Monrovia
Trail Running Calendar near Monrovia 2026-2027
Explore the top trail runs near Monrovia for 2026-2027! We've gathered 34 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
A day of marked trail races in Griffith Park offering 50K, marathon, 30K, half and 10K distances with aid stations and GPX course files.
Trail races near Reseda in the Santa Monica Mountains offering a half marathon, 10k and 5k with race swag, awards, free photography and a $500 winners prize for the half.
December 2026
January 2027
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.
Multiple distance trail races at Griffith Park on February 14, 2027 featuring dirt trail loops, an aid station, finisher medals, and group discounts.
March 2027
A waterfront running festival in Long Beach on March 20, 2027 featuring races from 5k to a half marathon, a beer mile with four included beers and a nonprofit beer tasting alongside a one mile Beer Stroll.
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.
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
A trail event in Griffith Park offering a 26.2 mile team marathon relay and a single-loop 8K. Features chip timing for the relay, aid stations with medical staff, shirts, medals, prizes, food vendors and live DJs.