50Ms in the USA
Snoqualmie, WA
Mt. Si Relay & Trail Runs
Apr 23, 2023
Virginia Beach, VA
Fumb Ducks - Cannonball Run
Jun 10, 2023
Marquette, MI
Marquette Trail 50
Aug 19, 2023
Aug 18, 2023
Indianapolis, IN
Indy Piston Endurance Run
Jun 3, 2023
Sausalito, CA
Marin Ultra Challenge
Jun 3, 2023
Nashville, IN
Dances With Dirt - Gnaw Bone
May 20, 2023
Baraboo, WI
Dances With Dirt - Devil's Lake
Jul 8, 2023
Portland, OR
Gorgeous Relay
Sep 16, 2023
Potosi, MO
Berryman Marathon & 50 Miler
May 20, 2023
Wantagh, NY
Ocean to Sound 50 Mile Relay
Sep 25, 2022
Greenbush, WI
Glacial Trail 50 Mile & 50K
Oct 8, 2023
Fairbanks, AK
Drew's Angel Creek 50
Aug 12, 2023
Wenatchee, WA
Devil's Gulch
Jul 15, 2023
Lake Texoma, TX
Cross Timbers Trail Run
Mar 4, 2023
Damascus, VA
Iron Mountain 50, 30, 16 Mile Trail Run
Sep 2, 2023
Pittsfield, MA
Free to Run Trail Races
Sep 17, 2022
Willard, MO
Frisco Railroad Run
Apr 29, 2023
Sterling, IL
Hennepin Hundred
Oct 7, 2023
Sacramento, CA
Jed Smith Ultra
Feb 4, 2023
Fountain Hills, AZ
McDowell Mountain Frenzy Trail Runs
Dec 2, 2023
Midway, UT
Woman of Steel Relay
Sep 24, 2022
Ellerbe, NC
Bethel Hill Moonlight Boogie
Jun 10, 2023
Alexander City, AL
Lake Martin 100
Mar 25, 2023
Manhattan, KS
Flint Hills 50 and Marathon
Apr 15, 2023
Dalton, GA
Georgia Jewel
Sep 16, 2023
Sep 15, 2023
Waynesville, OH
Dawg Gone Long Run
Jul 8, 2023
Douglas, MA
Midstate Massive Ultra Trail
Oct 7, 2023
Abingdon, VA
Yeti 100 Mile Endurance Run
Sep 29, 2023
Staten Island, NY
NYC Trail Mix
Nov 18, 2023
Maplewood, NJ
Febapple Frozen Fifty
Feb 25, 2023
FallApple
Sep 9, 2023
Boalsburg, PA
Tussey Mountainback 50 Mile Relay and Ultra
Oct 22, 2023
Nashville, TN
Nashville Ultra
Oct 21, 2023
Honolulu, HI
Hawaii Kai Ultra Run - XTreme
Jul 23, 2022
Boulder City, NV
Blood, Sweat & Beers
Mar 30, 2024
New Paltz, NY
Rock The Ridge
May 6, 2023
Gilford, NH
Gunstock TrailFest
Jun 25, 2023
Jun 24, 2023
Leesport, PA
Naked Prussian Marathon & 50 Miler
Apr 2, 2022
Crested Butte, CO
Crested Butte Ultra
Sep 30, 2023
Jacksonville Beach, FL
Daytona 100 Ultra
Dec 9, 2023
Carlisle, MA
TARC Fall Classic
Sep 9, 2023
Mayville, WI
Arctic Frog Run
Dec 16, 2023
Colorado Springs, CO
Ring the Springs
Jun 17, 2023
Jun 18, 2023
Pikes Peak Ultra
Jul 29, 2023
East Peoria, IL
Farmdale Trail Run
Oct 7, 2023
Cave Creek, AZ
Elephant Mountain Trail Runs
Feb 3, 2024
San Jose, CA
Mt. Umunhum Ultras
Jun 10, 2023
Raleigh, NC
Umstead 100 Mile Endurance Run
Apr 6, 2024
Lake City, CO
San Juan Solstice 50 Mile
Jun 24, 2023
McClellanville, SC
Cooter Creek 50 Mile Trail Race
Apr 22, 2023
Swamp Fox Ultra
Nov 18, 2023
Brownsville, VT
Vermont 50 Ultra Run
Sep 24, 2023
Lake Tahoe, NV
Tahoe Rim Trail Endurance Runs
Jul 15, 2023
Philadelphia, PA
