Trail Races

By Month

January (63) February (71)

March (72) April (104)

May (125) June (132)

July (84) August (121)

September (160) October (166)

November (85) December (41)

 
September - October Trail Races

Month	Race Name	Events	Location	Near
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	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	Pikes Peak Ascent	13.3 mi	CO, United States	Manitou Springs
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	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	Haliburton Forest Trail Runs	100 mi, 50 mi, 50 km, 26 km	ON, Canada	Haliburton
September	Moose Mountain Marathon	27 mi	MN, United States	Lutsen
September	Moose Mountain Trail Races	29 km, 16 km	AB, Canada	Bragg Creek
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	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	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	MEC 5 Peaks Trail Series: Buntzen Lake	22 km, 12 km, 10 km	BC, Canada	Vancouver
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	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	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	Sunrise over Sonoma Trail Run	10 mi, 5 mi	CA, United States	Healdsburg
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	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	Bear 100	100 mi	UT, United States	Logan
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	The Kismet Cliff Run	14 mi, 5 mi	NH, United States	North Conway
September	Dirty Invitational Marathon	26.2 mi	CA, United States	San Diego
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	Breck Crest	23 mi, 13.3 mi, 10 km	CO, United States	Breckenridge
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	Vail Victory Trail Marathon	26.2 mi	CO, United States	Vail
September	Chase the Coyote	14.4 km	ON, Canada
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	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	GOAT Run	26.2 mi	WA, United States	Port Angeles
September	Grand River Run	8 km, 5 km, 1.5 mi	MI, United States	Grand Rapids
September	Green River Games Big Hungry Half Marathon	13.1 mi	NC, United States	Saluda
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	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	Spectrum Trail Racing @ Flat Rock Ranch	26.2 mi, 13.1 mi	TX, United States	San Antonio
September	The North Face Dirty Feet Mountain 50km & Relay	50 km	BC, Canada	Kamloops
September	Tortoise and the Hare Half Marathon/10K	13.3 mi	GA, United States	Pine Mountain
September	Mount Robson Marathon	50 km, 21.5 km, 12 km, 5 km	BC, Canada	Valemount
September	Dancer Dash 5k	5 km	WA, United States	Port Orchard
September	Camp Susque 5K Trail Run	5 km	PA, United States	Williamsport
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	Grand Traverse Mountain Run	40 mi	CO, United States	Crested Butte
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	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	EX2 Adventures Fall Backyard BurnTrail Running Series-Race #1	10 mi, 5 mi	VA, United States	Lorton
September	Ragnar Trail Cottage Country-ON, Presented by Salomon	120 mi	ON, Canada	Toronto
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	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	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	The Battle of Turtle Creek	5 km	OH, United States	Genoa
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	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	Brayden's Benefit 5k	3.1 mi	PA, United States	Wellsboro
September	Breckenridge Falling Leaves 7K Trail Run	7 km	CO, United States	Breckenridge
