Trail PosterTrail running races in USA for October 2025
Discover the magic of ultratrail running in USA for October 2025. Our handpicked race calendar is designed for every adventurer ready to create their own unique journey across the most scenic and challenging landscapes.
Portland Trail Series – Fall
Portland, USA
01-29 Oct, 2025 (Wed – Wed)
Distances: 7 mi
IronHike Endurance Series – Fall – Mohawk Mountain
Cornwall, USA
02 Oct, 2025 (Thu)
Distances: 15 mi, 28.8 mi, 43.8 mi, 61.3 mi, 152.5 mi
Lastest Not Fastest
Bend, USA
02 Oct, 2025 (Thu)
Distances:
NJ Trail Series One Day
Frankford, USA
02-04 Oct, 2025 (Thu – Sat)
Distances: 42.195 km, 50 km, 6 hrs, 12 hrs, 24 hrs, 48 hrs, 72 hrs
Hell Creek 100
Sylvan Grove, USA
03-04 Oct, 2025 (Fri – Sat)
Distances: 20 mi, 100 km, 100 mi, 140 mi
Red Barn Challenge
Lykens, USA
03-04 Oct, 2025 (Fri – Sat)
Distances: 6 hrs, 12 hrs, 24 hrs
5K Haunted Hertiage Trail Fun Run
Dyersville, USA
04 Oct, 2025 (Sat)
Distances: 1 mi, 5 km
5K Your Ways – Robinson, IL
Robinson, USA
04 Oct, 2025 (Sat)
Distances: 3.1 mi
Above the Clouds Ultra
Woodland Park, USA
04 Oct, 2025 (Sat)
Distances: 10 km, 50 km
Amy’s Adventure Race for the Lake
Bolton Landing, USA
04 Oct, 2025 (Sat)
Distances: 4.5 mi, 10 mi
Arches Marathon
Moab, USA
04 Oct, 2025 (Sat)
Distances: 15 km, 21.1 km, 42.195 km, 50 km
Arkansas Traveller 100
Camp Ouachita, USA
04 Oct, 2025 (Sat)
Distances: 100 mi
Back On The Ranch Trail Run
Los Olivos, USA
04 Oct, 2025 (Sat)
Distances: 3 hrs, 6 hrs, 12 hrs, 24 hrs, 48 hrs
Baker Lake 50K
Whatcom County, USA
04 Oct, 2025 (Sat)
Distances: 50 km
Camp Innabah Fall Classic
Spring City, USA
04 Oct, 2025 (Sat)
Distances: 2 mi, 5 mi
Carson Valley Trails Run the Valley 5k
Carson City, USA
04 Oct, 2025 (Sat)
Distances: 2 km, 5 km, 6 mi
Chernisky Ghost Town Trail-a-thon
Ebensburg, USA
04 Oct, 2025 (Sat)
Distances: 15 mi, 42.195 km
Chisholm Trail Trot 5K
Clearwater, USA
04 Oct, 2025 (Sat)
Distances: 5 km, 10 km
Cole Porter Classic
Peru, USA
04 Oct, 2025 (Sat)
Distances: 3.1 mi, 6.2 mi
Crooked Loops Trail Run
City of the Village of Clarkston, USA
04 Oct, 2025 (Sat)
Distances: 2.5 mi, 5.5 mi, 8.5 mi
Crown Stub 100
Buxton, USA
04 Oct, 2025 (Sat)
Distances: 100 mi
Cuyamaca 100K Endurance Run
Julian, USA
04 Oct, 2025 (Sat)
Distances: 100 km
DC Peaks 50
Kaysville, USA
04 Oct, 2025 (Sat)
Distances: 25 km, 55 km, 50 mi
Devil’s Toll Race
Middle Brook, USA
04 Oct, 2025 (Sat)
Distances: 21 km, 13.1 mi
El Diablo Hundo
Doyline, USA
04 Oct, 2025 (Sat)
Distances: 100 km, 100 mi
Export 100 Trail Run
Export, USA
04 Oct, 2025 (Sat)
Distances: 100 mi
Fire Tower Trail Races
Hinckley, USA
04 Oct, 2025 (Sat)
Distances: 11 km, 35 km, 50 km, 100 km
Flagstaff Marathon
Flagstaff, USA
04 Oct, 2025 (Sat)
Distances: 6.2 mi, 13.1 mi, 26.2 mi
FLATS Trail Half Marathon
Kirksville, USA
04 Oct, 2025 (Sat)
Distances: 21.1 km
Flutters and Foliage Endurance Run
Cohoes, USA
04 Oct, 2025 (Sat)
Distances: 1 hrs, 3 hrs, 6 hrs
Fly to Pie – Kingdom Marathon
Coventry, USA
04 Oct, 2025 (Sat)
Distances: 10 km, 13.5 mi, 17 mi, 26.2 mi
Franciscan Rhythmsl Trail Run/Walk PLUS a 10K!