Dirty German Endurance Fest
May 20, 2023
Rocky Point, NY
Tesla Hertz Run
Oct 7, 2023
Charlotte, NC
WC-50 Ultra Trail Marathon
Oct 7, 2023
Fruita, CO
Kessel Run Ultra
Nov 11, 2023
Sebastian, FL
Saint Sebastian 100
Nov 12, 2022
Wilmington, NC
Southern Tour Ultra
Jan 19, 2024
Richland, WA
Badger Mountain Challenge
Mar 24, 2023
Grand Junction, CO
Rough Canyon Trail Runs
Oct 8, 2022
Hector, NY
Finger Lakes 50s
Jun 24, 2023
Lawrence, KS
Hawk Hundred
Sep 10, 2022
Ottawa, KS
Kansas Rails-to-Trails Extravaganza
Oct 28, 2023
Prairie Spirit Trail Ultra Races
Mar 23, 2024
Canandaigua, NY
Can Lake 50 Ultras
Oct 7, 2023
Steamboat Springs, CO
Run Rabbit Run
Sep 16, 2023
Sep 15, 2023
Moab, UT
Canyonlands Ultra
Oct 28, 2023
Dead Horse Ultra
Nov 18, 2023
Arches Ultra
Jan 27, 2024
Moab Red Hot Ultra
Feb 24, 2024
Behind the Rocks
Mar 23, 2024
Buena Vista, CO
Collegiate Peaks Trail Run
May 6, 2023
Huntsville, AL
Dizzy Fifties
Nov 18, 2023
Pittsfield, VT
Peak Bloodroot Ultra
May 10, 2024
May 11, 2024
May 8, 2024
Graham, TX
Hidden Hills Ultra
May 6, 2023
Sylacauga, AL
Rebecca Mountain 50 Miler
Sep 9, 2023
Charlottesville, VA
Bel Monte Endurance Races
Mar 11, 2023
Virgil, NY
Virgil Crest Ultras
Sep 9, 2023
Ashland, OR
Siskiyou Out Back Trail Run
Jul 8, 2023
Willoughby Hills, OH
Burning River 100 Mile Endurance Run
Jul 29, 2023
Key West, FL
KEYS100
May 20, 2023
Chattanooga, TN
Lookout Mountain 50 Miler
Dec 16, 2023
Lake Hughes, CA
Leona Divide
Apr 20, 2024
Silverado, CA
That's No Moon
Sep 23, 2023
Decatur, TX
Grasslands Trail Run
Mar 18, 2023
Lynchburg, VA
Mountain Masochist Trail Run
Nov 4, 2023
Columbia, SC
Firebreak Running Festival
May 13, 2023
Bishop, CA
Bishop High Sierra Ultras
May 20, 2023
Cleburne, TX
Coyote Trail Run
Apr 22, 2023
Manistee, MI
North Country Trail Run
Aug 26, 2023
Aug 27, 2023
Brooksville, FL
Croom Fools Run
Apr 1, 2023
Memphis, TN
Big Buffalo 50
Mar 25, 2023
Wildwood, MO
Ozark Foothills
Apr 6, 2024
Apr 7, 2024
Pittsburgh, PA
Hell Hath No Hurry
Jul 1, 2023
Huntsville, TX
Rocky 50 Trail Race
Feb 10, 2024
Prescott, AZ
Man Against Horse Race
Oct 28, 2023
Pinckney, MI
Run Woodstock
Sep 8, 2023
Sep 9, 2023
Sep 10, 2023
Smyrna, GA
Underground Circus 100
May 27, 2023
Winthrop, WA
Sun Mountain
May 20, 2023
May 21, 2023
May 13, 2023
Thurmond, WV
Highball to Thurmond Ultra
May 21, 2023
Tucson, AZ
AZT Oracle Rumble
Jan 27, 2024
San Francisco, CA
San Francisco 50 Miler
May 20, 2023
Ruth Anderson Memorial Endurance Run
Oct 14, 2023
Alexandria, LA
Wild Azalea Trail Challenge
Jan 6, 2024
Avalon, CA
Avalon Benefit 50 Mile
Jan 6, 2024
Kings Mountain, NC
Beast of the East 100
Dec 9, 2023
Las Vegas, NV
Running with the Devil
Jun 17, 2023
Devil After Dark
Sep 16, 2023
Fire Fest Ultra
Nov 19, 2023
