Trail Running calendar near Coto de Caza 2026-2027

A two day trail festival in Big Bear Lake, California featuring five distances and varied terrain around the lake. The 2026 event is the UTMB World Series Americas Major and serves as a dual qualifier for UTMB Finals and Western States.

Trail races of 50 Mile, 50K and 30K through Cleveland National Forest near Silverado CA on remote forest roads with significant climbing, staffed aid stations, drop bag support, and specific crew and pacer rules.

Ruff Run California on 10/17/2026 in Phelan, CA presents a 20 acre obstacle course for people and their dogs with over 20 obstacles, 4K and 1K options, and an after party with music, games and vendors.

A multi-format running event on the Cahuilla Indian Reservation in Anza, California, offering fixed-time races, a 100-mile option, a half marathon and a Tribal Member 5k while fundraising for youth and family programs.

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 trail race at Vasquez Rocks Natural Area Park on October 17, 2026 offering Half Marathon+, 15K, 10K and 5K looped courses over rocky single track, a 500 foot tunnel on the Pacific Crest Trail, multiple aid stations, and finisher swag.

The Peak offers 50K, marathon and half marathon courses that climb Cuyamaca Peak via single-track trails, with aid stations at Sweetwater and Cuyamaca Peak and GPS course files provided. Registration opens April 1, 2026.

Trail races at Hahamongna Watershed Park on October 18, 2026 offering half marathon, 10K and 5K distances. The half marathon is presented as the organizer's flagship trail event and is reported to sell out quickly.

A 200 mile multi-day endurance run around San Diego County held October 23–26 in Escondido, California. The race has an 82 hour limit, requires a crew, and is limited to 24 experienced ultrarunners.

A trail race weekend at Los Coyotes Reservation featuring Single Loop, 6H Ultra and 24H Ultra options across desert and alpine trails. Ragnar Village provides camping, bonfires, food trucks and evening activities.

A team trail relay at Los Coyotes Reservation on October 23 and 24, 2026 featuring desert and mountain single track, a 112.8 mile course shared across teams, and on site camping plus glamping at Ragnar Village.

A trail running event at Caspers Wilderness Park on October 24, 2026, offering 10k, half marathon, 35k, marathon and 50k courses. Courses are described as marked and supported, with an athlete guide and past results available.

Trail running at Wildwood Canyon State Park on a 3.7 mile loop with about 600 ft vertical per loop; an eight-hour loop option and a 6K share the same course, with aid stations, vendors, a morning bluegrass band, and an after-party in Yucaip..

A trail running event in Chesebro Canyon near Agoura, California offering 50K, a trail half marathon and a 5k on varied singletrack and fire roads. Aid stations, finisher medals, post-race tacos and a beer garden for ages 21 and up.

A multi-distance ultramarathon at Lake Perris featuring looped courses, significant elevation, on-course aid stations, group camping, pacer rules, and cash prizes for 100- and 200-mile podiums. The 200-mile race is noted as especially deman..

A timed trail event at Crystal Cove State Park in Laguna Beach on October 31, 2026, offering 6 hour and 4 hour options. Parking costs $15 with card payment only; registration closes Oct 28 at 12:00 PM PT and there are no refunds.

Trail race in the Pine Creek Wilderness on a wide dirt fire road with an uphill out and downhill return, offering a half marathon and a 10 km option and parking at Horsethief Canyon Trailhead.

Trail races from Black Star Canyon near Silverado, CA, with marathon, new 25k, half and 10k distances; marathon gains 4,244 ft and multiple aid stations are located along the route.

A six hour timed run on a five mile loop around a San Diego lake with chip timing and four aid stations. The course is mostly flat with a few gentle hills and includes on-course support and a post-race lunch.

A trail running event in Avalon, Catalina Island with a 13.1 mile half-marathon, a 10K, a 1K kids run, and a Triple Crown challenge offering coastal views and inland climbs.