Cowles Mountain
Trail Running Calendar near Cowles Mountain 2026-2027
Explore the top trail runs near Cowles Mountain for 2026-2027! We've gathered 29 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
Free untimed community run in Del Mar on groomed trails with a 3 mile out and back course, a throwback shirt and medal for participants, limited to 200 and registration opens August 3.
September 2026
Trail races in Pine Valley, California on September 5, 2026 offering 50 kilometer and 15 kilometer options. Both races have fixed cutoffs, marked trails with frequent ribbons, staffed aid stations, and specific rules for pacers, crews, and drop bags.
A memorial stair climb in San Diego honoring the 403 emergency responders of 9/11 while raising funds for FirefighterAid at 1 Park Blvd.
Sprint orienteering along San Diego’s Embarcadero and Seaport Village with beginner, intermediate, and advanced timed courses and electronic punching.
A San Marcos event on September 26, 2026 offering a 10K competitive race, a 5K fun run and a free Kids Trot with medals, shirts and expo access.
October 2026
Cuyamaca 100k is a 100 kilometer trail race in San Diego on Oct 3, 2026, crossing oak woodlands, meadows, pine forest and chaparral. The 2026 event is a Western States 2027 qualifier and supports outdoor education and public lands causes.
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 revived, limited field 200 mile endurance run around San Diego County across coastal, urban, mountain and desert terrain with an 82 hour cutoff and required crew.
November 2026
Roosters Backyard Ultra in San Diego on November 14, 2026 is a backyard-style running event on a smooth hard packed trail with a single gentle hill; dog friendly with car camping.
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.
Trail event in San Diego on Dec 20, 2026 offering marathon, half marathon, 10K and a new 6 hour hill climb on a 2.5 mile loop with costume and hill 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