Lowell, USA
04 Oct, 2025 (Sat)
Distances: 5 km
Gone Fir A Run 50K
Spokane, USA
04 Oct, 2025 (Sat)
Distances: 50 km
Grand Traverse – Duluth, MN
Duluth, USA
04 Oct, 2025 (Sat)
Distances: 10 mi, 17 mi, 21 mi, 27 mi
Hanging Flume 50k
Montrose County, USA
04 Oct, 2025 (Sat)
Distances: 50 km
Howlin’ Coyote 10k Canicross Trail Race
King George, USA
04 Oct, 2025 (Sat)
Distances: 1 mi
Lake Yahou 50k
Anniston, USA
04 Oct, 2025 (Sat)
Distances: 5.5 mi, 10 mi, 50 km
Leavenworth Marathon
Leavenworth, USA
04 Oct, 2025 (Sat)
Distances: 21.097 km, 42.195 km
Legend Never Die
Ketchum, USA
04 Oct, 2025 (Sat)
Distances: 21.1 km, 55 km
Lowcountry Trail Half and 5k
Johns Island, USA
04 Oct, 2025 (Sat)
Distances: 5 km, 21.097 km
Magdalena Massacre
Magdalena, USA
04 Oct, 2025 (Sat)
Distances: 35 km, 42.195 km
Night Owl Shuffle
Lake Elmo, USA
04 Oct, 2025 (Sat)
Distances: 5 km, 10 km, 6 hrs
North Kingstown Firefighters Association Blazing Trail 5K
North Kingstown, USA
04 Oct, 2025 (Sat)
Distances: 5 km
Oil Creek 100 Trail Runs
Titusville, USA
04 Oct, 2025 (Sat)
Distances: 25 km, 50 km, 100 km, 100 mi
Ozark Trail Festival “Run to the Wagon” 5K Fun Run
Heber Springs, USA
04 Oct, 2025 (Sat)
Distances: 5 km
Paw Prints 5K and Fun Walk
Eastampton Township, USA
04 Oct, 2025 (Sat)
Distances: 5 km
Perpetua Coast
Yachats, USA
04-05 Oct, 2025 (Sat – Sun)
Distances: 21.1 km, 20 mi, 50 km
Reservoir Dogs Trail Run
Orinda, USA
04 Oct, 2025 (Sat)
Distances: 10 km, 21.1 km, 35 km
Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half Marathon
Cañon City, USA
04 Oct, 2025 (Sat)
Distances: 8 mi, 13.1 mi
Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half Marathon
Cañon City, USA
04 Oct, 2025 (Sat)
Distances: 8 mi, 13.1 mi
S’more Fun Trail Run
Baraboo, USA
04 Oct, 2025 (Sat)
Distances: 1 mi, 5 km, 6.2 mi, 13.1 mi
Saddles 100
Prescott, USA
04 Oct, 2025 (Sat)
Distances: 50 mi, 100 mi
SFRC Womens Headlands Half Marathon
Mt. Tamalpais State Park, Mill Valley, USA
04 Oct, 2025 (Sat)
Distances: 10 km, 21.1 km
South Texas Ultra
Leakey, USA
04 Oct, 2025 (Sat)
Distances: 5 km, 17 km, 35 km, 50 km
Star City San Bruno Mountain Half Marathon & 5k
Brisbane, USA
04 Oct, 2025 (Sat)
Distances: 5 km, 21.1 km
Swiss Valley Trail Run
Peosta, USA
04 Oct, 2025 (Sat)
Distances: 5.2 mi, 25 km, 50 km
Tale of Two Trails
Shawnee, USA
04 Oct, 2025 (Sat)
Distances: 10 mi, 20 mi, 40 mi, 50 mi
The Bear Chase Race
Lakewood, USA
04-05 Oct, 2025 (Sat – Sun)
Distances: 5 km, 10 km, 21.1 km, 50 km, 50 mi, 100 km
The Bull Mountain Epic
Dahlonega, USA
04 Oct, 2025 (Sat)
Distances: 21.1 km, 50 km
The Community Health Clinic 5K – Shipshewana