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	Wolf Creek Wrangle Trail Run	13.1 mi, 10 km, 5 km	WY, United States	Wolf
September	Cradle to Grave 30k/10k	30 km, 10 km	NC, United States	Brevard
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	Salt Springs Field, Forest & Falls Trail Race	10 km, 5 km	PA, United States	Montrose
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	Westmore Mountain Challenge	26 mi	VT, United States	Island Pond
September	Mt Si Vert Fest	17 km, 5 km	WA, United States	North Bend
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	West Line Winder	50 km, 30 km	CO, United States	Buena Vista
September	Lone Star Night Run	13.1 mi, 10 km, 5 km	TX, United States	Weatherford
September	Six-O Trail Run	50 km, 26.2 mi, 13.1 mi, 6 mi	TX, United States	Dallas/Fort Worth
September	The East Fork Trail 1/2 Marathon, 10 & 5K	13.1 mi, 10 km, 5 km	OH, United States	Cincinnati
September	Island Lake Classic	10 km, 10 km, 10 km, 5 km	ON, Canada	Orangeville
September	Pisgah Mountain Trail Races	23 km	NH, United States	Chesterfiled
September	Alberta Peak Challenge	12 mi, 4 mi	CO, United States	Pagosa Springs
September	Freaky Creeky	100 km, 50 km, 27 km, 11 km	BC, Canada	Vernon
September	Tryon Farm 8 Miler/25k/50k	50 km, 25 km, 8 mi, 4 mi	IN, United States	Michigan City
September	Mountain RATS	50 km, 26 mi, 14.4 mi	CO, United States	Eagle
September	Crested Butte Ultra	50 mi, 55 km, 33 km	CO, United States	Crested Butte
September	Lap the Bluffs	4.1 km	BC, Canada	Squamish
September	BlackHel Double	19.3 mi	WV, United States	Belington
September	Smoke Rise Trail Runs - Full, Half Marathons, 5 Miler	26.2 mi, 13.1 mi, 5 mi	OH, United States	Glouster
September	Rock Dallas Trail Run	13.1 mi, 15 km, 5 km	TX, United States	Dallas/Fort Worth
September	Sorta Mountain Stage Race	50 km, 18 mi, 13.1 mi, 5 mi	IN, United States	Borden
September	PCOS Trailblazers 5K: Walk, Hike, or Run for PCOS Awareness!	3.1 mi, 3.1 mi	GA, United States	Lithia Springs
September	Hocking Hills Trail Run	60 km, 40 km, 20 km, 10 km, 5 km	OH, United States	Logan
September	Walk in the Park 14k-25k-50k	50 km, 25 km, 14 km	BC, Canada	Kamloops
September	24 Hours of Palmer Lake	82 km	CO, United States	Palmer Lake
September	Cane Creek Mtn Trail Run	13.1 mi, 10 km	NC, United States	Snow Camp
September	Morgan Hill Trail Races & Hill to Hollow 100km	100 km, 100 km, 27 mi, 13.2 mi	NY, United States	Fabius
September	Sawatch Ascent	50 km	CO, United States	Buena Vista
September	Gull Lake Ultra 25K	25 km	UT, United States	Vernal
September	Black Squirrel Half Marathon	13.5 mi	CO, United States	Fort Collins
September	Caprock Night Runs	26.2 mi, 13.1 mi, 13.1 mi, 4 mi	TX, United States	Quitaque
September	Red Feather Trail Jamboree - 50 Mile	50 mi	CO, United States	Red Feather
September	Red Feather Trail Jamboree - 50K	50 km	CO, United States	Red Feather
September	Red Feather Trail Jamboree - Half Marathon	14.3 mi	CO, United States	Red Feather
September	Dynafit MeadowGold 5k & 11k	10.6 km, 5 km	CO, United States	Minturn
September	Lead King Loop Charity Race	25 km	CO, United States	Marble
September	WILD Wahatoya Runs	50 km, 26.2 mi, 8 mi	CO, United States	La Veta
September	Wolfman Duathlon and Trail Race	21 mi, 14 mi, 7 mi, 3 mi	TN, United States	Memphis
September	Cossatot River Trail Run	13.1 mi, 10 km	AR, United States	Wickes
September	Road Kill XC Relay	2 mi, 1 km	TX, United States	Houston
September	Odyssey Trail Running Rampage	50 km, 26.2 mi, 13.1 mi, 6 mi	VA, United States	Clifton Forge
September	Paris Texas Marathon	100 km, 50 km, 26.2 mi, 13.1 mi, 5 km	TX, United States	Paris
September	Noche Trail Runs	40 mi, 27 mi, 13.1 mi, 13 mi, 5 km	TX, United States	Junction
