Trail Running calendar near Tracy 2026-2027

Join the community at Feeney Park for the Mr Frogs Wild Run in Murphys California. Choose between a children's fun run plus five or ten kilometer courses featuring scenic neighborhood loops and a festive medal ceremony.

A community trail run in the Presidio of San Francisco on April 19, 2026 offering a 1.5 mile family run, 5K and 10K courses with bay views. Proceeds support YMCA youth, workforce and food pantry programs and awards are given by category.

Trail race at Mt Tamalpais State Park near Mill Valley offering half marathon and 10K courses along Ridgecrest Blvd and the Coastal Trail, limited to 300 participants and featuring aid stations, course markings, and a no headphones policy.

Trail races inside Marshall Gold Discovery State Historic Park range from a Kids Run to a half marathon on varied singletrack and paved sections, with marked courses, aid stations, and notable elevation gains.

Experience a rugged trail race through the Sierra Nevada foothills featuring technical single tracks and fire roads. Choose between three distances and take on the steep ascent of El Guapo before celebrating at the finish line fiesta.

Experience an iconic trail ultramarathon through the redwoods and coastal cliffs of the Marin Headlands. This challenging 62 mile course features 11,000 feet of gain and serves as a major race qualifier.

A multi-distance trail event at Browns Ravine Marina on May 2, 2026 featuring 10K, half, 35K and 50K courses on marked single and double track around Folsom Lake. Aid stations are stocked and the event is cupless.

Trail races at Jack London State Historic Park on May 2 2026 include a half marathon and a five mile through vineyards and Sonoma Mountain hills. Aid stations are provided and headphones are not allowed for safety.

Held May 3, 2025 at Almaden Quicksilver County Park, this trail event offers distances from a kids run to 50K on dirt roads and single track, with marked courses, multiple aid stations, drop bag service at the Hacienda and free parking.

A trail race from Stinson Beach into Muir Woods offering marathon, half marathon and 7 mile options, with technical climbs, ladder and stair sections, marked aid stations, and a field limited to 300 participants.

Experience the scenery of Tilden Regional Park at the Grizzly Peak Trail Run. Choose from various distances including a 50K and marathon starting from the shores of Lake Anza in Berkeley.

Test your endurance at Almaden Quicksilver County Park with 50 km or 100 km trail races. These USATF sanctioned events offer significant elevation gain and the 100 km distance serves as a Western States 100 qualifier.

A timed half marathon on 9 May 2026 from Quintessa Winery to Yountville in Napa Valley. The finish line Wine Village features live music, Domaine Chandon welcome bubbles and complimentary tastings from multiple wineries.

Celebrate the 24th year of this community event in Los Altos Hills. Run or walk through the Westwind Community Barn and Byrne Preserve on hilly 5K, 10K, or 1 mile courses.

Trailquake is a trail race in Saratoga, California on May 10, 2026 offering 5K, 10K and a half marathon through redwoods and pines. Hikers and walkers are welcome and the half marathon is part of the Brazen Ultra Half Series.

Celebrate Mother's Day on May 10th with a family-friendly run or walk. The event, held at Pinto Lake County Park, features a 1K kids run, 5K, and 10K. Your participation benefits Pajaro Valley Shelter Services.

Trail races at Skyline Wilderness Park near Napa offering 50K, 30K, 21K and 10K on routes with Rim Rock climbs and wide valley views. Aid stations are touchless and the event is cupless so runners must bring their own cup or bottle.

A charity trail event at Skyline Ridge Open Space Preserve offering 50K, 30K and 10K options, with elevation profiles and route maps provided; all registration proceeds support UCSF cancer research.

The inaugural Rim Rock 50 Mile Trail Challenge explores Napa's wild trails. Runners will tackle a two-loop course through Skyline Park and the new Suscol Headwaters. This cupless event offers a 50-mile solo or relay option with a 13-hour cu..

Experience 360 degree views of the Bay Area at Wildcat 2026 in El Sobrante. This scenic event features a Half Marathon, 10K, and 5K as well as a remote participation option.