100Ks in the West
Big Bear Lake, CA
Kodiak Ultra Marathons
Oct 11, 2024
Oct 12, 2024
Easton, WA
Ultra Fest
Sep 21, 2024
Honolulu, HI
Hawaii Kai Ultra Run - XTreme
Jul 27, 2024
Hawaii Kai Ultra Run - Kalama Valley
Dec 14, 2024
Colorado Springs, CO
Ring the Springs
Jun 22, 2024
Jun 23, 2024
Cerritos, CA
Orange Curtain
Jun 22, 2024
Jun 21, 2024
Stinson Beach, CA
Miwok 100K
May 4, 2024
Springville, UT
Kat'cina Mosa 100K Mountain Run
Aug 3, 2024
Homer, AK
Homer Epic
Mar 9, 2024
Ashland, OR
Siskiyou Out Back Trail Run
Jul 13, 2024
Salmon, ID
Beaverhead Endurance Runs
Jul 13, 2024
Lake Hughes, CA
Leona Divide
Apr 20, 2024
Hilo, HI
Under the Moon
Jun 22, 2024
Bishop, CA
Bishop High Sierra Ultras
May 18, 2024
Plain, WA
Plain Endurance Runs
Sep 14, 2024
Oakridge, OR
Waldo 100K
Aug 3, 2024
San Diego, CA
Sycamore Canyon Trail Race
Feb 24, 2024
Castro Valley, CA
Dick Collins Firetrails
Sep 28, 2024
Fairplay, CO
Silverheels Trail Runs
Jul 12, 2024
Jul 13, 2024
Mesquite, NV
Grandmaster Ultras
Feb 16, 2024
Feb 17, 2024
Beaver, UT
Tushars Mountain Runs
Jul 27, 2024
Cascade Locks, OR
Gorge Waterfalls
Apr 14, 2024
Apr 13, 2024
Blue Diamond, NV
Red Rock Canyon 100K
Nov 9, 2024
North Bonneville, WA
Strawberry Fields Forever
Jun 22, 2024
Gold Beach, OR
Secret Beach 100K/50M
May 11, 2024
Waimea, HI
Under the Moon
Jun 22, 2024
Friant, CA
San Joaquin River Trail Run
Dec 7, 2024
Foresthill, CA
Canyons Endurance Runs
Apr 26, 2024
Apr 27, 2024
Lakeshore, CA
China Peak Running Festival
Sep 7, 2024
Butte Meadows, CA
Loco Go Big or Go Home Challenge
Jun 1, 2024
Port Gamble, WA
Lumberjack Endurance Runs
Jun 8, 2024
Logandale, NV
Fire Fest Ultra
Nov 23, 2024
Nov 24, 2024
Nov 22, 2024
Divide, CO
Great Divide Ultra
Jun 1, 2024
Jun 2, 2024
Apple Valley, UT
Zion Ultras
Apr 13, 2024
Apr 14, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. 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
2. 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
3. Sycamore Canyon Trail Race
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Past DateFeb 24, 2024Saturday
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100K, 50K, 13.1M trail run | 100K relay
More Information
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San Diego, CA
San Diego County, CA
4. Homer Epic
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Past DateMar 9, 2024Saturday
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150K, 100K, 50K trail run
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Homer, AK
Kenai Peninsula Borough County, AK
5. Desert RATS Trail Running Festival
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Apr 12, 2024Friday
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100K trail run
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Fruita, CO
Mesa County, CO
6. Gorge Waterfalls
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Apr 13, 2024Saturday
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100K trail run
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Cascade Locks, OR
Hood River County, OR
7. Zion Ultras
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Apr 13, 2024Saturday
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100M, 100K trail run
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Apple Valley, UT
Washington County, UT
8. Leona Divide
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Apr 20, 2024Saturday
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100K, 50M, 50K, 30K trail run
More Information
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Lake Hughes, CA
Los Angeles County, CA
9. Canyons Endurance Runs
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Apr 27, 2024Saturday
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100K, 50K, 25K trail run
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Foresthill, CA
Placer County, CA
10. Miwok 100K
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May 4, 2024Saturday
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100K trail run
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Stinson Beach, CA
Marin County, CA
11. Quicksilver Endurance Runs
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May 11, 2024Saturday
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100K, 50K trail run
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San Jose, CA
Santa Clara County, CA
12. Secret Beach 100K/50M
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May 11, 2024Saturday
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100K, 50K trail run
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Gold Beach, OR
Curry County, OR
13. Bishop High Sierra Ultras
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May 18, 2024Saturday
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100K, 50M, 53K, 20M, 6K trail run
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Bishop, CA
Inyo County, CA
14. Cool Moon Trail Runs
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Jun 1, 2024Saturday
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100M, 100K, 50M, 25M trail run
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Cool, CA
El Dorado County, CA
15. Great Divide Ultra
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Jun 1, 2024Saturday
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100M, 100K, 50K, 25K trail run
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Divide, CO
Teller County, CO
16. 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
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Butte Meadows, CA
Butte County, CA
17. Lumberjack Endurance Runs
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Jun 8, 2024Saturday
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100M, 100K, 50M trail run
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Port Gamble, WA
Kitsap County, WA
18. Mt. Umunhum Ultras
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Jun 8, 2024Saturday
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100K, 50M, 50K, 26.2M, 30K, 13.1M, 9M, 10K, 5K trail run
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San Jose, CA
Santa Clara County, CA
19. Orange Curtain
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Jun 22, 2024Saturday
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12H, 100K, 6H, 50K, 26.2M, 30K, 10K run
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Boston Marathon Qualifier
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Cerritos, CA
Los Angeles County, CA
20. Ring the Springs
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Jun 22, 2024Saturday
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100M, 100K trail run
More Information
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Colorado Springs, CO
El Paso County, CO
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.