Shipshewana, USA
04 Oct, 2025 (Sat)
Distances: 3.1 mi
The Hennepin Hundred
Sterling, USA
04 Oct, 2025 (Sat)
Distances: 50 km, 50 mi, 100 mi
The Last Wolf: The 7 – NC
Kings Mountain, USA
04 Oct, 2025 (Sat)
Distances: 5 km, 25 km, 50 km
The Naturalist – Epic 25 / 50k
Franklin, USA
04 Oct, 2025 (Sat)
Distances: 25 km, 50 km
The Rehab Rover Canicross and Trail Race – 10k, 5K and Casual Dog Friendy 5K
Gordonsville, USA
04 Oct, 2025 (Sat)
Distances: 5 km, 10 km
The Rugged Red Trail Half Marathon
Slade, USA
04 Oct, 2025 (Sat)
Distances: 13.1 mi
Trails by Moonlight: Hunter’s Moon
Lago Vista, USA
04 Oct, 2025 (Sat)
Distances: 8 hrs
Trails4Tails Fest – NJ
Hopewell Township, USA
04 Oct, 2025 (Sat)
Distances: 3.1 mi
True to the Brew Trail Run/Hike 13.1 Half Marathon
Spartanburg, USA
04 Oct, 2025 (Sat)
Distances: 21.1 km
Unmask Domestic Violence Costume Fun Run
Sturgeon Bay, USA
04 Oct, 2025 (Sat)
Distances: 2 km, 5 km
West Elk Challenge Trail Marathon
Crawford, USA
04 Oct, 2025 (Sat)
Distances: 42.195 km
Whitefish Trail Blazer
Whitefish, USA
04-05 Oct, 2025 (Sat – Sun)
Distances: 2 mi, 3.4 mi, 6.8 mi, 13.1 mi, 55 km
Wild Wild West Marathon & Ultra
Lone Pine, USA
04 Oct, 2025 (Sat)
Distances: 10 mi, 42.195 km, 50 km, 50 mi
Baker Lake Classic 25k
Concrete, USA
05 Oct, 2025 (Sun)
Distances: 25 km
Black Forest 100k
North Bend, USA
05 Oct, 2025 (Sun)
Distances: 100 km
Blues Cruise 50k Trail Ultra
Reading, USA
05 Oct, 2025 (Sun)
Distances: 50 km
Condor 25K Trail Run
Corvallis, USA
05 Oct, 2025 (Sun)
Distances: 25 km
Fall Foot Races – Bend, OR
Bend, USA
05 Oct, 2025 (Sun)
Distances: 5 km, 13.1 mi
Farmer Ken’s Pumpkin Dash 5K
Franksville, USA
05 Oct, 2025 (Sun)
Distances: 5 km
Groton Town Forest Trail Races
Groton, USA
05 Oct, 2025 (Sun)
Distances: 3.4 mi, 9.5 mi
Houghton’s Pond Trail Race
Milton, USA
05 Oct, 2025 (Sun)
Distances: 3.7 mi, 7 mi
Kettle Cooker Five & Dime Trail Race
West Nottingham Township, USA
05 Oct, 2025 (Sun)
Distances: 5 mi, 10 mi, 15.5 mi
Kokanee Trail Runs
South Lake Tahoe, USA
05 Oct, 2025 (Sun)
Distances: 0.5 mi, 5 km, 10 km, 21.1 km
Moscow Mountain Madness
Moscow, USA
05 Oct, 2025 (Sun)
Distances: 5 mi, 21.1 km, 50 km
NipMuck Trail Marathon
Ashford, USA
05 Oct, 2025 (Sun)
Distances: 42.195 km
Nuthatch Nonsense
Akron, USA
05 Oct, 2025 (Sun)
Distances: 15 km
Pocahontast Trail Fest
Chesterfield, USA
05 Oct, 2025 (Sun)
Distances: 6.2 mi, 13.1 mi
Run Stanley
Westfield, USA
05 Oct, 2025 (Sun)
Distances: 3.1 mi
Sandia Mountain Shadows Trail Run
Albuquerque, USA
05 Oct, 2025 (Sun)
Distances: 3.12 mi, 6.21 mi
Stub Stewart Trail Challenge