September	Bear Country Night Trek	13.1 mi, 15 km, 10 km, 10 km, 10 km, 5 km, 5 km	TX, United States	Waco
September	Pilot Mountain to Hanging Rock Ultramarathon	50 mi, 50 km	NC, United States	Greensboro
September	Castle Alpine Trail Race	28 km	AB, Canada	Pincher Creek
September	Carpe Diem - Carpe Noctem Half Marathon and 10K (North Carolina)	13.1 mi, 10 mi	NC, United States	Greensboro
September	Mt. Baldy Run-to-the-Top	7.1 mi	CA, United States	Claremont
September	SOO 200	200 mi, 100 mi, 100 km, 50 km	ON, Canada	Sault Saint Marie
September	Blue Bully Ultra	50 km, 25 km, 5 km	ON, Canada	Collingwood
September	OUTLAST COLORADO SPRINGS	18 mi	CO, United States	Colorado Springs
September	OUTLAST ALBUQUERQUE	18 mi	NM, United States	Albuquerque
September	OUTLAST SHREVEPORT - NIGHT OUT EDITION	18 mi	LA, United States	Blanchard
September	CHICAGO TRAIL RUNNING FESTIVAL	50 km, 30 km, 20 km, 10 km, 10 km, 5 km	IL, United States	Beecher
September	Last Tide Standing Backyard Ultra	100 km	NB, Canada	Riverview
October	Dick Collins Firetrails 50	50 mi	CA, United States	Castro Valley
October	Tussey Mountainback Ultramarathon and Relay	50 mi	PA, United States	Boalsburg
October	Goblin Valley Ultramarathon	50 km, 25 km	UT, United States	Green River
October	Carmel Valley Trail Run	50 km, 25 km, 19 km, 8 km	CA, United States	Carmel Valley
October	NipMuck Trail Marathon	26.4 mi	CT, United States	Ashford
October	Iron Mountain Trail Run	50 mi	VA, United States	Damascus
October	Bald Eagle Mountain Megatransect	24.9 mi	PA, United States	Lock Haven
October	Barkcamp 10K Trail Run	10 km, 5 km	OH, United States	Belmont
October	Valley Falls Trail Runs	10 mi, 6 mi	WV, United States	Fairmont
October	Run for the Toad	50 km, 25 km, 12.5 mi	ON, Canada	Cambridge
October	Houghton's Pond Trail Race	6.2 mi	MA, United States	Milton
October	Monroe Dunbar Brook Trail Race	10.5 mi, 2 mi	MA, United States	Monroe
October	Cactus ChaCha Trail Runs	7 mi, 3 mi	AZ, United States	Waddell
October	John Holmes 50K	50 km, 16 mi	FL, United States	Brooksville
October	Annual Ridgewalk and Run	15 mi, 10 km, 5 km	NY, United States	Wellsville
October	Arkansas Traveller 100	100 mi	AR, United States	Perryville
October	Big Sur Trail Marathon, Half Marathon & 5 Mile	26.2 mi, 13.1 mi, 5 mi	CA, United States	Big Sur
October	Rock/Creek StumpJump 50K	50 km, 11 mi	TN, United States	Chattanooga
October	Out of Bounds Trail Half Marathon & 10K	13.1 mi, 10 km	NY, United States	Canandaigua
October	The Wayland XC Festival	5 km, 3 km	MA, United States	Wayland
October	Taylorsville 8 & 16 Mile Trail Runs	16 mi, 8 mi	OH, United States	Dayton
October	San Diego 100 Mile Endurance Run	100 mi	CA, United States	Lake Morena
October	Anne's Get Your Fat Ass Off The Couch Run	20 km, 10 km	BC, Canada	North Vancouver
October	Stone Steps 50K Trail Race	50 km	OH, United States	Cincinnati
October	Whiskeytown Trail Runs	50 km, 30 km, 8.3 mi, 1 mi	CA, United States	Redding
October	Napa Valley Wine Country Marathon, Half Marathon & 10K	26.2 mi, 13.1 mi, 10 km	CA, United States	Calistoga
October	Hairy Gorilla Half Marathon & Squirrelly Six Mile	13.1 mi, 6 mi	NY, United States	Albany
October	Hallow's Eve Trail Half Marathon and 10K	13.1 mi, 10 km	BC, Canada	North Vancouver
October	McDonald Forest Trail Run 15K/5K	15 km, 5 km	OR, United States	Corvallis
October	Triple Lakes Trail Race	40 mi, 26.2 mi, 11 mi	NC, United States	Greensboro
October	Mount Tamalpais 10k Trail Run	10 km	CA, United States	Mill Valley
October	Oil Creek 100 Trail Runs	100 mi, 100 km, 50 km	PA, United States	Titusville
October	West Virginia Trilogy	50 mi, 50 km, 13.1 mi	WV, United States	Charleston
