Trail run
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A classic Marin trail race with a beach finish and post-race food. Start at 7:30 AM for 30K/50K, 8:00 AM for half/10K.
Inside Trail's Mt. Tam Trail Run starts at Stinson Beach and climbs Mt. Tamalpais for big views, then returns via Headlands trails. 10K, half, 30K and 50K options, capped at 500 runners.
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