Sonoma
Trail Running Calendar near Sonoma 2026-2027
Explore the top trail runs near Sonoma for 2026-2027! We've gathered 28 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
A limited-field island race on August 29, 2026 featuring a scenic half marathon and 10K circling Angel Island with ferry access and medals for half finishers.
A community 4.75-mile climb up and down Bald Hill in San Anselmo on August 29, 2026, finishing at Live on the Avenue with a t-shirt, live music, and a prize for the middle finisher.
The 33rd annual Phil Widener Empire Open is a 3.4 miles PA/USATF cross country race at Spring Lake Regional Park featuring rugged trails and a $1500 prize purse.
September 2026
Monthly Richmond meetups offering a community hike plus an optional trail-run option, organized by FIERCE Advocates with Moving Forward and Richmond Run Club.
Trail and virtual races at China Camp State Park on September 13 2026 offering Half Marathon, 10K and 5K with a finish-line party and event swag.
A community ultramarathon and hike at Skyline Wilderness Park in Napa, CA, featuring a 3.3-mile loop repeated up to ten times in an hourly format to raise funds for the Pheo Para Alliance.
October 2026
A weekend of Olympic-distance triathlon, an Olympic relay, a trail half marathon and a kids fun event at McNear’s Beach Park in San Rafael.
PA-USATF cross-country races at China Camp State Park on Oct 11, 2026, with a roughly 4.25 mile rolling single track course and three race divisions.
Scenic trail half in the Marin Headlands: 13.6 miles, 2,156 ft climbing, four aid stations, childcare grants, training support, and a $25,000 prize purse.
Cross-country meet at Radke Martinez Regional Shoreline on Oct 24, 2026 featuring three 4.1 mile races over grass, dirt, and path; online registration closes Oct 23.
November 2026
Trail races from 10K to 50K around Mt Tamalpais, held at Stinson Beach with technical trails, significant climb, cupless aid stations, and chip timing.
A 28.4 mile out and back in Mill Valley California with steep stairs, about 9,000 feet of climbing, aid stations on course, and mandatory use of the Dipsea Trail.
December 2026
Trail races of 30K, half marathon and 10K at China Camp State Park near San Rafael, with chip timing, cupless aid stations, and bay and Mt. Tam views.
A limited field half marathon and 10K circling Angel Island with ferry access, scenic views and a 3.5 hour course cut off.
February 2027
March 2027
Three days of trail races in Marin County offering a point-to-point 100K plus single-loop 50K and 28K with chip timing and aid stations.
April 2027
Trail race on April 17, 2027 featuring a hilly half marathon, a 10K, and a 5K through Spring Lake and Annadel State Park.