100Ms in the USA on Saturdays
Lima, OH
UnitedAF Ultramarathon
Oct 19, 2024
Fairbanks, AK
White Mountains 100
Mar 23, 2024
Honolulu, HI
Hawaii Kai Ultra Run - XTreme
Jul 27, 2024
Hawaii Kai Ultra Run - Kalama Valley
Dec 14, 2024
Jacksonville Beach, FL
Daytona 100 Ultra
Dec 14, 2024
Newport, OR
Tufted Puffin Endurance Run
Aug 3, 2024
Tampa, FL
Tampa Bay 100
Nov 2, 2024
Henderson, NV
Jackpot Ultras
Feb 14, 2025
Feb 15, 2025
Ashland, OR
Pine to Palm
Sep 7, 2024
Key West, FL
KEYS100
May 18, 2024
Hot Springs, AR
Run LOViT
Feb 22, 2025
Cuyahoga Falls, OH
Burning River 100 Mile Endurance Run
Jul 27, 2024
Smyrna, GA
Underground Circus 100
May 25, 2024
Tulsa, OK
Urban Adventure Race
Sep 28, 2024
Vernal, UT
McCoy Flats Death Race
Jul 13, 2024
Massillon, OH
Whispering Grace 100
Nov 11, 2023
Pensacola, FL
Wildcat Ultras
Aug 31, 2024
Loudonville, OH
Mohican 100 Mile, 50 Mile and Marathon Runs
Jun 1, 2024
Waynesville, MO
Bad Dawg Ultra
Aug 17, 2024
London, KY
Y'allhalla
Jun 8, 2024
Burns, TN
Mo' Bell
Oct 12, 2024
Richfield, OH
HIgh Lea 6/12/24
May 18, 2024
Booneville, IA
Booneville Backroads Ultra
Aug 31, 2024
Butte Meadows, CA
Loco Go Big or Go Home Challenge
Jun 1, 2024
Cheney, KS
Honey Badger 100
Jul 27, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Whispering Grace 100
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Past DateNov 11, 2023Saturday
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100M, 100K, 50K run
More Information
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Massillon, OH
Stark County, OH
2. White Mountains 100
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Past DateMar 23, 2024Saturday
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100M run
More Information
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Fairbanks, AK
Fairbanks North Star County, AK
3. HIgh Lea 6/12/24
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Past DateMay 18, 2024Saturday
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24H, 100M, 12H, 6H run
More Information
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Richfield, OH
Summit County, OH
4. KEYS100
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Past DateMay 18, 2024Saturday
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100M, 50M, 50K run | 100M relay
More Information
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Key West, FL
Monroe County, FL
5. Underground Circus 100
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May 25, 2024Saturday
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36H, 24H, 100M, 12H, 50M, 40M, 6H, 30M run
More Information
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Smyrna, GA
Cobb County, GA
6. Loco Go Big or Go Home Challenge
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Jun 1, 2024Saturday
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100M, 100K, 50K, 13.1M, 10K run
More Information
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Butte Meadows, CA
Butte County, CA
7. Mohican 100 Mile, 50 Mile and Marathon Runs
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Jun 1, 2024Saturday
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100M, 50M, 26.2M run
More Information
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Loudonville, OH
Ashland County, OH
8. Y'allhalla
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Jun 8, 2024Saturday
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50M, 50K run | 100M trail run
More Information
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London, KY
Laurel County, KY
9. McCoy Flats Death Race
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Jul 13, 2024Saturday
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100M, 4M run | last man standing
More Information
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Vernal, UT
Uintah County, UT
10. Burning River 100 Mile Endurance Run
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Jul 27, 2024Saturday
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100M, 50M run | 100M relay
More Information
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Cuyahoga Falls, OH
Summit County, OH
11. Hawaii Kai Ultra Run - XTreme
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Jul 27, 2024Saturday
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100M, 100K, 50M, 50K, 26.2M, 30K, 13.1M run
More Information
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Honolulu, HI
Honolulu County, HI
12. Honey Badger 100
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Jul 27, 2024Saturday
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100M run
More Information
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Cheney, KS
Sedgwick County, KS
13. Tufted Puffin Endurance Run
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Aug 3, 2024Saturday
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24H, 100M, 12H, 50K run
More Information
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Newport, OR
Lincoln County, OR
14. Bad Dawg Ultra
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Aug 17, 2024Saturday
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100M, 100K, 50M, 50K, 12M run
More Information
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Waynesville, MO
Pulaski County, MO
15. Booneville Backroads Ultra
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Aug 31, 2024Saturday
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100M, 100K, 50K, 10K run | 50K relay
More Information
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Booneville, IA
Dallas County, IA
16. Wildcat Ultras
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Aug 31, 2024Saturday
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100M, 100K, 50K, 15M run
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Pensacola, FL
Escambia County, FL
17. Pine to Palm
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Sep 7, 2024Saturday
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100M run
More Information
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Ashland, OR
Jackson County, OR
18. Urban Adventure Race
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Sep 28, 2024Saturday
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100M, 75M, 26.2M, 25M run
More Information
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Tulsa, OK
Tulsa County, OK
19. Canal Corridor 100 Mile Endurance Run
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Oct 12, 2024Saturday
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100M run
More Information
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Akron, OH
Summit County, OH
20. Mo' Bell
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Oct 12, 2024Saturday
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24H, 100M, 75M, 12H, 100K, 50M, 50K, 26.2M, 13.1M, 10K, 5K, 1M run | 24H, 12H relay
More Information
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Burns, TN
Dickson 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.