Trail Running Calendar California 2026-2027

We have found 381 Trailruns in California. Check below where and when you can find the races.

Trail running at Calero County Park with multiple distances across single track and dirt paths, significant climbs, aid stations and free parking at the park.

A trail race in Auburn, California on July 26, 2026 offering 10.5 mile and 5.9 mile courses on single track, canal, dirt and some paved surfaces. Post race food and beer are provided to finishers aged 21 or older.

A 135-mile invitational ultramarathon from Badwater Basin in Death Valley to Whitney Portal on Mt. Whitney, the event covers three mountain ranges and about 14,600 feet of ascent; competitors race with a dedicated support crew and limited f..

An evening trail event in Pasadena's Lower Arroyo Park offering 6K and 12K routes with chip timing and aid stations. The finish includes tacos and drinks and runners receive a commemorative shirt and wooden medal.

August 2026

Experience a scenic mountain race through the pine forests of the San Bernardino National Forest. Run alongside the lake and onto forest trails with distances including a 5k, 10k, and Half Marathon.

Experience trail running in Orange County with several race distances ranging from a 5k to a 6 hour timed challenge. Navigate a scenic 3.3 mile looped course with multiple early bib pickup options available.

A multi-distance trail event at Rodeo Beach in the Marin Headlands offering 50K, 30K, Half Marathon and 8K courses with coastal single track, significant elevation, ocean views, varied aid stations, and chip timing.

A multi-loop trail marathon near Soda Springs, CA covering about 26.4 miles and 4,300 ft of gain across Royal Gorge land, with a central aid station, solo and relay options, parking at Soda Springs Ski Resort, and shuttle service to the aid..

A historic trail 50K and half marathon around Lake Chabot in Castro Valley, featuring a large loop through East Bay Regional Parks with substantial climbing. Finishers receive a shirt, socks, and a medal, and podium awards are presented.

Mountain trail race at Balsam Forebay, Shaver Lake offering 14K (8.7 mi) and 8K (4.97 mi) courses with notable climbs and Sierra views. Field capped at 250; includes shirts, finisher medals, awards, and post-race refreshments.

A time based trail event at Skyline Wilderness Park in Napa on August 8, 2026 where runners cover as much distance as possible in three, six, or twelve hour formats. Main loops are 4.16 miles with roughly 815 feet of elevation per lap; the..

A high Sierra trail event at Horse Canyon Trail Junction offering 5.6M, 10.5M, 21M and 50K options across alpine loops. The course sits near 7,400 feet with two aid stations, limited field size, and variable mountain weather.

Trail races through redwood forests around Mt. Madonna with 5K, 10K, and half marathon options and significant elevation gain. Proceeds support a nonprofit scholarship program that funds youth trail running camp experiences.

Trail races in Lafayette on August 8 2026 include a half marathon, 10K and 5K through Briones Regional Park. All courses have hills and use electronic chip timing; finishers receive medals and shirts.

Operation YOSEMITE on August 8, 2026 is a load-carrying trail event near June Lake and Silver Lake in Mono County, California. Distances range from 6 to 22 miles with notable elevation gain and a 20 lb dry load requirement.

SAR Wild Run is a mountain trail event near Shaver Lake supporting the Fresno County Sheriff’s Search & Rescue Team. Races and a family hike range from 5K to a trail half marathon, and a virtual option includes mailed finisher items.

Pinecrest Run marks its 50th annual event on Aug 9, 2026 at Pinecrest Lake, California. The program includes a five mile lakeside course and a one mile pavement race and serves as a fundraiser for Pinecrest Expedition Academy.

A trail race at Malibu Creek State Park in the Santa Monica Mountains offering 25k, 50k and 75k options, significant vertical gain, stocked aid stations, and prize money including a $3,500 50k purse and a $500 25k course bonus.

A 50K ultramarathon in Marin County on August 15, 2026, running iconic Coastal, Miwok, Matt Davis and Dipsea trails with about 6,600 feet of elevation gain. Part of the USATF PA Grand Prix and offering a $10,000 podium purse.

## Conquer the Wall is an annual uphill running event at Snow Summit near Big Bear Lake. The one mile course rises about 1000 feet from a 7000 foot start and supports Big Bear High School cross country.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.