Trail Running calendar near Ripon 2026-2027

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.

Trail races from Browns Ravine Marina follow out-and-back lakeside trails with 10K, half marathon, 35K and 50K options; aid stations appear every 4 to 6 miles and all finishers receive a custom medal.

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.

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.

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.

Multiple trail distances run through pine forest and established horse trails around Jenkinson Lake at Sly Park Recreation Area in Pollock Pines. Course maps are provided and bib pick up plus race day registration are available.

Experience the lush redwood landscapes of Saratoga at Trailquake 2026. Choose between 5K, 10K, or half marathon distances on forested trails with options to run, walk, or join remotely.

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.

Wild Rose Half Marathon & 5K The Wild Rose Half Marathon & 5K takes place in Roseville, California. The event starts and finishes at the Moksa Barrel House on Foothills Boulevard. The event offers three distances: Half Marathon: Th..

A 13 mile point to point trail race in San Jose across Almaden Quicksilver Park and Sierra Azul Open Space Preserve, with bus transport to the start and a 5.5 hour time limit. Race day registration and bib pick up are available.

Mud Factor Sacramento is a 5K mud and obstacle run at the 300 acre Mahon Ranch in Elk Grove on May 17, 2026. The event includes adult and KIDZ family waves, a festival area with paid spectator access, and required signed waivers.

A trail race at China Camp State Park in San Rafael offering 5K, 10K, and half marathon courses with scenic single track, limited to 275 entrants and staffed aid stations. Registration deadlines determine shirt guarantee and refund credit r..

A trail event on the El Dorado Trail in Placerville on May 23, 2026, offering distances from a kids run to a half marathon, paved and unpaved sections, aid stations, color-coded course markings, and medals for finishers.

Experience an obstacle course race through the rolling hills and wooded trails of Toro Park. Choose from 5K and 10K distances or bring the family for kids races at this scenic Northern California venue near Monterey Bay.