Buxton, USA
05 Oct, 2025 (Sun)
Distances: 6.5 mi, 21.1 km, 19.5 mi, 42.195 km
Think Big Trail Challenge
South Williamsport, USA
05 Oct, 2025 (Sun)
Distances: 5 km, 10 km
Trailfest
Highlandville, USA
05 Oct, 2025 (Sun)
Distances: 3.1 mi, 6.2 mi, 13.1 mi
UP Friends of Honduras 5K Run/Walk
Spalding Township, USA
05 Oct, 2025 (Sun)
Distances: 5 km
Yuba Gold Trail Runs
Nevada City, USA
05 Oct, 2025 (Sun)
Distances: 21.1 km, 35 km, 50 km
Heartland Ultra
Cassoday, USA
10-11 Oct, 2025 (Fri – Sat)
Distances: 21.1 km, 42.195 km, 50 mi, 100 km, 100 mi, 125 mi
Kodiak Ultra Marathons by UTMB
Big Bear Lake, USA
10-11 Oct, 2025 (Fri – Sat)
Distances: 10.4 km, 23.1 km, 50 km, 98.8 km, 159.3 km
Mile Madness Endurance Run
Rocklin, USA
10-11 Oct, 2025 (Fri – Sat)
Distances: 100 mi, 6 hrs, 12 hrs, 24 hrs, 48 hrs, 72 hrs
Moab 240 Endurance Run
Moab, USA
10 Oct, 2025 (Fri)
Distances: 240 mi
Tesla Hertz Run
Rocky Point, USA
10 Oct, 2025 (Fri)
Distances: 10 mi, 50 km, 50 mi, 100 km, 100 mi, 150 mi
The Biggest Little Ultra
Sparks, USA
10 Oct, 2025 (Fri)
Distances: 50 mi, 100 mi, 6 hrs, 12 hrs, 24 hrs, 48 hrs
Thrasher Night Runs
Cave Creek, USA
10 Oct, 2025 (Fri)
Distances: 5 km, 11 km, 22 km, 33 km
West Virginia Trilogy
Circleville, USA
10-12 Oct, 2025 (Fri – Sun)
Distances: 21.1 km, 50 km, 50 mi
Angel’s Rest
Cascade Locks, USA
11 Oct, 2025 (Sat)
Distances: 10 km, 20 mi, 50 km
Arrowhead Endurance Run
Johnston City, USA
11 Oct, 2025 (Sat)
Distances: 3 hrs, 6 hrs, 12 hrs, 24 hrs
Arrowwood Adventure 5K
Wears Valley, USA
11 Oct, 2025 (Sat)
Distances: 3 mi, 6 mi
Bit of Hope Ranch 5K Trail Run, 2K Walk, & Half-Pint Run
Gastonia, USA
11 Oct, 2025 (Sat)
Distances: 5 km
Bizz Johnson Trail Marathon
Westwood-Susanville, USA
11-12 Oct, 2025 (Sat – Sun)
Distances: 10 km, 21.1 km, 42.195 km, 50 km
Blue Ridge Ultra
Blue Ridge, USA
11 Oct, 2025 (Sat)
Distances: 15 km, 30 km, 50 km
Break the Bank
Duluth, USA
11 Oct, 2025 (Sat)
Distances: 50 mi
Broad River Trail Run
Shelby, USA
11 Oct, 2025 (Sat)
Distances: 5 km, 10 mi
Canal Corridor 100 Mile Endurance Run
Akron, USA
11 Oct, 2025 (Sat)
Distances: 100 mi
Canyon De Chelly Ultra
Canyon De Chelly, USA
11 Oct, 2025 (Sat)
Distances: 55 km
Canyon de Chelly Ultra Marathon
Navajo Reservation, AZ, USA
11 Oct, 2025 (Sat)
Distances: 55 km
Cave Creek Thriller
Cave Creek, USA
11 Oct, 2025 (Sat)
Distances: 5 km, 11 km, 24 km, 50 km
Caveman Challenge at Waterloo Lake
Denison, USA
11 Oct, 2025 (Sat)
Distances: 5 km, 10 km, 21.1 km, 42.195 km, 50 km
Death By a Mile – Palmer, AK
Palmer, USA
11 Oct, 2025 (Sat)
Distances: 4 hrs, 6 hrs, 12 hrs
DeClue Loops Trail Race
