Lag Bon 10K

Event Overview

The Lag Bon 10K is a trail running event taking place on Sunday, March 22, 2026. The race starts and finishes at the Lagunitas picnic area at the end of Sky Oaks Road in Fairfax, California. The event aims to raise money and awareness for the global water crisis. Proceeds above the event's cost will be donated to the NGO Evidence Action for its Safe Water Now program.

Course Information

The race is a moderately challenging and beautiful 10 km course. Runners will encounter technical terrain including stairs, bridges, roots, and rocks, alongside flat trail sections. The total elevation gain and loss is approximately 400 feet. The event will be held regardless of weather conditions. There is a 2-hour time limit to complete the course. No dogs or strollers are permitted.

Registration and Details

The registration fee is $50 and includes an event T-shirt, a finisher medal, stickers, and GU energy gels or chews. Registrations after March 6th may not receive the requested shirt size. Participation is limited to 100 runners to minimize environmental impact. Race day registration is not available, and bib transfers are not allowed. Packet pickup is scheduled for Saturday, March 21st at the San Francisco Running Company's Mill Valley location.

Prizes

Prizes are gift cards to the San Francisco Running Company. First-place runners in the Men's, Women's, and Non-binary divisions each receive a $50 gift card. Second-place runners receive a $20 gift card, and third-place runners receive a $10 gift card. Visit the organization's website for the most recent information.