Calero Trail Run Marathon
- When
- Sat, Dec 6, 2025, 5:00 AM
- Where
- San Jose, US
- Distances
- 5K · 10K · 15K · Half Marathon · Marathon · Ultra Marathon
- Terrain
- TRAIL
- Price
- 55–125 USD
- Elevation gain
- 2093 m
- Typical weather
- Cool
- Organizer
- Troy’s California Trail Runs
About
Also organized by Troy’s California Trail Runs, the 25K race takes place on December 6, 2025 at Calero County Park, San Jose, California, with the 13-mile plus 5K loop layout. The course has about 2,726 feet (~831 m) of elevation gain, offering a solid mid-to-long distance challenge.
Races
- Calero Trail Run 5K — 5K · Sat, Dec 6, 2025, 5:00 AM
- Calero Trail Run 10K — 10K · Sat, Dec 6, 2025, 5:00 AM
- Calero Trail Run 15K — 15K · Sat, Dec 6, 2025, 5:00 AM
- Calero Trail Run Half Marathon — Half Marathon · Sat, Dec 6, 2025, 5:00 AM
- Calero Trail Run Marathon — Marathon · Sat, Dec 6, 2025, 5:00 AM
- Calero Trail Run 50K — Ultra Marathon · Sat, Dec 6, 2025, 5:00 AM