50Ms in the USA
Snoqualmie, WA
Mt. Si Relay & Trail Runs
Apr 21, 2024
Marquette, MI
Marquette Trail 50
Aug 16, 2025
Aug 15, 2025
Lima, OH
UnitedAF Ultramarathon
Oct 19, 2024
Nashville, IN
Dances With Dirt - Gnaw Bone
May 17, 2025
Baraboo, WI
Dances With Dirt - Devil's Lake
Jul 12, 2025
Potosi, MO
Berryman Marathon & 50 Miler
May 17, 2025
Greenbush, WI
Glacial Trail 50 Mile & 50K
Oct 13, 2024
Fairbanks, AK
Drew's Angel Creek 50
Aug 3, 2024
Wenatchee, WA
Devil's Gulch
Jul 12, 2025
Saint Paul, MN
Couple Shuffle
Feb 8, 2025
Lake Texoma, TX
Cross Timbers Trail Run
Mar 1, 2025
Damascus, VA
Iron Mountain 50, 30, 16 Mile Trail Run
Aug 30, 2025
Pittsfield, MA
Free to Run Trail Races
Sep 14, 2024
Montana City, MT
HURL Elkhorn Endurance Runs
Aug 2, 2025
Willard, MO
Frisco Railroad Run
Apr 26, 2025
Sterling, IL
Hennepin Hundred
Oct 4, 2025
Sacramento, CA
Jed Smith Ultra
Feb 1, 2025
Wichita, KS
Summer Sizzler
Aug 2, 2025
Flagstaff, AZ
Flagstaff Sky Peaks Mountain Runs
Sep 27, 2025
Fountain Hills, AZ
McDowell Mountain Frenzy Trail Runs
Dec 7, 2024
Alexander City, AL
Lake Martin 100
Apr 5, 2025
Manhattan, KS
Flint Hills 50 and Marathon
Apr 12, 2025
Dalton, GA
Georgia Jewel
Sep 20, 2025
Sep 19, 2025
Waynesville, OH
Dawg Gone Long Run
Jun 29, 2024
Easton, WA
Ultra Fest
Sep 21, 2024
Douglas, MA
Midstate Massive Ultra Trail
Oct 11, 2025
Staten Island, NY
NYC Trail Mix
Nov 16, 2024
Maplewood, NJ
FallApple
Sep 7, 2024
Febapple Frozen Fifty
Feb 22, 2025
Bend, OR
Oregon Cascades 100
Aug 23, 2025
Boalsburg, PA
Tussey Mountainback 50 Mile Relay and Ultra
Oct 27, 2024
Saint George, UT
Lake to Lake Relay and Ultra
Mar 1, 2025
Nashville, TN
Nashville Ultramarathon
Oct 19, 2024
Honolulu, HI
Hawaii Kai Ultra Run - Kalama Valley
Dec 14, 2024
Hawaii Kai Ultra Run - XTreme
Jul 26, 2025
Jul 27, 2025
Boulder City, NV
Blood, Sweat & Beers
Mar 30, 2024
Bootleg Boogie Trail Race
Feb 1, 2025
Sedona, AZ
Vortex Ultra Experience
Apr 19, 2025
New Paltz, NY
Rock The Ridge
May 3, 2025
Crested Butte, CO
Crested Butte Ultra
Sep 27, 2025
Jacksonville Beach, FL
Daytona 100 Ultra
Dec 14, 2024
Carlisle, MA
TARC Fall Classic
Sep 7, 2024
Mayville, WI
Arctic Frog Run
Dec 21, 2024
Colorado Springs, CO
Ring the Springs
Jun 22, 2024
Jun 23, 2024
Pikes Peak Ultra
Jul 26, 2025
Fairmont, WV
Wild Turkey Trail Runs
Aug 17, 2024
East Peoria, IL
Farmdale Trail Run
Oct 12, 2024
Cave Creek, AZ
Elephant Mountain Trail Runs
Feb 1, 2025
Lake City, CO
San Juan Solstice 50 Mile
Jun 21, 2025
Monterey, CA
Monterey Ultra
Jan 25, 2025
McClellanville, SC
The Swamp Fox Ultra
Nov 23, 2024
Brownsville, VT
Vermont 50 Ultra Run
Sep 28, 2025
Lake Tahoe, NV
Tahoe Rim Trail Endurance Runs
Jul 19, 2025
Philadelphia, PA
Dirty German Endurance Fest
May 10, 2025
Rocky Point, NY
Tesla Hertz Run
Oct 12, 2024
Charlotte, NC
WC-50 Ultra Trail Marathon
Oct 4, 2025
Fruita, CO
Kessel Run Ultra
Nov 9, 2024
Wilmington, NC
