TRAIL HALF MARATHON


21.1 km (13.1 mi) Trail Run — Sunday, October 4, 2026

A trail half marathon through China Camp State Park and the Marin hills — wild, scenic and unmistakably SGRAIL. Coastal fog, single-track and Bay views.

 

Distance: 21.1 km (13.1 mi) · approx. +380 m (+1,251 ft) elevation gain.

 

Course map: Trail Half Marathon route

 

Race both days — Saturday’s Olympic Triathlon and Sunday’s Trail Half Marathon — to earn extra awards.