Sat, Nov 7, 2026 · 8:45 AM · Castro Valley, California
Lake Chabot Trail Run
5KHalf MarathonMarathonUltra
Saturday, July 10, 2027 · 8:15 AM · Santa Cruz, California
San Lorenzo River Trail Run
Register for 10K (opens in a new tab)Register for Half Marathon (opens in a new tab)Register for 30K (opens in a new tab)Register for Marathon (opens in a new tab)Register for 50K (opens in a new tab)Register for Kid's Run (6yo & younger, 1/4 mi) - Free! (opens in a new tab)Register for Coastal Testing (opens in a new tab)
Race Info
Run through 300 foot tall, 1500 year-old Coastal Redwoods, lush stream canyons, open meadows, pine and oak forests, and high dry chaparral-covered ridges. The Half Marathon, 30K, Marathon, and 50K events cross the San Lorenzo River (shown above) multiple times!
(Distances are accurately measured using a Rolatape® surveyor's measuring wheel.)
- Time limit
- No time limit listed by the organizer
- Walkers
- Not mentioned — ask the organizer
- Terrain
- Not stated
- Certified
- Not stated
Pulled from the organizer's own race description — per the organizer, not independently verified.
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Source
Race details on this page come from RunSignup.
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San Lorenzo River Trail Run
Sat, Jul 10, 2027 · Free-$96.40