Calero Trail Run (Spring)
San Jose, CA
- 50K, Marathon, 25K, Half Marathon, 15K, 10K, 5K, Kids Run
- Trail (Unpaved)
- Official race website
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.
Local Historical Weather (May 30):
| 2026 | 2025 | 2024 | 2023 | 2022 | |
| H (°F) | 70 | 83 | 80 | 69 | 73 |
| L (°F) | 55 | 53 | 54 | 53 | 51 |
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