October Ultras in the USA
Greensboro, NC
Triple Lakes Trail Race
Oct 29, 2022
Stratham, NH
Great Bay 5K & Great Bay 55K Challenge
Oct 29, 2022
Titusville, NJ
WXT Ultra Trail Races
Oct 29, 2022
Perryville, AR
Arkansas Traveller 100
Oct 1, 2022
Dallas, TX
Red River Relay
Oct 29, 2022
Holland, MI
Ultra Bird Trail Races
Oct 22, 2022
Greenbush, WI
Glacial Trail 50 Mile & 50K
Oct 9, 2022
Dacula, GA
Thriller Lake
Oct 29, 2022
Stratford, CT
Centurion 24 Hour Ultra Trail Race
Oct 15, 2022
Forbidden Forest 30 Hour Ultra Trail Run
Oct 14, 2023
Chillicothe, OH
Scioto Trail Challenge
Oct 2, 2022
Sterling, IL
Hennepin Hundred
Oct 1, 2022
Medford, OR
Volcanic Legacy Endurance Race
Oct 29, 2022
Fountain Hills, AZ
Javelina Jundred
Oct 29, 2022
Newcastle, WA
Cougar Mountain Trail Running Series
May 14, 2022
Jun 11, 2022
Jul 9, 2022
Aug 13, 2022
1 more
Bellingham, WA
Trails to Taps Relay
Oct 16, 2022
Douglas, MA
Midstate Massive Ultra Trail
Oct 8, 2022
Morristown, TN
Dirt Circuit
Oct 1, 2022
Franklin, NC
Naturalist - Epic 50K, 25K
Oct 1, 2022
Bend, OR
Timberjack Ultramarathon
Oct 8, 2022
Dayton, OH
Outdoor X 12 Hour Endurance Run
Oct 1, 2022
Boalsburg, PA
Tussey Mountainback 50 Mile Relay and Ultra
Oct 16, 2022
Nashville, TN
Nashville Ultra
Oct 22, 2022
Columbus, GA
Columbus Day Relay
Oct 8, 2022
Denison, TX
Red River Relay
Oct 29, 2022
Caledonia, MI
Cal Crusher
Oct 22, 2022
Crested Butte, CO
Crested Butte Ultra
Oct 1, 2022
Kings Park, NY
Fred von der Heydt Memorial 6 Hour Birthday Run
Oct 16, 2022
Dubuque, IA
Mines of Spain 100
Oct 14, 2022
Westwego, LA
CrossRun Series #1
Oct 1, 2022
Naples, FL
Gulf to Gulf 80 Mile Relay
Oct 22, 2022
Newport, OR
Dia De Los Muertos Endurance Run
Oct 29, 2022
Colorado Springs, CO
Fox Run Endurance Run
Oct 23, 2021
Bobcat Trail Races
Oct 22, 2022
East Peoria, IL
Farmdale Trail Run
Oct 8, 2022
Ardmore, OK
Lake Murray Endurance Run
Oct 29, 2022
San Jose, CA
Mt. Umunhum Trail Conquest
Oct 15, 2022
Raleigh, NC
Tuna Relay 200
Oct 28, 2022
Moscow, ID
Moscow Mountain Madness
Oct 9, 2022
Philadelphia, PA
Pennypack Trail Fest
Oct 29, 2022
Rocky Point, NY
Tesla Hertz Run
Oct 8, 2022
Charlotte, NC
WC-50 Ultra Trail Marathon
Oct 8, 2022
Emporium, PA
Sinnemahone Trail Run
Oct 15, 2022
Flower Mound, TX
Knob Hills Trail Race
Oct 1, 2022
Minneapolis, MN
Loopet Loppet
Oct 22, 2022
South Lake Tahoe, CA
Lake Tahoe Marathon Weekend
Oct 16, 2022
Oct 14, 2022
Oct 15, 2022
Guilford, CT
Bimblers Bluff 50K
Oct 23, 2022
Grand Junction, CO
Rough Canyon Trail Runs
Oct 8, 2022
Woodland Park, CO
Above the Clouds Ultra
Oct 1, 2022
Anderson, SC
Sadlers Creek Stumble
Oct 22, 2022
Oct 23, 2022
Bloomington, IN
Tecumseh Trail Marathon
Oct 22, 2022
Reading, PA
Blues Cruise 50K Trail Ultra
Oct 2, 2022
Lake Elmo, MN
Night Owl Races
Oct 8, 2022
Canandaigua, NY
Can Lake 50 Ultras
Oct 8, 2022
Camden, NJ
City Invincible Track Ultra
Oct 1, 2022
Quincy, IL
1 MPH Marathon
Oct 7, 2022
Charlestown, RI
Rhode Island Trail Classic
Oct 22, 2022
Flintstone, MD
Rocky Gap 25K, 50K, Relay Trail Run
Oct 15, 2022
Las Cruces, NM
Day of the Dead Series
Oct 29, 2022
Oct 30, 2022
Tacoma, WA
Defiance 50K
Oct 15, 2022
Cincinnati, OH
Stone Steps 50K
Oct 23, 2022
Comfort, TX
Ragnar Trail Hill Country
Oct 21, 2022
Chattanooga, TN
Rock/Creek Stump Jump Trail Race
Oct 1, 2022
The Chickamauga Fall Classic
Oct 8, 2022
Hampton, VA
Joe's Night Run at the Hamptons
Oct 8, 2022
Amherst, NH
Joe English Twilight Challenge
Oct 1, 2022
Adrian, MI
Heritage 13.1 & 50K Trail Run
Oct 23, 2022
New London, WI
Mosquito Hill Endurance Run
Oct 15, 2022
Castle Rock, CO
Castle Rock Trail Festival
Oct 1, 2022
Wildwood, MO
DeClue Loops Trail Race
Oct 22, 2022
La Crosse, WI
Hixon Trail Runs
Oct 29, 2022
Oct 30, 2022
North Augusta, SC
FATS 50K
Oct 2, 2022
Pittsburgh, PA
GAP Relay
Oct 14, 2022
St. Peter, MN
Saint Peter Halloween 5K
Oct 29, 2022
Wilsonville, OR
ORRC Autumn Leaves Run
