Trail Running calendar near Green Valley Lake 2026-2027

A free, social trail run on Saturday, February 7, 2026 in Newport Coast and Laguna Coast Wilderness Park. The route is about 7.5 miles with roughly 1,290 ft of elevation gain and finishes with snacks and a raffle.

The The Ranch 50K will take place in Escondido on Saturday 14 February 2026. You can run between 21 and 50 kilometers.

Celebrate Valentine’s Day with a scenic trail run in Griffith Park Los Angeles. Choose from 5k, 10k, 15k or half marathon loops and enjoy aid stations, a finisher medal, free photos and post race snacks.

Trail race in San Pasqual Valley with 20 mile, half marathon and 10K options; the longer courses summit Raptor Ridge twice and most of the terrain is single track. Finish line features a free wine tasting with local vineyards.

Run rolling trails at Debs Park in the 4 Mile Hill Challenge, with a scenic 4 mile route, a spirited 2K youth climb and a green earth celebration. Note the event is currently listed as postponed.

Run through an active limestone quarry at the Cemex Quarry Quest 5K in Rialto, where rugged terrain and towering industrial equipment create a thrilling backdrop. Enjoy a memorable race while supporting cancer awareness and fundraising.

Trail races at Whiting Ranch Wilderness Park on March 21, 2026 feature 6k, 10k, half marathon and 30k courses through oak-filled foothills with marked support and event swag. Finishers are offered a complimentary beer with a meal at a local..

A rugged high desert half marathon and 10K in Pioneertown with views of the Sawtooth Mountains. Proceeds support the John Wayne Cancer Foundation and entries include chip timing, aid stations, a finisher mug and a finisher shirt.

A loop-based trail endurance event in Fallbrook, CA on March 21, 2026 offering 12 hour solo, 12 hour team, and 6 hour solo formats. Each 4 mile loop gains about 1,300 feet and a stocked aid station supports every lap.

The Griffith Park Trail Marathon will take place in Los Angeles on Saturday 28 March 2026. You can run between 10 and 50 miles.

Challenge yourself at the Billy Goat Mountain Climb on April 4, 2026 in Cleveland National Forest near Silverado CA. Choose the 17 Miler Silverado Loop, Half Marathon or 10K and tackle rugged trails with big climbs and creekside scenery.

Trail run and hike options of 6K and 10 mile take place in El Moro Canyon at Crystal Cove State Park on April 4, 2026. Registration includes race photos, a shirt, and a finisher medal; park parking is $15 per vehicle.

Hoppy Easter invites runners to tackle 5k, 10k, 15k and half marathon routes through Griffith Park, Los Angeles on April 4, 2026. Enjoy scenic trails, a custom finisher medal, free photos and snacks for a festive spring run.

Two days of trail runs and gravel bike rides at Diamond Valley Lake Marina featuring marathon, shorter trail distances, youth and stroller events, plus gravel rides around the lake and finisher shirts and medals for multiple races.

Retro themed runs at Bolsa Chica State Beach on April 12, 2026 featuring 5K, 10K, a half marathon and a kids dash, plus a costume contest, live DJ, vendors, chip timing and oceanfront course views.

Badwater Salton Sea is an epic 81 mile team ultra from the Salton Sea to Palomar Mountain, gaining over 9,000 feet across desert roads and single track. Teams of two or three run together through extreme heat and wildly variable conditions.

Take on rugged single track and sandy climbs at the Annual NATRO@NOLI Indian School Trail Races in San Jacinto, CA. Marathon, Half, 5k and Kids 3k distances, limited spots, with proceeds supporting Noli Indian School.

A looped trail event at Lake Perris offering 10k, 50k and 100k with significant elevation gain, aid stations, group camping, and double-challenge buckles.

Tackle the Shadow Strike Unsanctioned Run in Chino Hills, a 4+ mile all terrain challenge across trails, gravel and open streets. No clocks, just navigation to checkpoints and cash prizes for top finishers and random participants.

A 13.5-mile trail race on fire roads and single track in Limestone Canyon with 2,719 feet of elevation gain, two aid stations, cupless policy, and limited packet pickup options.