October	Stinson Beach Trail Run	50 km, 30 km, 20 km, 12 km	CA, United States	Stinson Beach
October	Twin Peaks Ultra 50/50	50 mi, 50 km	CA, United States	South Corona
October	Cactus Rose 100mi & 50mi	100 mi, 50 mi	TX, United States	Bandera
October	Battle of the Rattle 5K	5 km	NV, United States	Reno
October	A Hurricane JEM	26.2 mi	UT, United States	St. George
October	Bizz Johnson Trail Marathon (Express Half Marathon, 10 Km, Half Marathon & Marathon)	26.2 mi, 13.1 mi, 10 km	CA, United States	Susanville
October	Dirt Devil Racing Series Raptor Ridge Half Marathon	13.1 mi	CA, United States	San Diego
October	Friend2Friend Hot Chili Challenge 8 Mile Trail Run	8 mi, 5 mi	NJ, United States	Andover
October	Devil Mountain	50 mi, 50 km, 13.1 mi	CO, United States	Pagosa Springs
October	Slickrock Ultramarathons	100 mi, 50 mi, 50 km	UT, United States	Moab
October	Medoc Trail Races	26.2 mi	NC, United States	Hollister
October	Top of Michigan 100k	100 km	MI, United States	Gaylord
October	Brazos Bend Gator Run	13.1 mi	TX, United States	Houston
October	Santa Cruz Island Eco-Extreme Trail Half Marathon	13.1 mi	CA, United States	Mugu State Park
October	Take-a-Hike 5K Trail Run and Family Walk	5 km	IN, United States	Indianapolis
October	Twilight's Last Gleaming Cross Country Challenge	4 mi	CA, United States	Ventura
October	Muskoka Mud Run	8 km	ON, Canada	Bracebridge
October	The Forest Park Marathon (and a half)	26.2 mi, 13.1 mi	OR, United States	Portland
October	Market to Market 50k	50 km	NE, United States	Lincoln
October	Tashka 50K/25K Trail Race	50 km	AL, United States	birmingham
October	River Otter 10k Trail Relay	10 km	SC, United States	Awendaw
October	Double Half Mary	13.1 mi	NE, United States	Lincoln
October	Montezuma Aqueduct 5K Race/Walk	5 mi	NY, United States	Auburn
October	Sinnemahone Ultra Marathon Trail Run	33 mi, 33 mi, 16.2 mi	PA, United States	Emporium
October	Raptor Ridge Half Marathon Trail Run	13.1 mi	CA, United States	San Diego
October	Mount Vernon Trail Race 5	5 km	VA, United States	Alexandria
October	Jacks 25k/50k Trail Race	5025 km	FL, United States	Flagler Beach
October	Quicksilver Challenge	13.1 mi	CA, United States	San Jose
October	Stallions Stampede Fun Run / Walk	10 km, 5 km, 2 km	TX, United States	Houston
October	Run For the Kids 5k/10k Trail Run	10 km, 5 km	PA, United States	Dingmans Ferry
October	Cloudsplitter 100	100 mi	KY, United States	Elkhorn City
October	Des Plaines River Trail Races	50 mi, 26.2 mi, 13.1 mi	IL, United States	Vernon Hills
October	Run The Farm	5 mi	NY, United States	Katonah
October	Kimberton Waldorf School 5K/10K Trail Run	10 km, 5 km	PA, United States	Valley Forge
October	Brazen Rocky Ridge Half Marathon Championship/10K/5K	13.1 mi, 10 km, 5 km	CA, United States	San Ramon
October	Tahoe XC's Fall into Winter Trail Runs	21 km, 10.5 km, 7 km, 2 km	CA, United States	Tahoe City
October	Festival of Colors 5K & 10K	10 km, 5 km	WI, United States	Hubertus
October	Maryland K9 5K	5 km	MD, United States	Bel Air
October	Skyline to the Sea	50 km	CA, United States	Boulder Creek
October	Spectrum Trail Racing @ McKinney Roughs	50 km, 25 km, 10 km	TX, United States	Austin
October	ChesLen Chase for Open Space	10 km, 5 km, 1.5 mi	PA, United States	West Chester
October	The North Face Endurance Challenge Utah - Runner Reports	50 mi, 50 km, 26.2 mi, 26.2 mi, 13.1 mi, 10 km, 5 km	UT, United States	Park City
October	Marilla Trail Race	14 mi, 7 mi	PA, United States	Bradford
October	Cat's Tail Trail Marathon	26.2 mi	NY, United States	Windham
October	Ragnar Trail Vail Lake	115 mi	CA, United States	San Diego
October	XTERRA Marathon Of Trail Races	26.2 mi, 13.1 mi, 5 mi	CO, United States	Colorado Springs