Oct 30, 2021
Columbus, OH
Make A Day 5K
Oct 23, 2022
San Francisco, CA
Ruth Anderson Memorial Endurance Run
Oct 8, 2022
Pinkathon Challenge for Breast Cancer
Oct 22, 2022
Arlington, VA
Marine Corps Marathon
Oct 30, 2022
Cumberland, RI
Survival of the F.I.T.test 24 Hour Trail Ultra
Oct 22, 2022
Columbia, MO
Rock Bridge Revenge
Oct 8, 2022
Albion, IN
Indiana Trail 100
Oct 8, 2022
San Antonio, TX
SARR Rocky Horror Trail Run
Oct 29, 2022
San Diego, CA
Lake Hodges Trail Fest
Oct 22, 2022
Cassoday, KS
Heartland
Oct 8, 2022
Oct 7, 2022
Sturgeon Bay, WI
Fall 50 - Door County
Oct 22, 2022
Chicago, IL
Chicago Lakefront 50K/50M
Oct 29, 2022
Belmont, OH
The Barkcamp Race
Oct 1, 2022
Brainard, NE
Bohemian Alps 50K
Oct 1, 2022
Des Moines, IA
Equalizer Endurance Run
Oct 29, 2022
Grants, NM
Mt. Taylor 50K
Oct 1, 2022
Wausau, WI
IRONBULL Ultra Trail 50K
Oct 1, 2022
Baltimore, MD
Patapsco Valley 50K
Oct 29, 2022
Gills Rock, WI
Fall 50 - Door County
Oct 22, 2022
Titusville, PA
Oil Creek 100 Trail Runs
Oct 15, 2022
Vernon Hills, IL
Des Plaines River Trail Races
Oct 15, 2022
Council Bluffs, IA
Yippee-Ki-Yay 50K
Oct 22, 2022
Cooperstown, NY
Peak 2 Brew: P2B Catskills Relay
Oct 16, 2022
Simi Valley, CA
Rocky Peak Ultra Trail Race
Oct 8, 2022
Trinidad, CO
The Rad Dirt Fest
Oct 8, 2022
Whitefish, MT
Whitefish Trail Legacy Run
Oct 2, 2022
Oct 1, 2022
Wolf Creek, MT
Wolf Creek Canyon Relay
Oct 2, 2022
Tahlequah, OK
Pumpkin Holler Hunnerd
Oct 15, 2022
Gunnison, CO
Sage Burner Trail Run
Oct 15, 2022
Circleville, WV
West Virginia Trilogy
Oct 7, 2022
Oct 8, 2022
Oct 9, 2022
Steelville, MO
Ozark Trail 100 Mile Endurance Run
Oct 29, 2022
Augusta, NJ
NJ Trail Series One Day
Oct 6, 2022
Oct 7, 2022
Bruceton Mills, WV
RAF Trail Race Series
Oct 22, 2022
Granbury, TX
Dallas Spartan Trail
Oct 24, 2021
Atlantic Beach, NC
Tuna Relay 200
Oct 28, 2022
Blue Ridge, GA
Blue Ridge Ultra
Oct 8, 2022
Wilmington, OH
Broken Toe 50K
Oct 29, 2022
Hood River, OR
Gorgeous Hood to Hood Relay
Oct 8, 2022
Faust, UT
Pony Express Trail 100
Oct 14, 2022
Savage, MN
Surf The Murph
Oct 22, 2022
Pilot Mountain, NC
Pilot Mountain to Hanging Rock Ultra & Relay
Oct 1, 2022
Kaysville, UT
DC Peaks 50
Oct 1, 2022
Bellefonte, PA
Hearts for the Homeless Endurance Challenge
Oct 7, 2022
Powhatan, VA
Piedmont 8 Hour
Oct 22, 2022
Brunswick, MD
River's Edge Endurance Challenge
Oct 22, 2022
Cross Plains, WI
Ice Age Trail Odyssey
Oct 15, 2022
Oct 16, 2022
Palmer Lake, CO
24 Hours of Palmer Lake
Oct 8, 2022
Blairsville, GA
Lady of the Lake
Oct 1, 2022
Port Allen, LA
Children of the Cane
Oct 29, 2022
Burns, TN
Mo' Bell
Oct 8, 2022
Oct 9, 2022
Port St Joe, FL
50 For Florida
Oct 21, 2022
Palm Coast, FL
Jacks Trail Race
Oct 23, 2022
Alabaster, AL
Endless Mile
Oct 21, 2022
Oct 22, 2022
Wellsboro, PA
Green Monster Trail Challenge
Oct 9, 2022
Harker Heights, TX
Dana Peak Trail Run
Oct 8, 2022
Ashford, CT
NipMuck Trail Marathon
Oct 2, 2022
Middleville, MI
Yankee Springs Fall Festival
Oct 8, 2022
Gregory, MI
Hootenanny Endurance Run
Oct 22, 2022
Tillamook, OR
Elk-Kings Trail Races
Oct 15, 2022
Old Fort, NC
Leadmine Nine
Oct 1, 2022
Alachua, FL
Gate2Gate Trail Run
Oct 22, 2022
Garrison, NY
Castle to River Run
Oct 30, 2022
Los Olivos, CA
Back on the Ranch
Oct 1, 2022
Pisgah Forest, NC
Clawhammer Mountain 50k
Oct 15, 2022
Pisgah 55.5K Running Race
Oct 22, 2022
Prineville, OR
HTC High Desert
Oct 1, 2022
Moncks Corner, SC
Revenge of the Stede Bonnet
Oct 8, 2022
Farmersville, TX
Oktoberfest Trail Run
Oct 8, 2022
Lillington, NC
Cape Fear 24H Endurance Run
Oct 8, 2022
Priest Lake, ID
Priest Lake Marathon and 50K
Oct 1, 2022
Palo Duro Canyon State Park, TX
Palo Duro Trail Run
Oct 15, 2022
Kansasville, WI
Wolf Pack Trail Run & Relay
Oct 8, 2022
Borden, IN
Knobstone Knockout
Oct 9, 2022
Sebastopol, CA
Gravenstein 8 Hour
Oct 30, 2021
Dugway, UT
Dugway Trail and Ultra Run
Oct 2, 2021
Hookstown, PA
