Simi Valley
Trail Running Calendar near Simi Valley 2026-2027
Explore the top trail runs near Simi Valley for 2026-2027! We've gathered 25 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
A sunset 10k in Topanga Canyon through Red Rock Canyon featuring steep climbs, singletrack, a descent to the finish, and a post-run gathering under the oaks.
Trail races of 50K, 30K and 15K through Rocky Peak, Las Lljas and Tapo Canyon around Corriganville Park in Simi Valley, CA.
October 2026
SEB Mud Run in Castaic on October 3, 2026 features a chip timed 4 mile mud obstacle and a 1 mile kids fun run with showers and changing tents on site.
A stair-climbing event in Central Park, Santa Clarita on October 10, 2026 to raise awareness for rare diseases; registration fee $20 and donations accepted.
Trail races in Cheeseboro Canyon offering 50k, Half Marathon and 10k courses across varied singletrack, fire roads and scenic climbs with aid stations and post-race festival amenities.
November 2026
The 30th Patagonia Salmon Run in Ventura on November 15, 2026 is a 3.14-mile event supporting Santa Barbara Channelkeeper with a zero-waste focus and limited online registration.
A multi-day trail event on the Backbone Trail in Malibu covering roughly 69 miles with about 13,000 ft of elevation and categories for runner, light, heavy, and volunteer.
A 3 miles cross-country race on the Villanova Preparatory campus in Ojai featuring mostly dirt trails, rolling and steep hills, electronic timing, and finisher medals.
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 running in Valencia on December 6 offering 5k, 10k, 15k and a half marathon on marked looped courses with aid stations and finisher medals.
January 2027
A 68 miles ultra across the Backbone Trail in the Santa Monica Mountains with about 13,600 feet of climbing, solo or relay entries and a 200 runner cap.
February 2027
Trail races at Will Rogers State Historic Park offering looped distance and timed options on a rolling two mile course in Pacific Palisades.
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 martial arts themed set of races on April 3, 2027 in Canoga Park, CA offering 5K, 10K, a 13.1 mile half, and a virtual option.
A multi-distance running event in Agoura Hills featuring a scenic Chesebro Half Marathon mostly on trail plus 5K, 10K, mile races, challenge options, virtual entries and post race amenities.