Sunday, Dec. 8, 8:30 a.m.
Starts/Ends: Crissy Field
(across from Sports Basement)
This 3.09-mile figure-eight course is flat, fast, and scenic; the kids Rudolph one-miler along the dirt trail starts at 9:10 a.m. Santa suits provided in race packet. $25–$40, titanium-racing.com