Trail Running calendar near Muscoy 2026-2027

Timed 24 hour, 12 hour and 6 hour events on a rolling 2.2 mile loop at Will Rogers State Park in Pacific Palisades, CA. Solo entries and relay teams are accepted and a stocked aid station is available each loop.

Tough Mudder Los Angeles on March 20, 2027 at Lake Elsinore Raceway is a mud obstacle event over scrubland and motor-cross terrain. Race options include 15 plus km, 5 to 8 km, Infinity laps, spectator access, and group packages.

Trail running event in Valencia California on 03/20/2027 offering 10K, Half Marathon, and 50K Ultra across hills, ridgelines, and canyon terrain with views of the Santa Clarita Valley.

Scenic high desert running in Pioneertown featuring a chip timed half marathon and 10K that supports the John Wayne Cancer Foundation. Runners receive a Grit Series shirt in their packet and finisher mug and shirt at the finish.

A mud and obstacle event at Lake Elsinore Raceway on March 20, 2027 offering 15K and 5 to 8K courses, an Infinity multi lap option, spectator access and group packages, with finisher medal, shirt, headband and drink included.

Two days of trail runs and road and river bike rides at Griffith Park supporting Streets Are For Everyone's road safety work, with distances from 1K and family rides up to a half marathon and 100 mile ride, based at the Autry Museum.

Multi distance trail running and gravel bike events at Diamond Valley Lake in Hemet, California. Routes include lakeside loops, out and back courses, a stroller 5K and a kids fun run.

San Diego Spartan Event Weekend at Pala Fox Raceway offers obstacle course racing with a 5 km Sprint featuring 20 obstacles and a 10 km Super with 25 obstacles, plus kids races and spectator options.

Trail races at Noli Indian School in San Jacinto offer marathon, half marathon, 5k and a stroller friendly Kids 3k, with Native and Open divisions and proceeds benefiting the school athletic program.

Leona Divide takes place April 17, 2027 in Lake Hughes, CA, offering multiple trail distances including 100 mile and 100k races that serve as Western States qualifiers. Athlete guides are available and optional bib pickup is set for April 1..

A multi-format trail event in Placerita Canyon offering looped courses, multiple distances and time categories, team relays, camping, cupless aid stations, chip timing, and finisher swag on May 1, 2027 in East Walker Ranch Open Space.

A scenic 5k at Whittier Narrows Park with live mariachi and banda music, water stations, chip timing, and a post-race festival featuring tacos, a beer for 21+, a medal, and a t-shirt.

Trail event at Crystal Cove State Park on May 8, 2027 with 50K, 25K and 5K routes on dirt roads and single track, ocean views, participant shirt and finisher mug, supporting the John Wayne Cancer Foundation.

A two-day Spartan weekend at Big Bear Mountain Resort featuring Sprint, Super and Beast obstacle races at high altitude, plus a kids race and spectator options. The layout includes long climbs and descents and a Trifecta opportunity.

O'Neill Park Trail Races in Trabuco Canyon, California, feature multiple trail distances on May 15, 2027. Registration opens December 1, 2026 and the event has a no-refund policy with rollover options if canceled for weather or fire.

A scenic trail run at Snow Summit in Big Bear Lake, featuring flowy singletrack, technical climbs and descents, Southern Sierra views, wildlife, wildflowers, and a Trail 10K distance on May 16, 2027.

A high country trail event in the Angeles National Forest offering a 50k and a 13.1 mile half marathon, substantial elevation, multiple aid stations, finish festival amenities and a $500 course record bonus for the 50k.

Trail races in Malibu Canyon on June 5, 2027, across single track and fire roads in the coastal Santa Monica Mountains. Distances range from a half marathon to 100k, with athlete guides available for each race.

A trail event in Griffith Park offering a 26.2 mile team marathon relay and a single-loop 8K. Features chip timing for the relay, aid stations with medical staff, shirts, medals, prizes, food vendors and live DJs.