Southern Tour Ultra
Jan 17, 2025
Richland, WA
Badger Mountain Challenge
Mar 21, 2025
Hector, NY
Finger Lakes 50s
Jun 29, 2024
Lawrence, KS
Hawk Hundred
Sep 6, 2025
Syracuse, UT
Antelope Island Buffalo Run
Mar 28, 2025
Ottawa, KS
Kansas Rails-to-Trails Extravaganza
Oct 26, 2024
Prairie Spirit Trail Ultra Races
Mar 22, 2025
Canandaigua, NY
Can Lake 50 Ultras
Oct 12, 2024
Steamboat Springs, CO
Run Rabbit Run
Sep 13, 2025
Sep 12, 2025
Moab, UT
Dead Horse Ultra
Nov 16, 2024
Arches Ultra
Jan 25, 2025
Moab Red Hot Ultra
Feb 22, 2025
Behind the Rocks
Mar 22, 2025
Canyonlands Ultra
Oct 25, 2025
Buena Vista, CO
Collegiate Peaks Trail Run
May 3, 2025
Huntsville, AL
Dizzy Fifties
Nov 16, 2024
Pittsfield, VT
Peak Bloodroot Ultra
May 10, 2024
May 11, 2024
May 8, 2024
Graham, TX
Hidden Hills Ultra
Apr 26, 2025
Sylacauga, AL
Rebecca Mountain 50 Miler
Sep 7, 2024
Charlottesville, VA
Bel Monte Endurance Races
Mar 15, 2025
Virgil, NY
Virgil Crest Ultras
Sep 14, 2024
Palmer, AK
MatSu Relay
Sep 21, 2024
Tacoma, WA
Rainier to Ruston Relay
Jun 7, 2025
Ashland, OR
Siskiyou Out Back Trail Run
Jul 13, 2024
Key West, FL
KEYS100
May 17, 2025
Chattanooga, TN
Lookout Mountain 50 Miler
Dec 21, 2024
DoNot Stop Half Marathon (5K/10K)
Apr 13, 2025
Lake Hughes, CA
Leona Divide
Apr 12, 2025
Silverado, CA
That's No Moon
Sep 28, 2024
Ipswich, MA
TARC Stone Cat Trail Festival
Nov 2, 2024
Decatur, TX
Grasslands Trail Run
Mar 15, 2025
Columbia, SC
Firebreak Running Festival
Jun 1, 2024
Bishop, CA
Bishop High Sierra Ultras
May 17, 2025
Cleburne, TX
Coyote Trail Run
Apr 19, 2025
Manistee, MI
North Country Trail Run
Aug 23, 2025
Aug 24, 2025
Brooksville, FL
Croom Fools Run
Apr 6, 2024
Memphis, TN
Big Buffalo 50
Mar 23, 2024
Wildwood, MO
Ozark Foothills
Apr 5, 2025
Apr 6, 2025
Peninsula, OH
Fools Trail Race
May 25, 2024
Pittsburgh, PA
Hell Hath No Hurry
Jun 30, 2024
Huntsville, TX
Rocky 50 Trail Race
Feb 8, 2025
Cuyahoga Falls, OH
Burning River 100 Mile Endurance Run
Jul 26, 2025
Prescott, AZ
Man Against Horse Race
Oct 19, 2024
Pinckney, MI
Run Woodstock
Sep 5, 2025
Sep 6, 2025
Sep 7, 2025
Smyrna, GA
Underground Circus 100
May 24, 2025
Winthrop, WA
Sun Mountain
May 19, 2024
May 18, 2024
Thurmond, WV
Highball to Thurmond Ultra & Relay
May 18, 2025
Goodyear, AZ
Fat Ox
Nov 22, 2024
Tucson, AZ
AZT Oracle Rumble
Jan 25, 2025
San Francisco, CA
Golden Gate Trail Classic
Nov 23, 2024
Nov 24, 2024
Ruth Anderson Memorial Endurance Run
Oct 11, 2025
Alexandria, LA
Wild Azalea Trail Challenge
Jan 4, 2025
Avalon, CA
Avalon Benefit 50 Mile
Jan 11, 2025
Lone Pine, CA
Wild Wild West Marathon
Oct 5, 2024
Elkton, MD
Phunt 25K/50K Trail Race
Jan 18, 2025
Boston, MA
TARC Don't Run Boston Races
Apr 19, 2025
Oklahoma City, OK
Turkey Trails
Nov 2, 2024
Rockford, MI
Fred Running Relays
Jul 11, 2025
Jul 12, 2025
New Preston, CT
Jack Bristol Lake Waramaug Ultra Races
Apr 27, 2025
La Grange, WI
