100Ms within 500 miles of Berkeley, CA
Big Bear Lake, CA
Kodiak Ultra Marathons
Oct 11, 2024
Oct 12, 2024
Bend, OR
Oregon Cascades 100
Aug 23, 2025
Newport, OR
Tufted Puffin Endurance Run
Aug 3, 2024
Granite Bay, CA
Rio Del Lago 100 Mile Endurance Run
Nov 2, 2024
San Jose, CA
New Year's One Day
Dec 31, 2024
Lake Tahoe, NV
Tahoe Rim Trail Endurance Runs
Jul 19, 2025
Henderson, NV
Jackpot Ultras
Feb 14, 2025
Feb 15, 2025
Ashland, OR
Pine to Palm
Sep 7, 2024
Corona, CA
Run4Kids 24 Hour Running Party
Mar 22, 2024
Paso Robles, CA
Silver Moon Race: Paso Robles
Feb 24, 2024
Wrightwood, CA
Angeles Crest 100 Mile Endurance Run
Aug 2, 2025
Palm Springs, CA
Beyond Limits Ultra
Apr 3, 2024
Wendover, UT
Salt Flats Endurance Runs
May 2, 2025
Mesquite, NV
Flat Top Mesa Endurance Run
Feb 28, 2025
Mar 1, 2025
Grandmaster Ultras
Mar 1, 2025
Mar 2, 2025
Reedley, CA
Silver Moon Race: Kings River
Apr 12, 2025
Olallie Lake, OR
Mountain Lakes 100
Sep 20, 2025
Olympic Valley, CA
Western States Endurance Run
Jun 28, 2025
Foresthill, CA
Canyons Endurance Runs
Apr 25, 2025
Apr 26, 2025
Butte Meadows, CA
Loco Go Big or Go Home Challenge
Jun 1, 2024
Logandale, NV
Fire Fest Ultra
Nov 23, 2024
Nov 24, 2024
Nov 22, 2024
Julian, CA
San Diego 100
Jun 6, 2025
Apple Valley, UT
Zion Ultras
Apr 12, 2025
Apr 11, 2025
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. 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
177 miles point to pointSan Luis Obispo County, CA
2. Run4Kids 24 Hour Running Party
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Past DateMar 22, 2024Friday
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24H, 100M, 12H, 6H, 5K run
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Corona, CA
372 miles point to pointRiverside County, CA
3. Beyond Limits Ultra
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Past DateApr 3, 2024Wednesday
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72H, 48H, 200M, 24H, 100M, 50M, 50K trail run
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Palm Springs, CA
412 miles point to pointRiverside County, CA
4. Loco Go Big or Go Home Challenge
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Past DateJun 1, 2024Saturday
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100M, 100K, 50K, 13.1M, 10K run
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Butte Meadows, CA
157 miles point to pointButte County, CA
5. Tufted Puffin Endurance Run
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Past DateAug 3, 2024Saturday
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24H, 100M, 12H, 50K run
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Newport, OR
478 miles point to pointLincoln County, OR
6. Pine to Palm
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Past DateSep 7, 2024Saturday
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100M run
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Ashland, OR
299 miles point to pointJackson County, OR
7. Mile Madness Endurance Run
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Past DateSep 20, 2024Friday
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72H, 48H, 24H, 100M trail run | kids run
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Rocklin, CA
84 miles point to pointPlacer County, CA
8. Kodiak Ultra Marathons
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Oct 11, 2024Friday
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100M trail run
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Big Bear Lake, CA
379 miles point to pointSan Bernardino County, CA
9. Rio Del Lago 100 Mile Endurance Run
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Nov 2, 2024Saturday
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100M trail run
More Information
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Granite Bay, CA
85 miles point to pointPlacer County, CA
10. Fire Fest Ultra
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Nov 23, 2024Saturday
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100M, 100K, 50M, 50K, 26.2M, 13.1M, 10K, 5K trail run
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Logandale, NV
422 miles point to pointClark County, NV
11. New Year's One Day
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Dec 31, 2024Tuesday
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24H, 100M, 12H, 6H run | 24H, 12H, 6H relay
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San Jose, CA
34 miles point to pointSanta Clara County, CA
12. Jackpot Ultras
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Feb 14, 2025Friday
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48H, 100M run
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Henderson, NV
402 miles point to pointClark County, NV
13. Jackpot Ultras
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Feb 15, 2025Saturday
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24H, 100M, 12H, 50M, 6H run
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Henderson, NV
402 miles point to pointClark County, NV
14. Flat Top Mesa Endurance Run
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Feb 28, 2025Friday
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100M, 100K trail run
More Information
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Mesquite, NV
441 miles point to pointClark County, NV
15. Grandmaster Ultras
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Mar 1, 2025Saturday
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100M, 100K trail run
More Information
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Mesquite, NV
441 miles point to pointClark County, NV
16. Silver Moon Race: Kings River
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Apr 12, 2025Saturday
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24H, 100M, 12H, 6H, 12K trail run | 24H, 100M, 12H, 6H relay
More Information
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Reedley, CA
173 miles point to pointFresno County, CA
17. Zion Ultras
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Apr 12, 2025Saturday
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100M, 100K, 60K, 30K trail run
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Apple Valley, UT
487 miles point to pointWashington County, UT
18. Canyons Endurance Runs
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Apr 25, 2025Friday
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100M trail run
More Information
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Foresthill, CA
110 miles point to pointPlacer County, CA
19. Salt Flats Endurance Runs
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May 2, 2025Friday
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100M, 50M, 50K, 5K run
More Information
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Wendover, UT
479 miles point to pointTooele County, UT
20. Born To Run Ultra Marathons
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May 16, 2025Friday
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48H, 100M trail run
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Los Olivos, CA
249 miles point to pointSanta Barbara 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.