Rock the Loch 5K, 10K & Half Marathon
Castro Valley, CA
- Half Marathon, 10K, 5K
- Road (Paved), Trail (Unpaved)
- Official race website
We cannot promise you’ll encounter any cryptic, aquatic creatures at Loch Chabot, but you might! We DO promise a gorgeous trail run on the scenic trails of Loch Chabot Regional Park, some quality nature therapy, and some incredible views! We’ll also hook you up with some awesome swag (a shirt, … MORE
Local Historical Weather (Jun 28):
| 2026 | 2025 | 2024 | 2023 | 2022 | |
| H (°F) | 75 | 82 | 78 | 64 | 71 |
| L (°F) | 54 | 56 | 56 | 54 | 56 |
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