Altadena
Trail Running Calendar near Altadena 2026-2027
Explore the top trail runs near Altadena for 2026-2027! We've gathered 47 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
A community run in Griffith Park offering 4K pet friendly and 5K human only divisions with team entries, with proceeds supporting Run for Paws.
Trailsgiving at Elysian Park features 5K, 10K, 15K and half marathon trail loops with finisher medals, live results and free photos on November 14, 2026.
Friendsgiving offers 5K, 10K, 15K and half marathon distances at Whittier Narrows on Nov 15, 2026 with finisher medals, live results and free photos.
Trail running event in Griffith Park, Hollywood on November 21, 2026 offering 10K, half marathon, 30K, marathon and 50K on singletrack and fire road.
A community Turkey Trot at Santa Clarita Central Park on 11/26/2026 featuring a 5K cross country course and a 1K kids run, with proceeds supporting club programs.
Trail races in the Santa Monica Mountains on Thanksgiving morning featuring a half marathon, 10k and 5k with on-course support and a post-race festival.
College of the Canyons Turkey Trot in Santa Clarita features a three-mile campus and trail course, a Kiddie K, live results, free parking, t-shirts and medals for top finishers.
December 2026
An in-person half marathon on Runyon Canyon trails in Los Angeles on Saturday, December 5, 2026, with tickets listed at 0.00 USD.
Night trail races at Marvin Braude Mulholland Gateway Park offering 5K and 10K courses on fire roads; headlamps are required and courses are fully marked.
A charity 5K run and 2.5K walk at Griffith Park supporting local agencies that serve people experiencing homelessness and food insecurity.
Holiday-themed run at Griffith Park offering 5K, 10K, 15K and a half marathon on a shared hard-packed dirt horse trail with medals and aid station.
January 2027
Trail running event at Whittier Narrows Nature Center on January 30, 2027, featuring 10K, 5K and a kids dash with finisher medals.
Four trail and road course options in Griffith Park including an 8 Mile route to the Hollywood Sign, plus a 2.2K kid run, aid stations, chip timing, and race shirts.
Trail races and a kids’ loop in Griffith Park on Jan 31, 2027, anchored by an 8-mile out-and-back to a Hollywood Sign viewpoint.
February 2027
Griffith Park Run on February 6, 2027 in Los Angeles offers a scenic 5K, a 13.1 miles half marathon across park trails, and a dog division with finisher medals.
Valentine's Day trail races at Griffith Park with 5k, 10k, 15k and half marathon options on marked dirt horse trails, aid station, medals and event photos.
A 5 km Spartan obstacle race with 20 obstacles at Dodger Stadium on February 20, 2027, plus kids races and spectator access in Los Angeles.
4 Mile Hill Challenge at Debs Park on 02/20/2027 features a 4 mile run and a 2K youth hill race with a green earth celebration and pet friendly access.