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Join the Bay Day Challenge from September 8 to October 7, presented by Save The Bay, in partnership with San Francisco Bay Trail. This free, region-wide event lets you create the experience that’s right for you with 30 days of trail recommendations, events, and activities. Walk, run, bike, or paddle 30-miles along the Bay Trail or complete the Bay Activity Challenge any time anywhere. Have fun, build community, and compete for prizes!

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