Marathon Trail Runs within 25 miles of San Jose, CA
Fremont, CA
ZombieRunner Quarry Lakes Run
Dec 7, 2024
San Jose, CA
Calero Trail Run
Jun 1, 2024
Mt. Umunhum Ultras
Jun 8, 2024
Calero Trail Hills Fest
Jul 27, 2024
Almaden Hills Trail Run
Aug 17, 2024
South Hills Single Track Trail Run
Sep 14, 2024
Mt Umunhum to Quicksilver Point to Point
Sep 28, 2024
Mt. Umunhum Trail Conquest
Oct 12, 2024
Almaden Hills Trail Run
Nov 2, 2024
ZombieRunner Halloween
Nov 2, 2024
Calero Trail Run
Dec 7, 2024
Hacienda Hills Run
Jan 4, 2025
Mt. Umunhum Trail Conquest
Feb 1, 2025
South Hills Single Track Trail Run - Spring
Mar 22, 2025
Sierra Azul Trail Challenge
Apr 19, 2025
Hacienda Hills Run
May 3, 2025
Castro Valley, CA
SPASM Lake Chabot
Apr 13, 2024
Dick Collins Firetrails
Sep 29, 2024
Lake Chabot
Nov 16, 2024
La Honda, CA
Horseshoe Lake
Apr 21, 2024
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Crystal Springs (Winter) Trail Run
-
Past DateJan 14, 2024Sunday
-
50K, 26.2M, 35K, 13.1M, 8K trail run | kids run
More Information
-
Woodside, CA
15 miles point to pointSan Mateo County, CA
2. SPASM Lake Chabot
-
Past DateApr 13, 2024Saturday
-
50K, 26.2M, 30K, 13.1M, 8K trail run | kids run
More Information
-
Castro Valley, CA
19 miles point to pointAlameda County, CA
3. Horseshoe Lake
-
Past DateApr 21, 2024Sunday
-
50K, 26.2M, 30K, 13.1M, 5M trail run | kids run
More Information
-
La Honda, CA
17 miles point to pointSan Mateo County, CA
4. Calero Trail Run
-
Past DateJun 1, 2024Saturday
-
50K, 26.2M, 25K, 13.1M, 15K, 10K, 5K trail run
More Information
-
San Jose, CA
Santa Clara County, CA
5. Mt. Umunhum Ultras
-
Past DateJun 8, 2024Saturday
-
100K, 50M, 50K, 26.2M, 30K, 13.1M, 9M, 10K, 5K trail run
More Information
-
San Jose, CA
Santa Clara County, CA
6. Calero Trail Hills Fest
-
Jul 27, 2024Saturday
-
26.2M, 30K, 13.1M, 10M, 5M trail run
More Information
-
San Jose, CA
Santa Clara County, CA
7. Almaden Hills Trail Run
-
Aug 17, 2024Saturday
-
50K, 26.2M, 30K, 13.1M, 8M, 10K, 5K trail run
More Information
-
San Jose, CA
Santa Clara County, CA
8. Crystal Springs
-
Sep 1, 2024Sunday
-
50K, 26.2M, 35K, 13.1M, 8K trail run | kids run
More Information
-
Woodside, CA
15 miles point to pointSan Mateo County, CA
9. South Hills Single Track Trail Run
-
Sep 14, 2024Saturday
-
50K, 26.2M, 16M, 13.1M, 9M, 10K, 5K trail run
More Information
-
San Jose, CA
Santa Clara County, CA
10. Mt Umunhum to Quicksilver Point to Point
-
Sep 28, 2024Saturday
-
50K, 26.2M, 25K trail run
More Information
-
San Jose, CA
Santa Clara County, CA
11. Dick Collins Firetrails
-
Sep 29, 2024Sunday
-
100K, 50M, 26.2M trail run
More Information
-
Castro Valley, CA
19 miles point to pointAlameda County, CA
12. Mt. Umunhum Trail Conquest
-
Oct 12, 2024Saturday
-
50K, 26.2M, 13.1M, 5K trail run
More Information
-
San Jose, CA
Santa Clara County, CA
13. Almaden Hills Trail Run
-
Nov 2, 2024Saturday
-
50K, 26.2M, 30K, 13.1M, 8M, 10K, 5K trail run
More Information
-
San Jose, CA
Santa Clara County, CA
14. ZombieRunner Halloween
-
Nov 2, 2024Saturday
-
26.2M, 13.1M, 10K, 5K trail run | kids run
More Information
-
San Jose, CA
Santa Clara County, CA
15. Lake Chabot
-
Nov 16, 2024Saturday
-
50K, 26.2M, 30K, 13.1M, 8K trail run | kids run
More Information
-
Castro Valley, CA
19 miles point to pointAlameda County, CA
16. Calero Trail Run
-
Dec 7, 2024Saturday
-
50K, 26.2M, 25K, 13.1M, 15K, 10K, 5K trail run
More Information
-
San Jose, CA
Santa Clara County, CA
17. ZombieRunner Quarry Lakes Run
-
Dec 7, 2024Saturday
-
26.2M, 30K, 13.1M, 10K, 5K trail run
More Information
-
Fremont, CA
8 miles point to pointAlameda County, CA
18. Hacienda Hills Run
-
Jan 4, 2025Saturday
-
50K, 26.2M, 13.1M, 9M, 10K, 5K trail run
More Information
-
San Jose, CA
Santa Clara County, CA
19. Mt. Umunhum Trail Conquest
-
Feb 1, 2025Saturday
-
50K, 26.2M, 30K, 13.1M, 7M, 5K trail run
More Information
-
San Jose, CA
Santa Clara County, CA
20. South Hills Single Track Trail Run - Spring
-
Mar 22, 2025Saturday
-
50K, 26.2M, 16M, 13.1M, 9M, 10K, 5K trail run
More Information
-
San Jose, CA
Santa Clara 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.