San Lorenzo River Trail Run

San Lorenzo River Trail Run
Date Jul 2025 (TBD)
Distance 10k, Half-marathon, Marathon, 50k, Ultra, 30k
Course Type Trail

Race Information

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. Choose from your choice of race distances 10k, half marathon, 30k, marathon or 50k - there's something for everyone!

T-shirts will be given to all pre-registered runners. Award medals are given to the 1st female and male finishers overall and top three finishers in each age group. All finishers will receive a custom medal.

Advertisement

Related Events

Did you know that this race is part of a series of runs? If you like this race you may want to run one of the following Coastal Trail Runs events.

Run Pick of the Month - Mermaid Run San Francisco

 San Francisco Women's Run with a 10 mile, 10k, and 5k happening September 22, 2024.

Find your happy place amongst an inspiring community of women with the Mermaid Series.

Take in iconic sights such as the Golden Gate Bridge, the Coastal Trail, views of the bay and the city.

This event is ideal for all ages and abilities, plus you'll score sweet swag such as a tech shirt, finisher medals and necklaces, and post race food! 

Use code "RUNSF24" to save 10% on your race registration 

 Click the button below to get all the details!

Get Mermaid Run Info

Pace Calculator

Find your running pace and splits, and learn if you can outrun dangerous animals with the RunGuides run pace calculator.

Tell us your race tips