Trail Running Calendar California 2025-2026

Ryan's Ranch Run in Pismo Beach invites all ages to tackle a scenic mixed terrain course with rolling hills while supporting CCAF and 17 Strong. Stay for live music, local vendors, food, raffle prizes and family fun.

Run through ancient redwoods on a rugged 6 mile loop with log and stream crossings in Mendocino Woodlands Park. Choose 12 hour, 6 hour, half marathon or 10K formats and make a weekend of it with on site camping, yoga and meal passes.

Challenge yourself at the Emerald Bay Trail Run on September 12, 2026, a point to point 7 mile 11 km route from Eagle Point to Lester Beach around stunning Emerald Bay. Expect technical single track, moderate climbs and sweeping Lake Tahoe..

Take on the LA Sunset Trail Relay in Griffith Park, with a team 10 mile relay, solo 5K and Kid Run on scenic loops. Expect medals, race shirts, live music and finish line fun for friends and families.

Take on the Pincushion Hill Climb in Friant, CA, a chip timed one mile ascent to top of Pincushion Mountain, plus a Mountain Goat challenge to repeat climbs for extra glory. Expect tough terrain, custom finisher awards and shirts for all.

Run the Gold Rush Growler Trail Runs on September 19, 2026 at Granite Beach for scenic shoreline and single track trails with 5K and 10 mile options. Finishers receive a commemorative beer glass and ages 21 and up can enjoy a local IPA at t..

Tierra Redonda Mountain Trail Run at Smith Ranch in Bradley CA features multi day endurance events and shorter trail races on scenic ranch roads and single track. Family friendly with leashed dogs, music, bonfires and trophies.

Mammoth Trailfest is a three day trail running festival in Mammoth Lakes with races from a kids 1K to a challenging 50K plus a lively village celebration. Enjoy scenic mountain courses, finishers medals, live timing and gondola access.

Tackle scenic trails and city views at the Ascot Hills Challenge 5K in Los Angeles, with an in person chip timed race and virtual option for remote runners. Proceeds support local schools and park restoration, making every mile count.

Autumn trail festival at Lake Chabot Marina in Castro Valley offering 100k, 50 mile and marathon distances through classic East Bay parkland. Expect challenging terrain, a friendly community vibe, and generous finisher swag for all distance..

Signal Peak Trail Runs on Oct 3, 2026 near Nevada City offer 50K and 24 mile out and back courses featuring technical, rocky terrain. The 50K adds a summit loop up Signal Peak with sweeping views of Bear Valley and Lake Spaulding.

The Angeles Crest 100 is a classic 100 mile point to point mountain ultramarathon across the San Gabriel Mountains with over 21,000 feet of climbing. Held Oct 3, 2026 from Wrightwood to Altadena, entry is by lottery.

Run a challenging 100K through the wild trails of Cuyamaca Rancho State Park, featuring mountain ridges, desert views and stretches of the Pacific Crest Trail. This three loop course near San Diego is a Western States qualifier and a true t..

Sunset & Cider Trail Races in Auburn CA this October offer 50K, half marathon and 5 mile trail options along the American River canyon. Finish with a commemorative cider glass and locally crafted pours from Ponderosa Cider.

Euchre Bar Massacre is a fatass style adventure run along the Wild and Scenic North Fork of the American River. Choose 25 or 50 miles, expect remote support, big climbing and rugged riverside trails for a raw endurance challenge.

Join the 39th Ruth Anderson Memorial Endurance Run in San Francisco on October 10, 2026. Run scenic loops around Lake Merced on a certified course with 50k and 50 mile options and aid stations for a memorable autumn ultramarathon.

Join the inaugural Champion Mine Trail Race on October 11, 2026 in Nevada City, CA with 13.1 mile and 5K routes weaving through towering pines, a historic swinging bridge and creekside views. Enjoy a finishers medal and lively small town ra..

Run the historic Bizz Johnson Trail in Susanville on Oct 11, 2026 with 50K, marathon, express half and 10K options. Point to point courses with bused starts, river crossings and tunnels, plus a Boston qualifying marathon.

Run a Native organized fundraiser on the Cahuilla Reservation in Anza supporting youth and family programs. Choose from 100 mile, fixed time races and shorter distances on a runnable 2 mile dirt loop with handcrafted awards and buckles.

Join the Heart of Cool Trail Run in Cool, California on Oct 17, 2026 for 5k, 10k or trail half marathon options. Family friendly and charity focused, proceeds benefit local youth programs and a heart disease camp scholarship.