In order to use RunSignup, your browser must accept cookies. Otherwise, you will not be able to register for races or use other functionality of the website. However, your browser doesn't appear to allow cookies by default.
If you still see this message after clicking the link, then your browser settings are likely set to not allow cookies. Please try enabling cookies. You can find instructions at https://www.whatismybrowser.com/guides/how-to-enable-cookies/auto.
Connect, Explore, and Discover San Francisco BaySign Up
Take on the Bay Day Trail Challenge, and explore 30 miles of trails throughout the region. Discover new places and explore the San Francisco Bay Trail, which spans 350 miles throughout all 9 Bay Area counties, and connects communities to parks, open spaces, and to each other. With 30 days to complete the challenge, find the path that’s right for you.Sign Up
Dive into the Bay Day Activity Challenge and complete 10 activities of your choice – on the trail, or even in your own neighborhood. For this highly flexible and customizable challenge, discover the Bay however you want and wherever you are. Whether it’s kite flying, bird-watching, picnicking, or connecting with local culture through Bay Trail art or history-filled audio tours, there are so many ways to explore.Sign Up
This year we have over 250 chances to win prizes and take home swag. The first 200 registrants will receive a commemorative Bay Day t-shirt featuring our home, San Francisco Bay — so make sure to register early.
Everyone who completes the challenge will be entered to win our grand prize, a $500 gift card to Sports Basement. 2 runners-up will receive $50 gift cards to Sports Basement and 50 people who complete the challenge will be sent fun Save The Bay gear.