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Trail Running Calendar near Topanga 2026-2027

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Explore the top trail runs near Topanga 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.

June 2027
Third annual Old Zoo Half Marathon in Griffith Park with a scenic, relatively flat course, Half Marathon and 12K distances, and a Tiger finisher medal.
Trail races at Topanga State Park with 10 km, returning 15 km Garapito route, a junior 1 km, cash prizes, medals, postrace food and shuttles.
July 2027
Timed 5K, 10K, 15K and half marathon at Griffith Park with chip timing, aid station, finisher medals, live results, and free parking.
Experience a 2-mile coastal run at Hermosa Beach featuring a challenging mix of soft and hard-packed sand as part of the International Surf Festival.
September 2027
A 68 mile trail race across the Backbone Trail in the Santa Monica Mountains with about 13,600 ft of ascent, limited to 200 entrants and offering relay teams.
October 2027
A mountain loop from Loma Alta Park in Altadena offering a roughly 100.8-mile course with about 20,000 feet of gain and a concurrent 100K on the same day.
November 2027
A 69-mile out-and-back across the Santa Monica Mountains with about 13,000 ft of climbing, mandatory checkpoints, and three weight categories.
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