Glendora
Trail Running Calendar near Glendora 2026-2027
Explore the top trail runs near Glendora for 2026-2027! We've gathered 37 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
Experience Thanksgiving morning on the trails of the Santa Monica Mountains with a half marathon, 10k, or 5k featuring ocean views, a taco breakfast, and a festive beer garden.
December 2026
Holiday-themed trail races at Griffith Park with 5 km, 10 km, 15 km and half marathon loop options on dirt horse trails.
January 2027
Trail running event at Whittier Narrows Nature Center on January 30, 2027, featuring 10K, 5K and a kids dash with finisher medals.
Multi distance trail run and hike in Griffith Park with an out and back to the Hollywood Sign viewpoint, chip timing, aid stations, and finisher awards.
A trail event in Griffith Park with multiple distances, featuring an out and back 8 mile route to the Hollywood Sign viewpoint, aid stations, chip timing, and finisher medals.
February 2027
A half marathon, flat shaded 5K, and a dog-friendly Top Dog race through Griffith Park with medals, food trucks, and on-course water stations.
A night trail relay in Griffith Park where teams of two alternate on a one mile loop, using headlamps and handing off a baton at a marked exchange.
March 2027
An obstacle mud run at Oak Canyon Park in Silverado offering up to 3 miles (5K) of muddy obstacles, with Value and VIP registration options.
Two days of trail runs and road and river bike rides at Griffith Park supporting Streets Are For Everyone's road safety work, with distances from 1K and family rides up to a half marathon and 100 mile ride, based at the Autry Museum.
Trail-running event in Griffith Park, Hollywood offering distances from 10K to 50 Mile on singletrack and fire road with detailed course maps and elevation.
April 2027
Timed 3, 6, and 12 hour running and walking events through Southern California's only coastal redwood grove at Carbon Canyon Regional Park.
May 2027
A 5k through Whittier Narrows Park with tacos, beer for 21+, live mariachi and a post race festival; packet pickup occurs the day before and a 2 hour time limit applies.
June 2027
Trail marathon relay and 8K in Griffith Park on June 6, 2027, featuring a true loop course, aid stations, festival atmosphere, chip timing and awards.
July 2027