Trail Running Calendar California 2025-2026

Join the Wild Rose Half Marathon and 5K in Roseville on May 16, 2026, starting at Moksa Barrel House. Enjoy scenic paved trails or a fun 5K run or walk, plus a finishers medal, choice of tech shirt or BOCO hat, and a Moksa drink ticket.

Bring 80s martial arts vibes to the LA River Path at the Cobra 5Kai, 10Kai and Half Miyagithon on May 16, 2026 in Canoga Park. Expect retro music, themed signage, costumed fun, a finisher medal and a same day virtual option.

Race the 10K Spartan Trail at Big Bear on May 17, 2026, across technical singletrack in high altitude pine forest with sweeping Southern Sierra views. The weekend includes Spartan obstacle races and a GOVX service member discount.

Start in Chukchansi Park and conquer an urban 3 mile route ending with a 220 stair climb to the Grand Tower finish. Teams and individual runners compete to benefit the Alisa Ann Ruch Burn Foundation and celebrate in a post race Beer Garden.

Nanny Goat is a Memorial Day weekend multi distance ultrarun at a Riverside horse ranch where you run timed laps on a flat 1 mile loop. Camping, family friendly amenities and medals for every runner who completes at least one lap.

Climb 8 miles and 4,600 feet up the historic Cerro Gordo Road to finish in the ghost town of Cerro Gordo, then celebrate with a mountaintop barbecue, live music, and a finisher medal. Shuttles return runners to parking in Keeler.

Three supported runs cover the final 70 miles of the Western States course May 23 to 25, 2026 around Foresthill and Auburn, CA. Aid stations and bus transfers provided; bring your own water and meet experienced trail runners.

Return to Hahamongna Watershed Park on May 24, 2026 for a day of team relays and solo challenges. Choose a 50 km relay with teams of up to five, a solo 50 km ultra, or a 10 km fun run amid scenic Pasadena trails.

Run Forever Brave at West Creek Park in Valencia on May 24, with 5k, 10k, 15k and a half marathon on scenic out and back loops. Aid stations every loop, finisher medals, free photos and post race snacks make for a fun, community day.

Hit the trails at Point Pinole for Nitro Trail 2026, offering 5K, 10K, half marathon and remote options on scenic coastal trails. A relaxed hiker start welcomes walkers tackling the half marathon.

Run scenic mountain trails in the Angeles National Forest near Palmdale with 50k and half marathon options. Expect technical singletrack, big elevation and full race services including finisher medals, aid stations and finish line tacos.

Cinderella Trail Run at Joaquin Miller Park, Oakland on May 30 offers distances from 8K to 50K plus a free kids dash. Run scenic redwood trails, earn a custom finisher medal, and enjoy stocked aid stations and shirts for pre registrants.

Join a community 5K run or walk along the scenic bay trail at Seal Point Park, capped off with a free Wellness Fair featuring local health and wellness vendors. Race registration includes a T shirt and supports mental and community wellness..

Tail Wagger brings dog friendly 5K and 1 mile fun to North Tahoe Park on May 30, 2026 and to Incline Village TBA. Expect scenic trails, an expo, separate human only starts, swag for pups and people and a local pet charity fundraiser.

Run the Monterey Trail Experience by Spartan Trail at Toro Park in Salinas, CA on May 31, 2026. Choose from marathon, 21K or 10K routes across rolling golden hills and smooth coastal trails for a scenic challenge.

Shadow of the Giants is a trail running event in Fish Camp, CA on June 6, 2026 offering 20k and 50k distances for runners seeking scenic mountain trails and a friendly challenge. Start and finish at Camp Green Meadows with aid stations, pre..

Discover the Malibu Canyon Trail Races on June 6, 2026 at Point Mugu State Park in Malibu, CA, where single track and fire road routes wind across coastal ridges and canyons. Distances range from a half marathon to 100K with athlete guides..

Tackle 50 miles of single track on the Pacific Crest Trail through Cleveland National Forest, featuring rocky terrain and 7,500 feet of climbing. The 44th PCT 50 on June 6, 2026 rewards grit with big views and full aid stations.

Run through ancient redwood forest, climb Grasshopper Peak and then descend to a finish in the old growth grove at Bull Creek Flats. Choose a 30K or 10.5 mile course for a scenic, rewarding day hosted by the Six Rivers Running Club.

Run Fullerton's inaugural 5K on dirt trails through Brea Dam and along the tennis center and golf course. Afterward enjoy a Health and Wellness Fair with local vendors, fitness demos and food trucks.