Simi Valley
Trail Running Calendar near Simi Valley 2026-2027
Explore the top trail runs near Simi Valley for 2026-2027! We've gathered 23 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
A multi-date cross country series at College of the Canyons with campus and hillside courses, age-group divisions, chip timing, and a final race on August 13 with awards and a post-race dinner.
Two days of mud and obstacles in Moorpark on a 5K course with 15 major obstacles, rinse stations, and a Basecamp area with food trucks, vendors and music.
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
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
Halloween themed 5k, 10k, 15k and half marathon at West Creek Park in Valencia on October 4 with looped courses, aid stations, medals and race day registration.
Trail races in Chesebro Canyon near Agoura CA offering a 50K, half marathon and 10K with aid stations, medals and postrace food.
November 2026
The 30th annual Patagonia Salmon Run takes place in Ventura on November 15, 2026, as a 5K (listed at 3.14 miles). Online registration is required, the event aims for zero-waste, and a Patagonia store discount is available to bib holders.
A Thanksgiving Day community run in Santa Clarita offering a 5K cross country course through Central Park and a 1K for children. The event benefits the Santa Clarita Track Club and awards medals to the first 600 competitors.
December 2026
Holiday-themed Jingle Bell races in Valencia on December 6 offering 5k, 10k, 15k and a half marathon on marked looped trails with aid stations and finisher medals.
January 2027
A 68 mile trail race across the Santa Monica Mountains with about 13,600 feet of elevation gain, offering solo and relay entries and a field capped at 200 runners.
February 2027
Multi-hour solo and relay running on an approximately 2.2 mile loop at Will Rogers State Historic Park with full aid every lap and specific crew and pacer rules.
A family friendly run and walk in Valencia CA featuring 1K, 5K and 10K options plus virtual races. The USATF certified course runs along the South Fork River Trail and proceeds support Students Off And Running with an expo and festive activities.
March 2027
Trail running event in Valencia California on 03/20/2027 offering 10K, Half Marathon, and 50K Ultra across hills, ridgelines, and canyon terrain with views of the Santa Clarita Valley.
April 2027
A multi-distance running event in Agoura Hills with half marathon, 10K, 5K, 1 mile and multi-race challenges, held around the Santa Monica Mountains with a large post race party.
Weekend trail event in Ojai, CA offering 100M, 100K, 55M, 55K, 30K and 10K with significant elevation, detailed course marking, 200 spots total and no refunds.