Resilient Service Members Classic
Oct 29, 2022
Gladstone, VA
James River Trail Runs
Oct 1, 2022
Sylvan Grove, KS
Hell Creek 100
Sep 30, 2022
Oct 1, 2022
Rockwood, TN
Ozone Endurance Challenge
Oct 26, 2022
Jamestown, TN
No Business 100
Oct 14, 2022
Sedalia, CO
Indian Creek Fifties
Oct 15, 2022
Norton, VA
Cloudsplitter 100
Oct 15, 2022
La Crosse, VA
Thoroughbred Races
Oct 2, 2021
Beatty, NV
Beatty's Backyard Ultra
Oct 15, 2022
Olga, WA
Orcas Island 50K - Fall
Oct 1, 2022
Peosta, IA
Swiss Valley Trail Races
Oct 1, 2022
Polebridge, MT
Le Grizz Ultramarathon
Oct 8, 2022
Pocahontas, TN
Walking Tall 50K/25K
Oct 15, 2022
Bainbridge, OH
Pike Lake Ultramarathon
Oct 22, 2022
Mill Spring, NC
Wine & Dine 3 - 6 - 9 Hour Ultra
Oct 29, 2022
Pamplin, VA
High Bridge Ultra 50K
Oct 8, 2022
Waterville, PA
Wilds Mountain Fest
Oct 23, 2022
Sultan, WA
Osprey Ambler
Oct 1, 2022
Grapeland, TX
Mission Tejas Trail Run
Oct 22, 2022
Canton, SD
Glacier Hills Ultra
Oct 22, 2022
Navajo Mountain, UT
Naatsisaan Trail Ultra
Oct 29, 2022
Blue River, OR
Old Cascadia
Oct 15, 2022
Mammoth Cave, KY
Mammoth Cave 50K 25K
Oct 22, 2022
Upper Black Eddy, PA
Muleskinner
Oct 15, 2022
North Bend, PA
Black Forest Ultra 100K
Oct 2, 2022
Vesuvius, VA
Monte Vino Races - 12 Ridges Vineyard
Oct 23, 2021
Westfir, OR
Westfir 50K
Oct 23, 2022
Glenbeulah, WI
Reaper
Oct 30, 2021
Los Osos, CA
Spooner's Cove
Oct 16, 2022
Baker Lake, WA
Baker Lake 50K
Oct 1, 2022
Withlacoochee State Forest, FL
John Holmes Trail Run
Oct 1, 2022
Long Hunter State Park, TN
Long Hunter Trail Runs
Oct 8, 2022
Chihuahuan Desert, TX
Trans-Pecos Ultra
Oct 16, 2022
Hinckley, MN
Fire Tower Trail Races
Oct 1, 2022
Millston, WI
Black River Trail Classic
Oct 22, 2022
Lamy, NM
Feral Hog 50k
Oct 8, 2022
Champion, PA
Roaring Run
Oct 8, 2022
Union Creek, OR
Rogue Gorge
Oct 15, 2022
Oct 16, 2022
Springville, IN
Avoca Daze 5 Hour Endurance Race
Oct 15, 2022
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City Location
Featured Listing
1. Pike Lake Ultramarathon
-
Oct 22, 2022Saturday
-
50K, 10K trail run
More Information
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Bainbridge, OH
Ross County, OH
1. Above the Clouds Ultra
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Oct 1, 2022Saturday
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50K, 10K trail run
More Information
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Woodland Park, CO
Teller County, CO
2. Arkansas Traveller 100
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Oct 1, 2022Saturday
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100M trail run
More Information
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Perryville, AR
Perry County, AR
3. Back on the Ranch
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Oct 1, 2022Saturday
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24H, 12H, 6H run
More Information
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Los Olivos, CA
Santa Barbara County, CA
4. Baker Lake 50K
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Oct 1, 2022Saturday
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50K trail run
More Information
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Baker Lake, WA
Whatcom County, WA
5. Bohemian Alps 50K
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Oct 1, 2022Saturday
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50K run
More Information
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Brainard, NE
Butler County, NE
6. Castle Rock Trail Festival
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Oct 1, 2022Saturday
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50K, 13.1M, 10K, 5K trail run
More Information
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Castle Rock, CO
Douglas County, CO
7. City Invincible Track Ultra
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Oct 1, 2022Saturday
