Sunday, Dec. 10, 8:30 a.m.
Starts/Ends: Crissy Field (across from Sports Basement)
This 3.09-mile figure-eight course around Crissy Field is flat, fast, and scenic; the Rudolph one-miler along the dirt trail starts at 9 a.m. ($25). Santa suits provided in race packet. Proceeds benefit Sonoma County high school cross-country teams impacted by fire devastation. Family/team discounts available. $50, titanium-racing.com