Lone Pine, CA
Wild Wild West Marathon
May 6, 2023
Elkton, MD
Phunt 25K/50K Trail Race
Jan 14, 2023
Boston, MA
TARC Don't Run Boston Races
Apr 16, 2023
Oklahoma City, OK
Summer Sizzler
Jul 30, 2023
New Preston, CT
Jack Bristol Lake Waramaug Ultra Races
Apr 30, 2023
La Grange, WI
Ice Age Trail Run
May 13, 2023
Vernal, UT
Mountain Madness
Aug 19, 2023
Clifton, VA
Bull Run Run 50 Mile
Apr 6, 2024
Boonsboro, MD
JFK 50 Mile
Nov 18, 2023
Palm Springs, CA
Beyond Limits Ultra
Apr 3, 2024
Brookville, PA
Baker Trail UltraChallenge
Aug 26, 2023
Albion, IN
Indiana Trail 100
Oct 14, 2023
West Columbia, TX
Grit Ultra Endurance Challenge
Dec 31, 2022
Smithville, TX
Hells Hills Trail Race
Apr 6, 2024
Apr 7, 2024
San Diego, CA
PCT 50
May 11, 2024
Albany, GA
Chehaw Challenge
Jan 28, 2023
Tuscaloosa, AL
The Phoenix Trail Fest
Apr 20, 2024
Cassoday, KS
Heartland
Oct 14, 2023
Oct 13, 2023
Waddell, AZ
Mesquite Canyon Trail Runs
Mar 11, 2023
Sturgeon Bay, WI
Fall 50 - Door County
Oct 21, 2023
Chicago, IL
Chicago Lakefront 50K/50M
Oct 28, 2023
Los Alamos, NM
Jemez Mountain Trail Runs
May 20, 2023
Greenville, SC
Longest Night Trail Run
Dec 16, 2023
Dec 17, 2023
Millburn, NJ
Mayapple Trail Run
May 13, 2023
Grand Rivers, KY
Land Between the Lakes Trail Runs
Mar 9, 2024
Little Rock, AR
Ouachita Trail 50 Endurance Run
Apr 15, 2023
Decatur, AL
Delano Park
Mar 4, 2023
Timothy Lake, OR
Mt. Hood 50 Races
Jul 15, 2023
Jul 16, 2023
Jackson, GA
Bootlegger
Apr 6, 2024
Leadville, CO
Leadville Silver Rush 50M Trail Run Race
Jul 8, 2023
West Orange, NJ
Squatchapple Trail Race
Mar 11, 2023
Pocatello, ID
Scout Mountain Ultras
Jun 3, 2023
Jun 2, 2023
Warda, TX
Wild Hare Trail Run
Nov 18, 2023
Brooklyn, NY
PPTC 50 Mile Endurance Fest
Dec 3, 2023
West Milford, NJ
Highlands Trail Festival
May 14, 2022
Loudonville, OH
Mohican 100 Mile, 50 Mile and Marathon Runs
Jun 3, 2023
Castro Valley, CA
Dick Collins Firetrails
Sep 30, 2023
Ithaca, NY
Cayuga Trails 50
Jun 3, 2023
Sonoita, AZ
Old Pueblo Endurance Runs
Mar 2, 2024
Gills Rock, WI
Fall 50 - Door County
Oct 21, 2023
Wilburton, OK
Outlaw 100
Feb 10, 2024
Terrebonne, OR
Run the Rock
Nov 11, 2023
Nov 12, 2023
Portersville, PA
Glacier Ridge Trail Ultra
May 13, 2023
Wendover, UT
Salt Flats Endurance Runs
May 3, 2024
Morehead, KY
Big Turtle Trail Races
Apr 27, 2024
Waynesville, MO
Bad Dawg Ultra
Aug 19, 2023
Circleville, WV
West Virginia Trilogy
Oct 13, 2023
Oct 14, 2023
Oct 15, 2023
Pine, CO
North Fork 50M/50K
Jun 3, 2023
Mesquite, NV
Grandmaster Ultras
Feb 16, 2024
Feb 17, 2024
Healdsburg, CA
Lake Sonoma 50
Apr 12, 2024
Apr 13, 2024
Blue Ridge, GA
Cruel Jewel 50
May 20, 2023
Dover, OH
Tuscazoar 100
Sep 2, 2023
Sturgis, SD
Black Hills 100
Jun 23, 2023
Jun 24, 2023
Hood River, OR
