Trail Running calendar near Brea 2026-2027

We have found 102 Trailruns within 80 miles of Brea. See below where and when you can find the races.

Trail races at Crystal Cove State Park on December 12, 2026, featuring a prize-backed 15K, a 6K and a Kids 1K with shirts, medals, aid stations and post-race amenities.

Trail races at Daley Ranch near Escondido with 10 Mile, 10K and 5K courses on single track and dirt roads; the 10 Mile reaches Stanley Peak for a 360 degree view and the event limits entries to 300 runners.

Holiday themed races at Griffith Park on December 19 2026 offering 5K, 10K, 15K and half marathon distances on a shared dirt trail.

January 2027

A trail running event centered in Avalon, Catalina Island offering a 50 Mile, a 50K and a TRIPLE CROWN Challenge across the length of the island with ocean views, aid stations and volunteer support.

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.

A 68-mile trail ultra across the Backbone Trail in the Santa Monica Mountains on Jan 16, 2027, capped at 200 runners; solo entrants need a prior 50-mile finish and relay teams are allowed.

Two days of obstacle racing at Lake Perris with Sprint 5 km, Super 10 km, Beast 21 km and kids races on a flat, fast course with mountain views.

Trail run and hike events in Griffith Park on January 24 2027, featuring 8M, 8K, 5K and a 2.2K kids run with marked courses, aid stations, participant shirts and finisher medals.

Trail events in Griffith Park on January 24, 2027, including an 8 mile out and back to the Hollywood Sign viewpoint, an 8K, a 5K, and a 2.2K kids loop with aid stations, timing, shirts, and finisher medals.

Trail races at Lake Hodges in Escondido offering 50K, half marathon, 10K and 5K plus a challenge to complete half, 10K and 5K within five hours for a Demigod medal.

A 24 hour loop race in Perris, CA featuring repeated Molcajete loops, solo and four person team entries, with awards for top individuals and teams.

Trail races in Calabasas on January 30, 2027 offering 100K, 50 mile, 50K, marathon and 30K distances with varied entry fees.

February 2027

A trail event in Big Dalton Canyon offering a **50K solo**, a 4-person 50K relay, and a **10K loop**, with over 9,000 feet of elevation and proceeds to the Wildland Firefighter Foundation.

A multi-distance event in Griffith Park with a flat, shaded 5K, a half marathon across major park trails including a final peak reward, an on-site expo and food trucks, and varied registration fees by race.

Trail races at Daley Ranch on February 13, 2027 include a 50K (two 25K loops) and a half marathon, three fully stocked aid stations, defined cut off times, and pre race training runs.

Multiple distance trail races at Griffith Park on February 14, 2027 featuring dirt trail loops, an aid station, finisher medals, and group discounts.

A 10th annual trail race in San Pasqual Valley with three distances through vineyards and orange groves. Half and 20 mile courses summit Raptor Ridge twice and the finish features a free local wine tasting; field limited to 450.

Timed 24 hour, 12 hour and 6 hour events plus set distances on a 2.2 mile loop at Will Rogers State Park in Pacific Palisades, CA, with relay and crew options.

A family friendly run and walk in Valencia CA featuring 1K, 5K and 10K options plus virtual races. The USATF certified course runs along the South Fork River Trail and proceeds support Students Off And Running with an expo and festive activ..

March 2027

A series of road and trail races on Catalina Island around Avalon and Two Harbors, including a 26.2-mile trail marathon, 10K, 5K and a 1K kids run with island and ocean views.

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