Pacific, USA
11 Oct, 2025 (Sat)
Distances: 8 mi, 16 mi, 26.2 mi, 32 mi
Defiance 50K/30K/15K
Owens Beach, USA
11 Oct, 2025 (Sat)
Distances: 15 km, 30 km, 50 km
Des Plaines River Trail Races
Vernon Hills, USA
11 Oct, 2025 (Sat)
Distances: 13.1 mi, 26.2 mi, 50 km, 50 mi
Devil’s Den Ultra
Bradford, USA
11 Oct, 2025 (Sat)
Distances: 6 mi, 12 hrs, 30 hrs
Dimple Dell Half Marathon
Sandy, USA
11 Oct, 2025 (Sat)
Distances: 21.1 km
DPR Trail Races
Lake County, USA
11 Oct, 2025 (Sat)
Distances: 21.1 km, 42.195 km, 50 km, 50 mi
Euchre Bar Massacre
Foresthill, USA
11 Oct, 2025 (Sat)
Distances: 25 mi, 50 mi
Farmdale Trail Runs
East Peoria, USA
11 Oct, 2025 (Sat)
Distances: 10 km, 21.1 km, 30 mi, 50 mi, 100 mi
Flatrock | Georgia
Dacula, USA
11 Oct, 2025 (Sat)
Distances: 21.1 km, 50 km, 50 mi
Forbidden Forest 30 Hour Ultra Run
Stratford, USA
11 Oct, 2025 (Sat)
Distances: 30 hrs
Free State Trail Runs
Meriden, USA
11 Oct, 2025 (Sat)
Distances: 6.75 mi, 21.1 km, 42.195 km, 40 mi
Great Springs Trail Race – San Marcos
San Marcos, USA
11 Oct, 2025 (Sat)
Distances: 10 km, 13.1 mi
Greene River Trail 5k
Rices Landing, USA
11 Oct, 2025 (Sat)
Distances: 5 km
Horseshoe Bend Ultras
Page, USA
11 Oct, 2025 (Sat)
Distances: 21.1 km, 55 km, 50 mi
Indiana Trail 100
Albion, USA
11 Oct, 2025 (Sat)
Distances: 50 mi, 75 mi, 100 mi
Lake Rhodhiss Trailfest
Valdese, USA
11 Oct, 2025 (Sat)
Distances: 1 mi, 5 km, 10 km, 10 mi
Lehigh Gap Nature Center 10k
Slatington, USA
11 Oct, 2025 (Sat)
Distances: 2 mi, 10 km
Look Good Feel Good San Leand RO 5 K, 10, Half Marathon & Marathon
San Leandro, USA
11 Oct, 2025 (Sat)
Distances: 1 mi, 5 km, 10 km, 21.1 km, 42.195 km
Mad Meadows 50
Leavenworth, USA
11 Oct, 2025 (Sat)
Distances: 50 km, 50 mi
Midstate Massive Ultra Trail
New Ipswich, USA
11-12 Oct, 2025 (Sat – Sun)
Distances: 30 mi, 50 mi, 100 mi
Mo Marathon & Half Marathon
Loudonville, USA
11 Oct, 2025 (Sat)
Distances: 15 km, 13.1 mi, 26.2 mi
Mt. Umunhum Trail Conquest-Fall
San Jose, USA
11 Oct, 2025 (Sat)
Distances: 5 km, 7 mi, 21.1 km, 30 km, 42.195 km, 50 km
Newton Hills Trail Race
Canton, USA
11 Oct, 2025 (Sat)
Distances: 2 mi, 6 mi
Paris Mountain Half Marathon
Greenville, USA
11 Oct, 2025 (Sat)
Distances: 13.1 mi
Queen City Trail Run – TX
Progreso Lakes, USA
11 Oct, 2025 (Sat)
Distances: 1 mi, 5 km, 10 km, 10 mi
RAF Trail Race Series
Bruceton Mills, USA
11 Oct, 2025 (Sat)
Distances: 1 mi, 5 km, 10 km, 25 km, 50 km
Rob’s Trail Fest
Hemlock, USA
11 Oct, 2025 (Sat)
Distances: 5 km, 15 km, 42.195 km
Rock Bridge Revenge
Columbia, USA
11 Oct, 2025 (Sat)
Distances: 25 km, 50 km
Run The Ridge 5K/25K
Beaver Dam, USA