Ice Age Trail Run
May 10, 2025
Vernal, UT
Mountain Madness
Aug 10, 2024
Clifton, VA
Bull Run Run 50 Mile
Apr 5, 2025
Boonsboro, MD
JFK 50 Mile
Nov 23, 2024
Palm Springs, CA
Beyond Limits Ultra
Apr 3, 2024
Franklin, TN
Natchez Trace Trail Run
Nov 2, 2024
Albion, IN
Indiana Trail 100
Oct 12, 2024
West Columbia, TX
Grit Ultra Endurance Challenge
Dec 31, 2024
Smithville, TX
Hells Hills Trail Race
Apr 5, 2025
San Diego, CA
Pacific Crest Trail 50 (PCT 50)
May 10, 2025
Albany, GA
Chehaw Challenge
Jan 25, 2025
Tuscaloosa, AL
The Phoenix Trail Fest
Apr 20, 2024
Cassoday, KS
Heartland
Oct 11, 2025
Oct 10, 2025
Waddell, AZ
Mesquite Canyon Trail Runs
Mar 8, 2025
Sturgeon Bay, WI
Fall 50 - Door County
Oct 25, 2025
Chicago, IL
Chicago Lakefront 50K/50M
Nov 2, 2024
Los Alamos, NM
Jemez Mountain Trail Runs
May 10, 2025
Greenville, SC
Longest Night Trail Run
Dec 21, 2024
Millburn, NJ
Mayapple Trail Run
May 17, 2025
Grand Rivers, KY
Land Between the Lakes Trail Runs
Mar 8, 2025
Grand Rapids, MI
All American 4 and 8 Mile
Jun 29, 2025
Freeport, ME
Farm To Farm Ultra
Sep 29, 2024
Little Rock, AR
Ouachita Trail 50 Endurance Run
Apr 12, 2025
Decatur, AL
Delano Park
Mar 8, 2025
Timothy Lake, OR
Mt. Hood 50 Races
Jul 12, 2025
Jul 13, 2025
Leadville, CO
Leadville Silver Rush 50M Trail Run Race
Jul 12, 2025
West Orange, NJ
Squatchapple Trail Race
Mar 8, 2025
Pocatello, ID
Scout Mountain Ultras
Jun 8, 2024
Jun 7, 2024
Warda, TX
Wild Hare Trail Run
Nov 16, 2024
Brooklyn, NY
PPTC 50 Mile Endurance Fest
Dec 1, 2024
Loudonville, OH
Mohican 100 Mile, 50 Mile and Marathon Runs
Jun 1, 2025
Castro Valley, CA
Dick Collins Firetrails
Sep 27, 2025
Ithaca, NY
Cayuga Trails 50
May 31, 2025
Sonoita, AZ
Old Pueblo Endurance Runs
Mar 1, 2025
Gills Rock, WI
Fall 50 - Door County
Oct 25, 2025
Waterville Valley, NH
Jigger Johnson Ultras
Aug 15, 2025
Pelham, AL
Blood Rock 100
Dec 7, 2024
Dec 6, 2024
Wilburton, OK
Outlaw 100
Feb 8, 2025
Terrebonne, OR
Run the Rock
Nov 9, 2024
Smith Rock Classic
May 31, 2025
Portersville, PA
Glacier Ridge Trail Ultra
May 11, 2024
Wendover, UT
Salt Flats Endurance Runs
May 2, 2025
Morehead, KY
Big Turtle 2.0
Apr 26, 2025
Waynesville, MO
Bad Dawg Ultra
Aug 16, 2025
Circleville, WV
West Virginia Trilogy
Oct 11, 2024
Oct 12, 2024
Oct 13, 2024
Pine, CO
North Fork 50M/50K
May 31, 2025
Mesquite, NV
Flat Top Mesa Endurance Run
Feb 28, 2025
Mar 1, 2025
Grandmaster Ultras
Mar 1, 2025
Mar 2, 2025
Healdsburg, CA
Lake Sonoma 50
Apr 12, 2025
Yacolt, WA
Hellz Bellz
Jun 30, 2024
Blue Ridge, GA
Cruel Jewel 50
May 17, 2025
Dover, OH
Tuscazoar Endurance Race
Aug 30, 2025
Sturgis, SD
Black Hills 100
Jun 27, 2025
Jun 28, 2025
London, KY
Y'Allhalla Ultras
Jun 7, 2025
Faust, UT
Pony Express Trail 100
Oct 17, 2025
Lanesboro, PA
Viaduct Trail Ultramarathon
Jul 13, 2024
Savage, MN
Surf The Murph
Oct 18, 2025
Brownstown, IN
Jackson County 50-50 Ultra
Dec 7, 2024
