Trail Running calendar near Coto de Caza 2026-2027

O'Neill Park Trail Races in Trabuco Canyon on May 16, 2026 invites trail lovers to run through oak and sycamore lined canyons. Choose from 50k, marathon, 30k, half marathon or 10k for a challenging and rewarding day on scenic single track.

Run into the 1980s with The Cobra 5Kai, 10Kai & Half Miyagithon along the LA River Path in Canoga Park. Costume friendly, with throwback tunes, a finisher’s medal and plenty of crowd energy; crane kicks encouraged.

Race the 10K Spartan Trail at Big Bear on May 17, 2026, across technical singletrack in high altitude pine forest with sweeping Southern Sierra views. The weekend includes Spartan obstacle races and a GOVX service member discount.

Join the 17th Nanny Goat May 23 to 24 in Riverside for looped one mile laps on a flat ranch course with camping, swimming and family friendly amenities. Options span 3 hour to 100 mile plus a 24 hour relay with on site support.

Return to Hahamongna Watershed Park on May 24, 2026 for a day of team relays and solo challenges. Choose a 50 km relay with teams of up to five, a solo 50 km ultra, or a 10 km fun run amid scenic Pasadena trails.

Pacifico Ultra is a fully supported trail race near Palmdale CA with a challenging 50k and half marathon across technical singletrack and mountain roads. Expect high elevation, aid stations, shuttle service and a true wilderness vibe.

On June 6, 2026, tackle coastal singletrack and fire road through the Santa Monica Mountains and Point Mugu with distances from half marathon to 100k. Scenic, challenging courses and full athlete guides make this a standout Malibu trail eve..

Tackle the PCT 50, a 50 mile trail run on June 6 in Cleveland National Forest with about 7,500 feet of gain on rugged single track. Expect rocky climbs and well stocked aid stations to keep you moving.

Run Fullerton's inaugural 5K on dirt trails through Brea Dam and along the tennis center and golf course. Afterward enjoy a Health and Wellness Fair with local vendors, fitness demos and food trucks.

Run the Griffith Park Trail Marathon Relay or 8K on June 7 at the Lower Old Zoo, with scenic trails and views of the abandoned zoo, Observatory and Hollywood Sign. Teams up to five, plus chip timing, medals, shirts, DJs and food trucks.

Run the scenic Holcomb Valley Trail Run around Big Bear Lake on courses of 33, 14, or 7 miles along the Pacific Crest Trail. Enjoy rugged mountain views while supporting local volunteer search and rescue.

The ABWR Half Marathon - Griffith Park will take place in Griffith Park on Saturday 13 June 2026. You can run between 5 and 21 kilometers.

Phoenix Rising at Griffith Park in Los Angeles on June 13, 2026 offers 5k, 10k, 15k and half marathon trail friendly courses. Enjoy a marked dirt trail, aid station, finisher medal and free photos in a lively community race.

Run the scenic Old Zoo Half Marathon in Griffith Park, Los Angeles on June 14, 2026, with half marathon and 12K options on mostly flat trail courses. Enjoy a commemorative elephant finisher medal, music and postrace refreshments.

Challenge yourself on rugged single track through chaparral and manzanita at Black Mountain with 50K, 25K, and half marathon options. Expect technical climbs, scenic coastal views, and aid stations relayed by ham radio teams.

Tough Topanga on June 20 at Topanga State Park features 15k, 10k, a Junior 1k and an untimed Hiker's Delight on scenic singletrack and fire roads. Expect full aid, chip timing and a festive post race beer garden.

The Mt. Baldy 5000 is a scenic mountain 5K that climbs almost entirely uphill to a sunset finish with sweeping mountain views and spectator friendly sections. Post race BBQ, live music and a chairlift ride cap the evening.

Challenge yourself on the scenic Harding Hustle in the Santa Ana Mountains near Silverado, CA, choosing 50K, 30K or 15K on rugged dirt roads. Enjoy staffed aid stations, chip timing and finisher awards while tackling big climbs and July hea..

Tackle scenic 10k or 25k trails at Point Mugu State Park with Channel Islands and Boney Mountain views, chip timing, finisher medal and tee. Enjoy a post race festival with breakfast tacos and a beer garden.

The ABWR Half Marathon - Griffith Park will take place in Griffith Park on Saturday 18 July 2026. You can run between 3 and 13 miles.