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24H, 12H, 6H run
More Information
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Camden, NJ
Camden County, NJ
8. Crested Butte Ultra
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Oct 1, 2022Saturday
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105K, 55K trail run
More Information
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Crested Butte, CO
Gunnison County, CO
9. CrossRun Series #1
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Oct 1, 2022Saturday
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6H, 5K run | kids run
More Information
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Westwego, LA
Jefferson County, LA
10. DC Peaks 50
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Oct 1, 2022Saturday
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50M trail run
More Information
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Kaysville, UT
Davis County, UT
11. Dirt Circuit
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Oct 1, 2022Saturday
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24H, 12H trail run | 24H, 12H relay
More Information
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Morristown, TN
Hamblen County, TN
12. Fire Tower Trail Races
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Oct 1, 2022Saturday
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100K, 50K, 35K, 11K trail run
More Information
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Hinckley, MN
Pine County, MN
13. Hell Creek 100
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Oct 1, 2022Saturday
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140M, 100M, 100K, 20M trail run
More Information
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Sylvan Grove, KS
Lincoln County, KS
14. Hennepin Hundred
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Oct 1, 2022Saturday
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100M, 50M, 50K trail run
More Information
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Sterling, IL
Whiteside County, IL
15. HTC High Desert
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Oct 1, 2022Saturday
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71M relay
More Information
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Prineville, OR
Crook County, OR
16. IRONBULL Ultra Trail 50K
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Oct 1, 2022Saturday
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50K, 25K, 15K trail run
More Information
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Wausau, WI
Marathon County, WI
17. James River Trail Runs
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Oct 1, 2022Saturday
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50M, 50K, 10M trail run | 50M relay
More Information
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Gladstone, VA
Nelson County, VA
18. Joe English Twilight Challenge
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Oct 1, 2022Saturday
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6H, 26.2M, 13.1M trail run | 26.2M, 13.1M relay
More Information
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Amherst, NH
Hillsborough County, NH
19. John Holmes Trail Run
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Oct 1, 2022Saturday
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50K, 16M, 9M trail run
More Information
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Withlacoochee State Forest, FL
Hernando County, FL
20. Knob Hills Trail Race
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Oct 1, 2022Saturday
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100K, 50K, 25K, 10K trail run
More Information
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Flower Mound, TX
Denton County, TX
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.