2027 OC Marathon - May 2

A fast, net-downhill point-to-point that drops from about 170 ft (52 m) near the start to roughly 60 ft (18 m) at the finish, with around +170 m of total climbing spread over a few rolling sections. Most of the elevation loss comes in the first 5 miles; the only notable bumps are short hills near miles 7, 11, the 405 Freeway overpass at mile 14.5 (about 50 ft / 15 m), and near mile 22. USATF-certified and an official Boston qualifier; entry is first-come. +170m elevation