Trail Running calendar near Brea 2026-2027
We have found 76 Trailruns within 80 miles of Brea. See below where and when you can find the races.
We have found 76 Trailruns within 80 miles of Brea. See below where and when you can find the races.
The Boney Mountain Trail Run will take place in Newbury Park on Saturday 7 February 2026. You can run between 7 and 21 kilometers.
Scenic Boney Mountain trail run in Thousand Oaks offers challenging half marathon or 7k routes with creek crossings, single track climbs and ocean views. Enjoy race shirts, medals, free photos, vegan breakfast and a $500 course bonus.
Run scenic, rolling trails through Escondido's Daley Ranch with a rugged 50K two loop challenge or a single loop half marathon. Both races start and finish at Dixon Lake with stocked aid stations and SoCal Ultra Series points.
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.
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.
A trail race in Valencia near Santa Clarita on March 21, 2026 offering 10K, Half Marathon and 50K courses with singletrack, substantial climbing and panoramic ridgeline views. Timing, aid stations and finisher medals are provided.
The Griffith Park Trail Marathon will take place in Los Feliz on Saturday 28 March 2026. You can run between 10 and 50 kilometers.
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.