11 Oct, 2025 (Sat)
Distances: 5 km, 10 km, 25 km
RunningForCure
Laguna Beach, USA
11 Oct, 2025 (Sat)
Distances: 10 mi
Sage Burner Trail Races
Gunnison, USA
11 Oct, 2025 (Sat)
Distances: 15 km, 28 km, 50 km
Sasquatch Shuffle
McCall, USA
11-12 Oct, 2025 (Sat – Sun)
Distances: 20 km, 30 km, 50 km, 100 km
Scouting’s Meecheway 5K Trail Run – Color Run Edition
Defiance, USA
11 Oct, 2025 (Sat)
Distances: 5 km
Shawnee Trail Runs
Earl Thomas Conley Park, West Portsmouth, USA
11 Oct, 2025 (Sat)
Distances: 13.1 mi, 50 km, 50 mi
Swedish Mile Trail Run
Mora, USA
11 Oct, 2025 (Sat)
Distances: 5 km, 10 km
The Trout Brook
Hudson, USA
11 Oct, 2025 (Sat)
Distances: 10 mi
Three Eagle Marathon & 5K
Three Lakes, USA
11 Oct, 2025 (Sat)
Distances: 3.1 mi, 13.1 mi
Timber Trails 5K Run/Walk
Grand Ledge, USA
11 Oct, 2025 (Sat)
Distances: 3.1 mi
Tortoise Trot Trail Run
Las Vegas, USA
11 Oct, 2025 (Sat)
Distances: 3.1 mi
Trails 4 Miles
White Post, USA
11 Oct, 2025 (Sat)
Distances: 1 mi, 4 mi
Virginia Trail Running Festival
Fries, USA
11 Oct, 2025 (Sat)
Distances: 50 mi, 100 mi
13 Ghosts Half Marathon, 13 K & 4 Mile Trail Run
Leonard, USA
12 Oct, 2025 (Sun)
Distances: 4 mi, 8.1 mi, 13.1 mi
Dirt Days Trail Series – West Side, Best Side 5K Trail Run at Shawnee Lookout
North Bend, USA
12 Oct, 2025 (Sun)
Distances: 3.5 mi
Glacial Trail Run
Greenbush, USA
12 Oct, 2025 (Sun)
Distances: 50 km, 50 mi
Green Monster 25K & 50K Trail Challenge
Wellsboro, USA
12 Oct, 2025 (Sun)
Distances: 15 km, 25 km, 50 km
Mohawk Mountain Race
Cornwall, USA
12 Oct, 2025 (Sun)
Distances: 5 km, 10 km, 21.1 km, 42.195 km
Mystery Mountain Marathon & 12 Miler
Chatsworth, USA
12 Oct, 2025 (Sun)
Distances: 12 mi, 42.195 km
North Bend Trail Fest
North Bend, USA
12 Oct, 2025 (Sun)
Distances: 10 km, 30 km
Paine To Pain Trail Half-Marathon
New Rochelle, USA
12 Oct, 2025 (Sun)
Distances: 13.1 mi
Peace For Police 5k & 1 Mile Fun Run/Walk – NJ
Gloucester Township, USA
12 Oct, 2025 (Sun)
Distances: 1 mi, 3.1 mi
Race For Open Space – West Bend, WI
West Bend, USA
12 Oct, 2025 (Sun)
Distances: 3.1 mi, 6.2 mi
Rick O’Donnell Memorial 5 Mile Trail Run and Ultra Challenge
Mount Airy, USA
12 Oct, 2025 (Sun)
Distances: 5 mi, 4 hrs, 8 hrs
Rocky Gap 25K, 50K, Relay Trail Run
Flintstone, USA
12 Oct, 2025 (Sun)
Distances: 16.1 mi, 32.2 mi
The Land of Light 100k
Norway, USA
12 Oct, 2025 (Sun)
Distances: 100 km
The Land of Light 25k & 100k
Norway, USA
12 Oct, 2025 (Sun)
Distances: 100 km
BadgerPalooza
Monroe, USA
17-18 Oct, 2025 (Fri – Sat)
Distances: 6 hrs, 12 hrs
Bethlehem Running Festival presented by Lehigh Valley Health Network