Pilot Mountain, NC
Pilot Mountain to Hanging Rock Ultra & Relay
Sep 28, 2024
Kaysville, UT
DC Peaks 50
Oct 4, 2025
Honey Creek, IA
Hitchcock Experience
Dec 7, 2024
Ashburnham, MA
Wapack and Back Trail Races
May 10, 2025
Monticello, UT
Bears Ears Ultra
Jun 21, 2025
Escondido, CA
San Diego 50 and Trail Runs
Jan 11, 2025
Waxahachie, TX
Hachie 50
Mar 1, 2025
Flagler Beach, FL
Oceans 50 Relay Race
Jan 25, 2025
Wellsboro, PA
Pine Creek Challenge
Sep 7, 2024
Port Aransas, TX
Barrier Island Ultra
Nov 9, 2024
East Ridge, TN
ER 50
Feb 1, 2025
Claude, TX
Conquer the Canyon Trail Race
Sep 14, 2024
Caseville, MI
Thumb Coast Ultra & Relay
Apr 26, 2025
Vienna, IL
Tunnel Hill 100
Nov 9, 2024
Nov 10, 2024
Belmont, MI
Midwest Everest
Sep 27, 2025
Holly Springs, NC
Sugg Farm Ultra
Sep 13, 2025
Loxahatchee, FL
JW Corbett Trail Races
Apr 5, 2025
Cordesville, SC
Wambaw Swamp Stomp
May 11, 2024
Shepherdsville, KY
Crooked Creek Ultra Trail Race
Dec 7, 2024
Dec 8, 2024
Broken Arrow, OK
Bandit Blaze - Some Like It Hot
Aug 1, 2024
Big Rapids, MI
Hungerford Trail Races
Sep 27, 2025
Middleburg, FL
Festivus 50 Miler Trail Run
Dec 7, 2024
Theilman, MN
Zumbro Endurance Run
Apr 11, 2025
Apr 12, 2025
Byers, CO
BINGO! Trail Party
Nov 9, 2024
Palo Duro Canyon State Park, TX
Palo Duro Trail Run
Oct 19, 2024
Westcliffe, CO
Sangre de Cristo Ultras
Sep 27, 2025
Sep 28, 2025
Custer, SD
Lean Horse
Aug 15, 2025
Aug 16, 2025
Borden, IN
Knobstone 50
Apr 19, 2025
Blodgett, OR
Marys Peak Trail Run
Jun 14, 2025
Parkdale, OR
Wy'east Wonder
Jun 28, 2025
Sewanee, TN
Rim Runner
Apr 12, 2025
Canal Fulton, OH
Get Lucky 50/50
Mar 15, 2025
Eagle Up Ultra
Jun 7, 2025
Coon Rapids, IA
Whiterock Ultra
Jul 27, 2024
Gladstone, VA
James River Trail Runs
Apr 12, 2025
Bethera, SC
Hell Hole Hundred
Jun 6, 2025
Jun 7, 2025
Frater Lake, WA
Kaniksu Ultras
Jun 8, 2024
Montgomery Village, MD
Stone Mill 50M Run
Nov 9, 2024
Sedalia, CO
Indian Creek Trail Runs
Oct 18, 2025
Cimarron, NM
Philmont Trail Race
Aug 3, 2024
Quanah, TX
Chupacabra 50
May 3, 2025
Saint Regis, MT
Trail Rail Run
Jun 21, 2025
Ida Grove, IA
Trail of the Dragon 50K/50M
Aug 3, 2024
Stony Point, NY
Suffer'n Bear Ultra
Sep 28, 2024
Port Gamble, WA
Lumberjack Endurance Runs
Jun 8, 2024
Logandale, NV
Fire Fest Ultra
Nov 23, 2024
Nov 24, 2024
Nov 22, 2024
Polebridge, MT
Le Grizz Ultramarathon & Relay
Oct 11, 2025
Pawhuska, OK
Flower Moon
May 10, 2025
La Veta, CO
Cuchara Trail Runs
Jun 15, 2024
Wakulla Springs, FL
Tallahassee Ultra Distance Classic
Dec 14, 2024
Flovilla, GA
Bootlegger
Apr 5, 2025
Ellsworth, KS
Rockin K Trail Runs
Apr 6, 2024
Fort Collins, CO
Quad Rock 50
May 11, 2024
Hatch, UT
Bryce Canyon Ultras
Sep 20, 2025
Poland, IN
OPSF50|50
Mar 22, 2025
Granger, IA
Stuffed Turkey Endurance Races
Nov 23, 2024
Chesterfield, MA
Chesterfield Gorge Ultra and 25K Race
Jun 1, 2024
Jun 2, 2024
Upper Black Eddy, PA
Muleskinner
Oct 19, 2024
Spencer, TN
