Calero Trail Run - December
December 5th 2026
San Jose, CA
50 KM
Beginning at Calero Park this trail run has everything! Experience awesome single track, great hills, dirt paths. It is a challenging, fantastic trainer for Western States that includes oak trees, exposure, good heat training, and panoramic vistas.
Upcoming Races
Dec 5 2026
50 KM
2,474
ft.
Multiple Loop
6 Aid
Stations
8:00 Cutoff
3
Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3
Surface Rating
Some rocks, root, and/or ruts
Additional Distances
This event also has the following sub ultra distances
26.2 Miles
25 KM
10 KM
13.1 Miles
5 KM
1 Miles
15 KM
Results
50 KM
| Date | Finishers | Top Result (F) | Top Result (M) |
|---|---|---|---|
| 12/06/25 | 19 | 6:23:11 | 4:06:12 |
| 12/07/24 | 13 | 7:23:23 | 4:32:54 |
| 12/02/23 | 14 | 6:17:21 | 5:59:56 |
| 12/03/22 | 9 | 6:49:30 | 6:11:18 |
| 12/04/21 | 8 | 5:27:43 | 5:43:13 |
| 12/05/20 | Race Cancelled | ||
| 12/07/19 | 13 | 5:08:16 | 4:51:43 |
| 12/01/18 | Results Not Available Submit Results | ||
| 12/02/17 | 4 | 5:25:1750 | |
| 12/03/16 | 3 | 4:57:30 | |