October	Pasadena 5k/10k	10 km, 5 km	CA, United States	Pasadena
October	The Naturalist 50K	50 mi	NC, United States	Franklin
October	Sac River Trail Races	26.2 mi, 15 km, 1 mi	CA, United States	Redding
October	Hoofin it for Hunger	13.1 mi, 6.2 mi, 3.1 mi	MT, United States	Miles City
October	Harmon Lake Trail Festival	26.2 mi, 13.1 mi, 15 km, 5 km	ND, United States	Mandan
October	MEC Race Five: The Creepy Creek 5km, 10km, 16km Trail Race	16 km, 10 km, 5 km	BC, Canada	North Vancouver
October	Elfin Forest Keepin' It Rural 5K/10K Trail run/hike	10 km, 5 km	CA, United States	San Diego
October	Heart of Cool Trail Run	13.1 mi, 10 km, 5 km	CA, United States	Cool
October	Paradise Trail Runs	9 mi, 4 mi	CA, United States	Chico
October	No Name 5030	50 mi, 50 km, 30 km, 15 km	CA, United States	Agoura Hills
October	Dugway Trail and Ultra Run	50 km	UT, United States	Tooele
October	Crimson Canyons Adventure Run	43 mi, 26 mi, 13 mi	UT, United States	Richfield
October	Next Generation Trail Races	10 km, 5 km, 1 mi	TX, United States	San Felipe
October	Pirates Treasure Run	5.3 mi	MA, United States	Lynn
October	RUN THE CANYONS 25/50K	50 km, 25 km	NV, United States	Las Vegas
October	Sonoma Ultra 50K and Half Marathon	50 km, 13.1 mi	CA, United States	Santa Rosa
October	AdventureMax	10 km	MO, United States	Highlandville
October	Bay Ridge Endurance Runs	100 km, 50 mi, 26.2 mi	CA, United States	Castro Valley
October	EX2 Adventures Hemlock Half Marathon and 10K	13.1 mi, 10 km	VA, United States	Clifton
October	EX2 Adventures Fall Backyard BurnTrail Running Series-Race #2	10 mi, 5 mi	VA, United States	Reston
October	EX2 Adventures Fall Backyard Burn 5M/10M Trail Running Series-Race #3	10 mi, 5 mi	VA, United States	Great Falls
October	Rocky Peak Ultra Trail Race	50 km, 30 mi	CA, United States	Los Angeles
October	MEC Vancouver: Trail Race SIX, Belcarra 5K/10K	10 km, 5 km	BC, Canada	Port Moody
October	Ragnar Trail Carolinas-SC, Presented by Salomon	120 mi	SC, United States	Fort Mill
October	Ragnar Trail Wawayanda Lake, Presented by Salomon, in association with New York Road Runners	120 mi	NJ, United States	Morristown
October	Ragnar Trail Hill Country-TX, Presented by Salomon	120 mi	TX, United States	Austin
October	Night Moves Trail Races	13.1 mi, 10 km, 5 km	TX, United States	San Felipe
October	The Dam Dark Run	10 km	PA, United States	Curwensville
October	Nasty 9 Trail Run	9 mi	VA, United States	Lexington
October	Rocky Mountain Brew runs: trails, views and brews	4.5 mi	CO, United States	Golden
October	Phoenix Trail Races	50 km, 25 km	ON, Canada	London
October	Mad Dog Scramble	8 km	ON, Canada	Toronto
October	True to the Brew 13.1	13.1 mi	SC, United States	Spartanburg
October	Bobcat Trail Race	50 km, 25 km, 10 km, 5 km	CO, United States	Colorado Springs
October	Tower to Town 10-Miler	10 mi	PA, United States	Lebanon
October	John Wayne Grit Series True Grit Anniversary 10K	10 km	CO, United States	Montrose
October	Cart to Cart Trail Race	19 mi, 10 mi	CO, United States	Crested Butte
October	Nature Run For Cancer	5 km	NY, United States	Pulaski
October	John Wayne Grit Series – Lone Pine Half Marathon & 10K, Lone Pine, CA	13.1 mi, 10 km	CA, United States	Fresno
October	Sandhill Crane All Trail Half Marathon, 10k, 5k	13.1 mi, 10 km, 5 km	MI, United States	Kalamazoo
October	DC PEAKS 50	50 mi	UT, United States	Centerville
October	Longview Trail Runs - Fall	20 km, 15 km, 10 km, 5 km	TX, United States	Longview
October	Lake Murray Endurance Run	100 mi, 100 km, 50 km, 25 km	OK, United States	Ardmore
October	The Shawnee Trail 1/2 Marathon, 10 & 5K	13.1 mi, 10 km, 5 km	OH, United States	Dayton
October	Chasing Trail Ultras Endurance Races	3 mi	NC, United States	Old Fort
