Trail Running calendar near Whittier Narrows 2026-2027

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.

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.

Obstacle course weekend at Pala Fox Raceway with Sprint 5 km, Super 10 km, kids races, spectator options and on-site festival.

Trail races at Noli Indian School on the Soboba Indian Reservation offering marathon, half marathon, 5k and Kids 3k across Native and Open divisions.

A multi-distance running event in Agoura Hills with half marathon, 10K, 5K, 1 mile and multi-race challenges, held around the Santa Monica Mountains with a large post race party.

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-distance trail running event in Ojai, CA featuring ultra distances up to 100 miles, significant elevation gain, a 42 hour race cutoff, and a 150 participant field limit.

Trail race in Placerita Canyon, Santa Clarita on May 1, 2027. Multiple distances from 1 mile to 60K, 6 and 12 hour categories, and team relays. Camping, cupless aid stations, and finisher medals are part of the event.

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 runs of 50K, 25K and 5K at Crystal Cove State Park on May 8, 2027 supporting the John Wayne Cancer Foundation.

A Spartan obstacle-course weekend at Big Bear Mountain Resort with Sprint, Super, Beast and kids races at about 8,200 feet and the chance to earn a Trifecta.

Trail races at O'Neill Regional Park with multiple distances through Trabuco and Live Oak Canyons and a $5 parking fee.

A scenic trail event at Big Bear Mountain Resort featuring singletrack through high altitude pine forest and a 10K route with spectator options.

A spring trail event in the Angeles National Forest featuring a supported 50k with 5,317 ft ascent and a 13.1 mile half, multiple aid stations, finish festival amenities and hand crafted finisher medals.

Trail races in Malibu on June 5, 2027 with distances from a half marathon up to 100K, organized by Keira Henninger Events at Point Mugu State Park; registration opens December 1, 2026.

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.

Trail races at Topanga State Park with 10 km, returning 15 km Garapito route, a junior 1 km, cash prizes, medals, postrace food and shuttles.