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Photo: Naked runners brave the chill in the 99th Annual Bay to Breakers race held in San Francisco - SFP2010051604 - UPI.com
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SAN FRANCISCO / Race's naked joggers to be tolerated, barely / They must dress at finish line or get ticketed
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12 Best Naked Races & Rides in America - Bay to Breakers, LA Naked Bike Ride, and Naked SUP - Thrillist
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