Gorgeous Relay
Sep 16, 2023
London, KY
War Hammer 100
Jun 10, 2023
Faust, UT
Pony Express Trail 100
Oct 20, 2023
Lanesboro, PA
Viaduct Trail Ultramarathon
Jul 22, 2023
Savage, MN
Surf The Murph
Oct 21, 2023
Pilot Mountain, NC
Pilot Mountain to Hanging Rock Ultra & Relay
Sep 30, 2023
Kaysville, UT
DC Peaks 50
Oct 7, 2023
Rocksprings, TX
J&J Race & Trail Running Reunion
Mar 9, 2024
Harrison, TN
Run Amok
Nov 5, 2022
Honey Creek, IA
Hitchcock Experience
Dec 9, 2023
Ashburnham, MA
Wapack and Back Trail Races
May 13, 2023
Milton, FL
Bear Bait Ultras
Jan 13, 2024
Monticello, UT
Bears Ears Ultra
Jun 24, 2023
Port Allen, LA
Children of the Cane
Oct 29, 2022
Burns, TN
Mo' Bell
Oct 14, 2023
Oct 15, 2023
Escondido, CA
San Diego 50 and Trail Marathon
Jan 28, 2023
Port St Joe, FL
50 For Florida
Oct 22, 2022
Burnet, TX
Full Moon Ultra
Oct 28, 2023
Waxahachie, TX
Hachie 50
Apr 22, 2023
Palm Coast, FL
Oceans 50 Relay Race
Nov 4, 2023
Needville, TX
Brazos Bend 100
Dec 2, 2023
Wellsboro, PA
Pine Creek Challenge
Sep 9, 2023
Port Aransas, TX
Barrier Island Ultra
Nov 11, 2023
Belleville, WI
Badger Trail Races
Jul 29, 2023
Jul 30, 2023
Vienna, IL
Tunnel Hill 100
Nov 11, 2023
Nov 12, 2023
Belmont, MI
Midwest Everest
Sep 30, 2023
Loxahatchee, FL
JW Corbett Trail Races
Apr 8, 2023
Cordesville, SC
Wambaw Swamp Stomp
May 11, 2024
Shepherdsville, KY
Crooked Creek Ultra Trail Race
Dec 2, 2023
Dec 3, 2023
Bald Head Island, NC
Badwater Cape Fear
Mar 23, 2024
Theilman, MN
Zumbro Endurance Run
Apr 7, 2023
Apr 8, 2023
Byers, CO
BINGO! Trail Runs
Nov 11, 2023
Palo Duro Canyon State Park, TX
Palo Duro Trail Run
Oct 21, 2023
Custer, SD
Lean Horse
Aug 19, 2023
Aug 20, 2023
Blodgett, OR
Marys Peak Trail Run
Jun 17, 2023
Parkdale, OR
Wy'east Wonder
Jun 24, 2023
Sewanee, TN
Rim Runner
Apr 1, 2023
Apr 2, 2023
Monument Valley, UT
Monument Valley Ultra
Mar 4, 2023
Canal Fulton, OH
Get Lucky 50/50
Mar 18, 2023
Eagle Up Ultra
Jun 3, 2023
Coon Rapids, IA
Whiterock Ultra
Jul 8, 2023
Gladstone, VA
James River Trail Runs
Apr 15, 2023
Frater Lake, WA
Kaniksu Ultras
Jun 10, 2023
Montgomery Village, MD
Stone Mill 50M Run
Nov 11, 2023
Sedalia, CO
Indian Creek Fifties
Oct 14, 2023
Cimarron, NM
Philmont Trail Race
Aug 12, 2023
St. Regis, MT
Trail Rail Run
Jun 17, 2023
Ida Grove, IA
Trail of the Dragon 50K/50M
Aug 5, 2023
Beatty, NV
Beatty's Backyard Ultra
Oct 15, 2022
Port Gamble, WA
Lumberjack Endurance Runs
Jun 17, 2023
Logandale, NV
Fire Fest Ultra
Nov 18, 2023
Nov 19, 2023
Polebridge, MT
Le Grizz Ultramarathon
Oct 14, 2023
Pawhuska, OK
Flower Moon
May 13, 2023
La Veta, CO
Cuchara Trail Runs
Jun 24, 2023
Wakulla Springs, FL
Tallahassee Ultra Distance Classic
Dec 10, 2022
Fort Davis, TX
Southwest 100
Mar 25, 2023
Ellsworth, KS
