Expo: Fri.–Sat., May 15–16, Fort Mason Cntr.
Race: Sunday, May 17, 7 a.m.
Starts: Main & Howard Streets
The city’s best-known athletic spectacle returns with world-class runners leading a pack of jogging centipedes and jiggling Elvises over the treacherous Hayes Street hill to the finish at the Ocean Beach parking lot. $59–$139 (discounts for children and groups), 415-864-3432, baytobreakers.com