Topanga
Trail Running Calendar near Topanga 2026-2027
Explore the top trail runs near Topanga for 2026-2027! We've gathered 46 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
Free weekly 5 km community event at Upper Las Virgenes Canyon Open Space Reserve in Woodland Hills, organised by volunteers; bring a scannable barcode for a recorded time.
Course preview at Rancho Simi Park in Simi Valley with marked looped routes, aid stations each loop, and options from 5k to half marathon.
September 2026
A one-day cross country meet in Santa Clarita on September 5, 2026 featuring a 4K open race for runners 19 and older with a $15 entry fee.
Inaugural Scary Dairy community race in Camarillo on September 6, 2026 supporting high school cross country, a 3 Mile open race with chip timing and shuttle service.
Evening trail relay and 5K at Griffith Park featuring team relays, a 1K kid run, live music, golden hour photos, medals, and awards.
A trail 10k and a non-timed 4.5 mile Hiker's Delight in Red Rock Canyon with steep fireroad climbs, singletrack, aid stations, shuttle-only access and festival amenities.
An urban event in downtown Los Angeles with a stair climb up 1,664 steps at the U.S. Bank Tower, an Urban Hike past major cultural sites, a Heroes Challenge category, and a virtual participation option.
A chip timed 5K trail run and walk at Ascot Hills Park with city views, finisher shirt and medal, live results and community activities.
Trail running event in Simi Valley with 50K, 30K and 15K routes through Rocky Peak, Las Lljas and Tapo Canyon and multiple aid stations.
October 2026
An obstacle course mud event in Castaic with a chip timed 4 mile and a 1 mile kids fun run, plus on site showers and changing tents.
A 5K on shaded eucalyptus horse trails at Ernie Howlett Park in Palos Verdes Peninsula on October 4, 2026. In person and virtual options are available, plus a fundraising route that waives the fee with at least $100 raised for Strides in Recovery.
Halloween themed running event in Valencia offering 5k, 10k, 15k and a half marathon with marked loops, aid stations, and finisher medals.
A stair-climbing event in Central Park, Santa Clarita on October 10, 2026 to raise awareness for rare diseases; registration fee $20 and donations accepted.
Trail races in Cheeseboro Canyon offering 50k, Half Marathon and 10k courses across varied singletrack, fire roads and scenic climbs with aid stations and post-race festival amenities.
A 5K event in Los Angeles on October 25, 2026 to raise funds for dyslexia education, offered both in-person and virtual with a flat one loop course and free parking.
November 2026
Night trail races of 5K and 10K at Marvin Braude Mulholland Gateway Park in Tarzana, CA with marked fire road courses and a required headlamp.