Simi Valley

Trail Running Calendar near Simi Valley 2026-2027

Explore the top trail runs near Simi Valley for 2026-2027! We've gathered 26 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

June 2027

Tough Topanga

Topanga | 16 mi from Simi Valley

Trail Run 10 km 15 km

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.

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

Tough Mugu

Malibu | 16 mi from Simi Valley

Trail Run 10 km 25 km

Trail races of 25k, 10k and 5 mile at Point Mugu State Park on July 18, 2026 with aid stations, medals and a post-race festival.

Trail races of 25k, 10k and 5 mile at Point Mugu State Park on July 18, 2026 with aid stations, medals and a post-race festival.

August 2027

The Bulldog Ultra

Calabasas | 11 mi from Simi Valley

Trail Run 25 km 50 km

25k and 50k trail races in the Santa Monica Mountains at Malibu Creek State Park on August 15, 2026, with chip timing and a cash prize purse.

25k and 50k trail races in the Santa Monica Mountains at Malibu Creek State Park on August 15, 2026, with chip timing and a cash prize purse.

September 2027

Backbone Trail Ultra

Santa Monica Mountains | 13 mi from Simi Valley

Trail Run 68 mi

A 68-mile trail ultra across the Backbone Trail in the Santa Monica Mountains with about 13,600 feet of climb, solo and 2 to 4 person relay options, capped at 200 runners.

A 68-mile trail ultra across the Backbone Trail in the Santa Monica Mountains with about 13,600 feet of climb, solo and 2 to 4 person relay options, capped at 200 runners.

October 2027

No Name Trail Race

Agoura Hills | 8 mi from Simi Valley

Trail Run 10 km Half Marathon 50 km

Trail running in Cheeseboro Canyon with 50k, half marathon and 10k options across singletrack, fire roads and varied canyon scenery.

Trail running in Cheeseboro Canyon with 50k, half marathon and 10k options across singletrack, fire roads and varied canyon scenery.

November 2027

Ocali 69

Malibu | 16 mi from Simi Valley

Trail Run 69 mi

A 69 miles out and back on the Backbone Trail above Malibu with nearly 13,000 ft of climbing, solo self-sufficient categories and time based Dog Tag awards.

A 69 miles out and back on the Backbone Trail above Malibu with nearly 13,000 ft of climbing, solo self-sufficient categories and time based Dog Tag awards.