Rockin K Trail Runs
Apr 1, 2023
Fort Collins, CO
Quad Rock 50
May 11, 2024
Hatch, UT
Bryce Canyon Ultras
May 18, 2024
Blue River, OR
Old Cascadia
Jul 8, 2023
Poland, IN
OPSF50|50
Mar 25, 2023
Granger, IA
Stuffed Turkey Endurance Races
Nov 18, 2023
South Cle Elum, WA
Cascade Super Ultra
Sep 23, 2023
Chesterfield, MA
Chesterfield Gorge Ultra and 25K Race
Jun 3, 2023
Jun 4, 2023
Upper Black Eddy, PA
Muleskinner
Oct 14, 2023
Spencer, TN
Frozen Falls
Feb 4, 2023
Woodford, VA
The Harbinger
Mar 4, 2023
La Sal, UT
UTE 100
Aug 26, 2023
Smicksburg, PA
Baker Trail UltraChallenge
Aug 26, 2023
Fifty-Six, AR
Three Days of Syllamo Stage Race
Mar 17, 2023 - Day One
Mar 18, 2023 - Day Two
Mar 19, 2023 - Day Three
Kalaheo, HI
The Kauai 50
Aug 5, 2023
Greenwater, WA
White River 50 Mile
Jul 29, 2023
Grand Mesa, CO
Grand Mesa Ultras
Jul 29, 2023
Orcas Island, WA
Orcas Island Trail Runs
Apr 22, 2023
Apr 23, 2023
Grayson Highlands State Park, VA
Grayson Highlands
May 5, 2024
May 4, 2024
Red Feather Lakes, CO
Red Feather Trail Jamboree
Sep 23, 2023
Sep 22, 2023
Sep 24, 2023
Brazos Bend State Park, TX
Brazos Bend 50
Apr 6, 2024
Half Day Forest Preserve, IL
Des Plaines River Trail Races
Oct 14, 2023
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
1. Naked Prussian Marathon & 50 Miler
-
Past DateApr 2, 2022Saturday
-
50M, 26.2M trail run
More Information
-
Leesport, PA
Berks County, PA
2. Highlands Trail Festival
-
Past DateMay 14, 2022Saturday
-
100K, 50M, 50K, 25K trail run
More Information
-
West Milford, NJ
Passaic County, NJ
3. Hawaii Kai Ultra Run - XTreme
-
Past DateJul 23, 2022Saturday
-
100M, 100K, 50M, 50K, 26.2M, 30K, 13.1M run
More Information
-
Honolulu, HI
Honolulu County, HI
4. Hawk Hundred
-
Past DateSep 10, 2022Saturday
-
100M, 50M, 26.2M trail run
More Information
-
Lawrence, KS
Douglas County, KS
5. Free to Run Trail Races
-
Past DateSep 17, 2022Saturday
-
50M, 26.2M, 13.1M trail run
More Information
-
Pittsfield, MA
Berkshire County, MA
6. Woman of Steel Relay
-
CancelledSep 24, 2022Saturday
-
50M run | 50M relay
More Information
-
Women Only
-
Midway, UT
Wasatch County, UT
7. Ocean to Sound 50 Mile Relay
-
Past DateSep 25, 2022Sunday
-
50M relay
More Information
-
Wantagh, NY
Nassau County, NY
8. Rough Canyon Trail Runs
-
Past DateOct 8, 2022Saturday
-
50M, 50K, 13.1M, 10K, 5K trail run
More Information
-
Grand Junction, CO
Mesa County, CO
9. Beatty's Backyard Ultra
-
CancelledOct 15, 2022Saturday
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50M, 10K trail run | last man standing
More Information
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Beatty, NV
Nye County, NV
10. 50 For Florida
-
Past DateOct 22, 2022Saturday
-
50M run | 50M relay
More Information
