The SkirtChaser 5K is a race with a twist: women runners get a three-minute head start on the menfolk, who must then sprint to catch up to the pack (athletic skirts are optional, but encouraged — pick one up along with your registration fees). Part of a series of races held nationwide (the Bay Area version benefits Chances for Children), SkirtChaser offers a grand prize of $500 to the first finisher (male or female), and additional bonus goodies, like free sunglasses to the first couple who cross the line together. There's also a post-dash fashion show and live entertainment segment, complete with dating games. (Hsu)

2 p.m. (women's start); 2:03 p.m. (men's start), $35–$85

Golden Gate Park, Music Pavilion,

36th Ave. at Fulton, SF

www.skirtchaser5k.com

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