Bethlehem, USA
17 Oct, 2025 (Fri)
Distances: 3.8 mi
Chattanooga Mountains Stage Race
Chattanooga, USA
17-19 Oct, 2025 (Fri – Sun)
Distances: 18 mi, 20 mi, 22 mi, 60 mi
Meyerhoff’s Mayhem
Cedar Falls, USA
17 Oct, 2025 (Fri)
Distances: 48 hrs
Mines of Spain 100
Dubuque, USA
17 Oct, 2025 (Fri)
Distances: 100 km, 100 mi
Pony Express Trail 50 and 100
Faust, USA
17 Oct, 2025 (Fri)
Distances: 50 mi, 100 mi
Sunshine Camp Trail Mix & Beer Fest
Rush, USA
17 Oct, 2025 (Fri)
Distances: 5 km
Ȟaȟá Wakpádaŋ Loopet Loppet – Minneapolis, MN
Golden Valley, USA
18 Oct, 2025 (Sat)
Distances: 6 hrs, 12 hrs
Big Tex Backyard Ultra
San Felipe, USA
18 Oct, 2025 (Sat)
Distances: 1 km, 4.17 mi
Blue Sky Trail Marathon & Half Marathon
Fort Collins, USA
18-19 Oct, 2025 (Sat – Sun)
Distances: 13.4 mi, 26.7 mi
Bluff Color Fest Trail Run & Hike
Red Wing, USA
18 Oct, 2025 (Sat)
Distances: 5 km, 10 km, 10 mi, 13.1 mi
Bobcat Trail Race- Colorado Springs
Colorado Springs, USA
18 Oct, 2025 (Sat)
Distances: 5 km, 10 km, 25 km, 50 km
Bohemian Alps 50 Kilometer Ultramarathon
Brainard, USA
18 Oct, 2025 (Sat)
Distances: 50 km
Bohemian Alps Endurance Run
Brainard, USA
18 Oct, 2025 (Sat)
Distances: 21.1 km
Buffalo Creek Half Marathon
Cabot, USA
18 Oct, 2025 (Sat)
Distances: 13.1 mi
Cactus to Cloud Trail Run
Cloudcroft, USA
18 Oct, 2025 (Sat)
Distances: 20 mi, 50 km
Cahuilla Rez Ultra
Anza, USA
18 Oct, 2025 (Sat)
Distances: 21.1 km, 100 mi, 6 hrs, 12 hrs, 24 hrs
California Fall Classic 100K / 55K at Lake Sonoma
Healdsburg, USA
18 Oct, 2025 (Sat)
Distances: 55 km, 100 km
California Gold Rush Trail Run – Fall
Coloma, USA
18 Oct, 2025 (Sat)
Distances: 1 mi, 5 km, 10 km, 15 km, 21.1 km
Clear Creek Ultra
Crystal Springs, USA
18 Oct, 2025 (Sat)
Distances: 10 hrs
Cranmore Mountain Race
Conway, USA
18 Oct, 2025 (Sat)
Distances: 6.2 mi
Delaware Trail Fest
Bear, USA
18 Oct, 2025 (Sat)
Distances: 12 km, 24 km, 12 hrs
Delirium Ultra 24 Hour Endurance Race
Beaufort, USA
18 Oct, 2025 (Sat)
Distances: 6 hrs, 12 hrs, 24 hrs
Dirt Circus – Flower Mound
Flower Mound, USA
18 Oct, 2025 (Sat)
Distances: 3.3 mi
Dragons in the Woods
Holt, USA
18 Oct, 2025 (Sat)
Distances: 3.1 mi
FRC Deerfly Trail Race
Fayetteville, USA
18 Oct, 2025 (Sat)
Distances: 4.01 mi, 6.8 mi
FSR 100 – Copperhill, TN
Copperhill, USA
18 Oct, 2025 (Sat)
Distances: 100 mi
Ghost Train Trail Races
Brookline, USA
18-19 Oct, 2025 (Sat – Sun)
Distances: 15 mi, 30 mi, 30 hrs
Gila 100 – Silver City, NM
Silver City, USA
18-19 Oct, 2025 (Sat – Sun)
Distances: 21.1 km, 50 mi, 100 mi
Impact Race To The Heights 5K
Birmingham, USA
18 Oct, 2025 (Sat)
Distances: 5 km