Frozen Falls
Feb 3, 2024
La Sal, UT
UTE 100
Aug 2, 2025
Fifty-Six, AR
Three Days of Syllamo Stage Race
Mar 14, 2025 - Day One
Mar 15, 2025 - Day Two
Mar 16, 2025 - Day Three
Kalaheo, HI
The Kauai 50
Aug 3, 2024
Greenwater, WA
White River 50 Mile and 50K
Jul 27, 2024
Chehalis, WA
Willapa Trail Festival
Nov 9, 2024
Grand Mesa, CO
Grand Mesa Ultras
Jul 27, 2024
Christmas, FL
Forgotten Florida
Feb 1, 2025
Orcas Island, WA
Orcas Island Trail Runs
Apr 27, 2024
Apr 28, 2024
Grayson Highlands State Park, VA
Grayson Highlands
May 4, 2025
May 3, 2025
Red Feather Lakes, CO
Red Feather Trail Jamboree
Sep 21, 2024
Sep 20, 2024
Sep 22, 2024
Brazos Bend State Park, TX
Brazos Bend 50
Apr 5, 2025
Half Day Forest Preserve, IL
Des Plaines River Trail Races
Oct 12, 2024
Stark, NH
Kilkenny Ridge Race
Sep 20, 2025
Durham, KS
Santa Fe Jornado
Jan 27, 2024
Summerville, PA
Baker Trail UltraChallenge
Aug 23, 2025
Edmunds, ME
Cobscook Backyard Ultra
Apr 21, 2024
Shawnee State Park, OH
Shawnee Trail Runs
Oct 5, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Fort Ord Trail Run and Monterey Ultra
-
Past DateJan 27, 2024Saturday
-
50M, 50K, 25K, 10K trail run
More Information
-
Salinas, CA
Monterey County, CA
2. Santa Fe Jornado
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Past DateJan 27, 2024Saturday
-
100K, 50M, 50K trail run
More Information
-
Durham, KS
Marion County, KS
3. Frozen Falls
-
CancelledFeb 3, 2024Saturday
-
50M, 50K, 13.1M, 10K trail run
More Information
-
Spencer, TN
Van Buren County, TN
4. Border to Badlands Ultra
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Past DateMar 2, 2024Saturday
-
50M, 50K, 26.2M, 13.1M, 10K, 5K trail run
More Information
- Comstock, TX
5. Big Buffalo 50
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Past DateMar 23, 2024Saturday
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50M, 50K run | 50K relay
More Information
-
Memphis, TN
Shelby County, TN
6. Blood, Sweat & Beers
-
CancelledMar 30, 2024Saturday
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50M, 50K, 30K, 13.1M, 10K, 5K trail run
More Information
-
Boulder City, NV
Clark County, NV
7. Beyond Limits Ultra
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Past DateApr 3, 2024Wednesday
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72H, 48H, 200M, 24H, 100M, 50M, 50K trail run
More Information
-
Palm Springs, CA
Riverside County, CA
8. Croom Fools Run
-
Past DateApr 6, 2024Saturday
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50M, 50K, 16M trail run
More Information
-
Brooksville, FL
Hernando County, FL
9. Rockin K Trail Runs
-
Past DateApr 6, 2024Saturday
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50M, 26.2M trail run
More Information
-
Ellsworth, KS
Ellsworth County, KS
10. The Phoenix Trail Fest
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Past DateApr 20, 2024Saturday
