100M Relays in the USA
Lima, OH
UnitedAF Ultramarathon
Oct 19, 2024
Midway, UT
Valkyrie Multisport Relay
Sep 14, 2024
Jacksonville Beach, FL
Daytona 100 Ultra
Dec 14, 2024
San Jose, CA
New Year's One Day
Dec 31, 2024
Stowe, VT
100 on100 Relay
Aug 10, 2024
Key West, FL
KEYS100
May 18, 2024
Pittsburgh, PA
Miles 2 Meals 100 Mile Relay
May 18, 2024
Cuyahoga Falls, OH
Burning River 100 Mile Endurance Run
Jul 27, 2024
Paso Robles, CA
Silver Moon Race: Paso Robles
Feb 24, 2024
La Grange, WI
Kettle Moraine 100 Endurance Runs
Jun 8, 2024
Cumberland, RI
Survival of the F.I.T.test 24 Hour Trail Ultra
Oct 21, 2023
West Columbia, TX
Grit Ultra Endurance Challenge
Dec 31, 2023
Ludlow, VT
100 on100 Relay
Aug 10, 2024
Reedley, CA
Silver Moon Race: Reedley
Apr 20, 2024
Burns, TN
Mo' Bell
Oct 12, 2024
Wellsboro, PA
Pine Creek Challenge
Sep 7, 2024
Belmont, MI
Fred Running Relays
Jul 12, 2024
Jul 13, 2024
High Ridge, MO
The Shippey Endurance Runs
Jan 18, 2025
Jan 19, 2025
Custer, SD
Lean Horse
Aug 16, 2024
Aug 17, 2024
Canal Fulton, OH
Eagle Up Ultra
Jun 1, 2024
Norton, VA
Cloudsplitter 100
Oct 12, 2024
Cat Spring, TX
Habanero Hundred
Aug 24, 2024
Booneville, IA
Booneville Backroads Ultra
Aug 31, 2024
Cuba, NM
Deadman Peaks Trail Run
Nov 2, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Survival of the F.I.T.test 24 Hour Trail Ultra
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Past DateOct 21, 2023Saturday
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24H, 100M, 100K, 50K trail run | 24H relay
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Cumberland, RI
Providence County, RI
2. Grit Ultra Endurance Challenge
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Past DateDec 31, 2023Sunday
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100M, 100K, 50M, 50K run | last man standing | 100M, 100K, 50M, 50K relay
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West Columbia, TX
Brazoria County, TX
3. Silver Moon Race: Paso Robles - Paso Robles
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Past DateFeb 24, 2024Saturday
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24H, 100M, 12H, 6H, 10K, 2M trail run | 24H, 100M, 12H, 6H relay
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Paso Robles, CA
San Luis Obispo County, CA
4. Silver Moon Race: Reedley
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Past DateApr 20, 2024Saturday
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24H, 100M, 12H, 6H, 10K trail run | 24H, 100M, 12H, 6H relay
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Reedley, CA
Fresno County, CA
5. KEYS100
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May 18, 2024Saturday
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100M, 50M, 50K run | 100M relay
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Key West, FL
Monroe County, FL
6. Miles 2 Meals 100 Mile Relay
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May 18, 2024Saturday
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100M relay
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Pittsburgh, PA
Allegheny County, PA
7. Eagle Up Ultra
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Jun 1, 2024Saturday
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100M, 100K, 50M, 50K trail run | 100M relay
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Canal Fulton, OH
Stark County, OH
8. Hell Hole Hundred
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Jun 1, 2024Saturday
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100M, 100K, 50K, 16M trail run | 100M relay
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Bethera, SC
Berkeley County, SC
9. Kettle Moraine 100 Endurance Runs
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Jun 8, 2024Saturday
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100M, 100K, 38M, 50K trail run | 100M relay
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La Grange, WI
Walworth County, WI
10. Fred Running Relays
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Jul 12, 2024Friday
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200M, 100M relay
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Belmont, MI
Kent County, MI
11. Burning River 100 Mile Endurance Run
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Jul 27, 2024Saturday
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100M, 50M run | 100M relay
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Cuyahoga Falls, OH
Summit County, OH
12. 100 on100 Relay
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CancelledAug 10, 2024Saturday
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100M relay
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startStowe, VTfinishLudlow, VTLamoille County, VTWindsor County, VT
13. Lean Horse
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Aug 16, 2024Friday
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100M trail run | 100M relay
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Custer, SD
Custer County, SD
14. Habanero Hundred
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Aug 24, 2024Saturday
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100M, 100K, 26.2M, 13.1M, 10K trail run | 100M, 100K relay
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Cat Spring, TX
Austin County, TX
15. Booneville Backroads Ultra
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Aug 31, 2024Saturday
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100M, 100K, 50K, 10K run | 50K relay
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Booneville, IA
Dallas County, IA
16. Pine Creek Challenge
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Sep 7, 2024Saturday
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100M, 100K, 50M, 26.2M trail run | 100M relay
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Wellsboro, PA
Tioga County, PA
17. Cowboy 200
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Sep 13, 2024FridayStart in Nofolk, NE
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200M, 100M trail run | 200M relay
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startNorfolk, NEfinishValentine, NECherry County, NEMadison County, NE
18. Cowboy 200
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Sep 14, 2024SaturdayStart in Atkinson, NE
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200M, 100M trail run | 200M relay
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startNorfolk, NEfinishValentine, NECherry County, NEMadison County, NE
19. Valkyrie Multisport Relay
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Sep 14, 2024Saturday
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26.2M, 13.1M run | 100M relay | 100M adventure race
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Midway, UT
Wasatch County, UT
20. Flagstaff to Grand Canyon Stagecoach Line 100 Mile, 55K & Relays
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Sep 21, 2024Saturday
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100M, 55K trail run | 100M, 55K relay
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Flagstaff, AZ
Coconino County, AZ
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.