100Ks in the USA
1. Indy Piston Endurance Run
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Past DateJun 3, 2023Saturday
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100M, 100K, 50M, 50K, 13.1M run
Virtual OptionMore Information
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Indianapolis, IN
Marion County, IN
2. Tale of Two Trails
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Past DateJul 15, 2023Saturday
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100K, 40M, 20M, 10M trail run
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Shawnee, KS
Johnson County, KS
3. 5 Lakes Ultra Race
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Past DateAug 5, 2023Saturday
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200M, 100M, 100K, 50K trail run
More Information
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Bolivar, OH
Tuscarawas County, OH
4. Miakonda Trail Ultra
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Past DateSep 2, 2023Saturday
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24H, 100K, 15K trail run | 24H relay
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Toledo, OH
Lucas County, OH
5. Timberjack Ultramarathon
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Past DateOct 14, 2023Saturday
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100K, 50K, 30K trail run
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Bend, OR
Deschutes County, OR
6. 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
7. Medusa 100
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Past DateNov 4, 2023Saturday
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100M, 100K, 50K, 10K, 5K trail run
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San Antonio, TX
Bexar County, TX
8. Whispering Grace 100
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Past DateNov 11, 2023Saturday
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100M, 100K, 50K run
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Massillon, OH
Stark County, OH
9. Devil Dog Ultras
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Past DateDec 2, 2023Saturday
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100M, 100K, 50K trail run
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Triangle, VA
Prince William County, VA
10. Tidewater Strider Dismal Swamp 100K/ 50K / Marathon and 100K Relay
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Past DateDec 2, 2023Saturday
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100K, 50K, 26.2M run | 100K relay
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- Chesapeake, VA
11. 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
12. Croom Zoom
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Past DateJan 6, 2024Saturday
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100K, 50K, 25K trail run
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Brooksville, FL
Hernando County, FL
13. Santa Fe Jornado
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Past DateJan 27, 2024Saturday
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100K, 50M, 50K trail run
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Durham, KS
Marion County, KS
14. Grace Creek Grinder
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Past DateFeb 3, 2024Saturday
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100M, 100K, 2.5M trail run
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Longview, TX
Gregg County, TX
15. Black Canyon Ultras
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Past DateFeb 10, 2024Saturday
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100K, 60K trail run
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Mayer, AZ
Yavapai County, AZ
16. Snow Devil Snowshoe Race / Winter Ultra
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Past DateFeb 10, 2024Saturday
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100M, 100K trail run
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Pittsfield, VT
Rutland County, VT
17. Grandmaster Ultras
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Past DateFeb 16, 2024Friday
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100M, 100K trail run
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Mesquite, NV
Clark County, NV
18. Red Dirt Ultra
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Past DateFeb 17, 2024Saturday
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100M, 100K, 50K trail run
More Information
- Provencal, LA
19. Run LOViT
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Past DateFeb 24, 2024Saturday
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100K run
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Hot Springs, AR
Garland County, AR
20. Sycamore Canyon Trail Race
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Past DateFeb 24, 2024Saturday
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100K, 50K, 13.1M trail run | 100K relay
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San Diego, CA
San Diego County, CA
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.