Dolores and 19th streets to Valencia, Valencia south to 24th Street, 24th Street to York, with Harrison and York dedicated to Sunday Streets from 24th Street to 26th Street.

JFK Drive, west of the Conservatory Drive in Golden Gate Park. Join biking mom Jean Fraser on the first Sunday of the month in car-free Golden Gate Park for a group effort to help kids ride without training wheels.

494 14th St. @ Box Dog Bikes, San Francisco.