Bay
To
Lake

A self organized 100km relay race in the San Francisco Bay Area

Established in 2022

The Community Driven Athletic Event
Of The Year

  • Run with your friends in a team relay race from San Francisco to somewhere far, far away,
  • This is organized by a group of local runners trying to have a good time,
  • So have fun, stay hydrated, work together, and try not to get too lost ✌️

About

What is this?

Bay To Lake is a self organized long distance relay race.
This is not an official athletic event. There are no road closures, chip timers, or route markings.
You are responsible for your own safety and the safety of other participants.

How do I participate?

You can sign up as part of a team, or individually and we will try to place you on a team.
Team size is 6-8 athletes with 2 optional support drivers.
The cost to participate is around $45-$65 per person.

More Information
September 12th, 2026

Bay to Lake 2026

Information for the 2026 race. This is gearing up to be the most scenic race yet, through the Redwoods in San Mateo County.

September 27th, 2025

Bay to Lake 2025

In our first international race, the team from China took the gold medal in a photo finish.

September 21st, 2024

Bay to Lake 2024

These animals ran all the from San Francisco to the north bay, over the richmond bridge, into Berkeley, then into the Oakland Hills. Congrats to the Leopard Print Leopards team!

September 16th, 2023

Bay to Lake 2023

In this scenic run along the coast, the Yellow Pineapples took the lead and won by a landslide.

September 18th, 2022

Bay to Lake 2022

In our inagural run from San Francisco to Spring Lake Campground in Santa Rosa, the Green Team won in a neck to neck finish with the Blue Team.

2022 - Now

Photos

Some of our favorite shots taken over the years, in no particular order. If you have some pictures you'd like to share, send them to baytolake@hazybridge.com