October	IronHike Endurance Series - Fall - Mohawk Mountain, CT - USA	61 mi, 43 mi, 28 mi, 15 mi	CT, United States	Cornwall
October	Run the Rock | Rockville	5 km	VA, United States	Rockville
October	Strouds Run Trail 1/2 Marathon, 10 & 5K	13.1 mi, 10 km, 5 km	OH, United States	Cincinnati
October	Ceasar Creek Trail 1/2 Marathon, 10 & 5K	13.1 mi, 10 km, 5 km	OH, United States
October	The Hoosier Trail 1/2 Marathon, 10 & 5K	13.1 mi	IN, United States	Indianapolis
October	Miami Whitewater Trail 1/2 Marathon, 10 & 5K	13.1 mi	OH, United States	Dayton
October	The Kentucky General Butler Trail 1/2 Marathon, 10 & 5K	13.1 mi, 10 km, 5 km	KY, United States	Louisville
October	Hueston Woods Trail 1/2 Marathon, 10 & 5K	13.1 mi, 10 km, 5 km	OH, United States	Dayton
October	Dana Peak Trail Run	50 km, 20 km, 10 km	TX, United States	Killeen
October	CLEFTSTRONG 5K and Kids 1KM	5 km, 5 km, 5 km, 1 km	TX, United States	San Antonio
October	South Texas Ultra	50 km, 35 km, 17 km, 5 km	TX, United States	Leakey
October	Will Run for Coffee/Beer 5k	5 km, 5 km, 1.5 mi	MI, United States	Owosso
October	Rancho Canada del Oro Trail Challenge	30 km, 13.1 mi, 8 mi, 10 km, 5 km	CA, United States	Morgan Hill
October	California Gold Rush Trail Run - Fall	13.1 mi, 15 km, 10 km, 5 km	CA, United States	Coloma
October	Clawhammer Mountain 50k	50 km	NC, United States	Pisgah Forest
October	The bRUNch Trail Run	15 km, 5 km	CO, United States	Beaver Creek
October	Vineyard Vistas Fall Trail Run	15 km, 10 km, 5 km, 5 km	TX, United States	Muenster
October	Arches Marathon and Half	50 km, 26.2 mi, 13.1 mi, 15 km	UT, United States	Moab
October	Canyonlands Ultra	100 mi, 125 km, 50 mi, 26.2 mi, 13.1 mi, 15 km	UT, United States	Moab
October	Broken Rock 50K, 25K & 11K Trail Runs	50 km, 25 km, 11 km	OH, United States	Athens
October	Pumpkin Run	5 km, 1 mi, 1 mi	PA, United States	Oaks
October	Stone House Trail Runs - 10M, 25K & 50K	50 km, 25 km, 10 mi	OH, United States	Cambridge
October	North Bend Trail Fest	30 km, 10 km	WA, United States	North Bend
October	Rootrock Trail Run - 5K/10K/Half Marathon	13.1 mi, 10 km, 5 km	NC, United States	Chapel Hill
October	Lake Hodges Trail Festival	50 km, 15 km, 10 km, 5 km	CA, United States	San Diego
October	The Rehab Rover Canicross and Trail Race	10 km, 5 km	VA, United States	Gordonsville
October	Blue Sky Trail Marathon	26.7 mi	CO, United States	Fort Collins
October	The Battle of the Run Clubs @ Stable View	10 mi, 10 km, 5 km	SC, United States	Aiken
October	Blue Sky Trail Half Marathon	13.3 mi	CO, United States	Fort Collins
October	Aiken Trailblazer Halloween Half Marathon - 10K - 5K - Kids Fun Run at Stable View	13.1 mi, 10 km, 5 km, 1 km	SC, United States	Aiken
October	Summit 50/50	50 mi, 50 km, 25 km	NY, United States	Salamanca
October	OUTLAST TYLER	18 mi	TX, United States	Tyler
October	Apple Harvest Run - 10K - 5K - 1 Mile	10 km, 5 km, 1 mi	UT, United States	Santaquin
October	OUTLAST INDIANAPOLIS	18 mi	IN, United States	Columbus
October	Wolverine State 100	100 mi, 100 km, 50 km	MI, United States	Alpena
October	Triple Lakes Trail Race	40 mi, 26.2 mi, 13.1 mi	NC, United States	Greensboro
October	OUTLAST DENVER	18 mi	CO, United States	Littleton
October	OUTLAST CLEVELAND	18 mi	OH, United States	Garrettsville
October	Trailfest | Fleet Feet Springfield	13.1 mi, 6.2 mi, 3.1 mi	MO, United States	Highlandville
October	OKLAHOMA CITY TRAIL RUNNING FESTIVAL	31 mi, 21 mi, 9 mi, 9 mi, 3 mi	OK, United States	Oklahoma City
October	HARVEST TRAIL RUNNING FESTIVAL	31 mi, 26 mi, 13 mi, 6 mi, 6 mi, 3 mi	TX, United States	Farmersville
October	OUTLAST SALT LAKE CITY	18 mi	UT, United States	Herriman