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62.5M, 50M, 37.5M, 25M, 12.5M, 4M trail run
More Information
-
Tuscaloosa, AL
Tuscaloosa County, AL
11. Cobscook Backyard Ultra
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Past DateApr 21, 2024Sunday
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50M, 50K run | 50M, 50K relay
More Information
-
Edmunds, ME
Washington County, ME
12. Mt. Si Relay & Trail Runs
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Past DateApr 21, 2024Sunday
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50M, 50K, 26.2M, 13.1M trail run | 58M relay
More Information
-
Snoqualmie, WA
King County, WA
13. Orcas Island Trail Runs
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Past DateApr 27, 2024Saturday
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50M, 26.2M trail run
More Information
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Orcas Island, WA
San Juan County, WA
14. Glacier Ridge Trail Ultra
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Past DateMay 11, 2024Saturday
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50M, 50K, 30K trail run | 50M relay
More Information
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Portersville, PA
Butler County, PA
15. Peak Bloodroot Ultra
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Past DateMay 11, 2024Saturday
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50M, 50K, 10M trail run
More Information
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Pittsfield, VT
Rutland County, VT
16. Quad Rock 50
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Past DateMay 11, 2024Saturday
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50M, 25M trail run
More Information
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Fort Collins, CO
Larimer County, CO
17. Wambaw Swamp Stomp
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CancelledMay 11, 2024Saturday
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50M, 50K trail run
More Information
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Cordesville, SC
Berkeley County, SC
18. Sun Mountain
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Past DateMay 18, 2024Saturday
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50M, 50K trail run
More Information
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Winthrop, WA
Okanogan County, WA
19. Fools Trail Race
-
Past DateMay 25, 2024Saturday
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100K, 50M, 50K, 25K trail run
More Information
-
Peninsula, OH
Summit County, OH
20. Chesterfield Gorge Ultra and 25K Race
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Past DateJun 1, 2024Saturday
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100M, 100K, 50M, 50K trail run
More Information
-
Chesterfield, MA
Hampshire County, MA
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.