 50 km, 26.2 mi, 13.1 mi, 6 mi | TX, United States | Dallas/Fort Worth | |
September | Hocking Hills Trail Run | 60 km, 40 km, 20 km, 10 km, 5 km | OH, United States | Logan | |
September | The East Fork Trail 1/2 Marathon, 10 & 5K | 13.1 mi, 10 km, 5 km | OH, United States | Cincinnati | |
September | Mountain RATS | 33.2 mi, 26 mi, 14.4 mi | CO, United States | Eagle | |
September | Mt. Baldy Run-to-the-Top | 11.6 km | CA, United States | Claremont | |
September | Freaky Creeky | 100 km, 50 km, 27 km, 11 km | BC, Canada | Vernon | |
September | Black Squirrel Half Marathon | 13.3 mi | CO, United States | Fort Collins |
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