San Diego
Trail Running Calendar near San Diego 2026-2027
Explore the top trail runs near San Diego for 2026-2027! We've gathered 23 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
Free untimed 3 mile community trail run in Del Mar on August 26, 2026, limited to 250 participants with a throwback shirt and medal for each finisher.
September 2026
A memorial stair climb in San Diego on September 5, 2026 honoring the 403 emergency responders of 9/11 and raising funds for FirefighterAid.
Double Peak Challenge in San Marcos on September 26, 2026 offers 10K, 5K and a free Kids Trot plus a race expo and awards.
October 2026
Experience a diverse weekend of trail running and off road duathlon at San Diego’s Scenic Lake Hodges. Choose from distances ranging from a kid’s mile to a 50K ultra marathon or tackle the mountain bike and run challenge.
A 200-mile, multi-day endurance run around San Diego County with an 82-hour cutoff, required crew support, rugged terrain, and a limited 24-runner field.
November 2026
Backyard style running event in the San Diego area with a hard packed trail, a small hill, car camping and dog friendly policies.
December 2026
Trail 5K and 10K at Elfin Forest Recreational Reserve with chip timing, a 1K kids run, a 10K team competition, and proceeds shared with local conservancy.
Timed 6 and 12 hour loop trail races on a ~1.5 mile singletrack near Ramona with a single aid station and limited entries for SURF members.
Holiday trail event in San Diego on Dec 20, 2026 offering marathon, half marathon, 10K and a 6 hour hill climb with costume awards.
January 2027
Experience a diverse trail running event in Escondido featuring everything from a 50 mile ultra to a stroller friendly 5k. Explore the valley floor or climb to the summit of Raptor Ridge in this cupless race series.
February 2027
A 10th annual trail race in San Pasqual Valley with three distances through vineyards and orange groves. Half and 20 mile courses summit Raptor Ridge twice and the finish features a free local wine tasting; field limited to 450.
A self supported single loop 51 mile trail run around San Diego with about 5000 ft elevation change, no course markings and no organized aid.
A loop-course trail event in Poway, CA offering 100K (solo or relay), 50K (solo or relay), and a half marathon on February 27, 2027.
March 2027