Loading...
Loading...
RACE PROFILE
Castro Valley, California·Half Marathon
Next Race · Jun 26, 2026
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 (an awesome shirt , a handcrafted race woodallion ), a Rock the Loch beer sampler stein , & more), quality post run beverages/snacks, DJ Cryptid spinning your favorite tunes before/during/after the race, and more! I
Historically mild — good conditions with moderate hydration needs.
Historical data (5-year avg)
Generate a personalized pacing and fueling strategy for The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual).
Plan My Race