Harvey West Park (Friendship Picnic Area), Santa Cruz CA
Saturday, July 11th, 2026
Race Overview
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 multiple times!
Event Details
- Date: 2026-07-11
- Location: Harvey West Park (Friendship Picnic Area), Santa Cruz, CA
- Distances: Half Marathon, 30K, Marathon, and 50K
- Measurements: Distances are accurately measured using a Rolatape® surveyor's measuring wheel.
Registration
For more information and to register, please visit the official race page: San Lorenzo River Trail Run.
Training for a trail ultra?
The traction, hydration, and lighting the trail calls for.
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New Balance Men's 410 V8 Trail Running Shoe
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Course Map
Train for this race
Find a local run club
Run clubs in Santa Cruz, CA host weekly group runs — a great way to prep for race day.