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Port St Joe, FL
Gulf County, FL
11. Children of the Cane
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Past DateOct 29, 2022Saturday
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100M, 100K, 50M, 50K, 20M, 16.7M, 10M run
More Information
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Port Allen, LA
West Baton Rouge County, LA
12. Run Amok
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Past DateNov 5, 2022Saturday
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100M, 100K, 50M, 50K, 26.2M, 13.1M, 10K, 5K run | kids run
More Information
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Harrison, TN
Hamilton County, TN
13. Saint Sebastian 100
-
CancelledNov 12, 2022Saturday
-
100M, 50M trail run
More Information
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Sebastian, FL
Indian River County, FL
14. Tallahassee Ultra Distance Classic
-
Past DateDec 10, 2022Saturday
-
50M, 50K, 26.2M run
More Information
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Boston Marathon Qualifier
-
Wakulla Springs, FL
Wakulla County, FL
15. Grit Ultra Endurance Challenge
-
Past DateDec 31, 2022Saturday
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100M, 100K, 50M, 50K run | last man standing | 100M, 100K, 50M, 50K relay
More Information
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West Columbia, TX
Brazoria County, TX
16. Phunt 25K/50K Trail Race
-
Past DateJan 14, 2023Saturday
-
50M, 50K, 20K trail run
More Information
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Elkton, MD
Cecil County, MD
17. Chehaw Challenge
-
Past DateJan 28, 2023Saturday
-
50M, 50K trail run
More Information
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Albany, GA
Dougherty County, GA
18. San Diego 50 and Trail Marathon
-
Past DateJan 28, 2023Saturday
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50M, 26.2M, 13.1M, 10M, 5M trail run | 26.2M relay | kids run
More Information
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Escondido, CA
San Diego County, CA
19. Skydive Ultra Florida
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Past DateJan 28, 2023Saturday
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100M, 50M, 50K, 26.2M, 13.1M, 10K run
More Information
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Clewiston, FL
Hendry County, FL
20. Frozen Falls
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Past DateFeb 4, 2023Saturday
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50M, 50K, 13.1M, 10K trail run
More Information
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Spencer, TN
Van Buren County, TN
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.