Trail Running calendar near El Dorado Hills 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.

A trail run through the forested trails of Pacific Union College offering 26k, 10k, and a 1 Mile Kids Run for ages 7 to 12. The event is cupless, parking is free first come first served, and proceeds support PUC Athletics.

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.

A spring trail race in Cool presented by Altra, Dirty Secret offers two single-track courses through meadows, hills and a creek crossing. The event is limited to 600 runners and includes a tech shirt and finisher medal.

Trail races from 5K to 50K around Jenkinson Lake on May 9, 2026, with a 100 runner daily cap. Parking and registration are at the Scales Parking Lot; most distances finish at the Waterfall Trailhead and a $5 day use fee applies.

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.

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..

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..

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.

Experience the final 70 miles of the Western States trail during this three day training event featuring supported runs of 19, 20, and 32 miles through iconic canyon terrain and mountain climbs.

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.

A dog friendly 5K and 1 mile event at North Tahoe Regional Park with an expo, non competitive activities, and a fundraiser supporting local animal rescue and veterinary care.

Experience the natural beauty of the Sierra mountains on the Arnold Rim Trail with distances ranging from a 10K to a 22-mile point-to-point run. Join a community event at White Pines Lake that supports local trail maintenance and conservati..

Experience a scenic 10km loop through the Auburn State Recreation Area featuring rolling hills and oak forests. This trail run offers a mix of creek crossings and canyon climbs overlooking the American River.

The Cool Summer Night Run will take place in Cool on Saturday 6 June 2026. You can run 10 kilometers.

Trail races on the north shore of Lake Natoma in Fair Oaks with 5K and 10K courses through oak bluffs, wetlands, and historic dredge terrain. Proceeds benefit the Rachel Anne Gray Memorial Scholarship.

Trail runs on Lake Natoma’s north shore in Fair Oaks CA with 5K and 10K courses plus a kids run for under 10s. Hosted by the Fair Oaks Recreation and Park District with proceeds supporting a local scholarship.

A 200-mile trail race around Lake Tahoe following much of the Tahoe Rim Trail, with aspen meadows, rock gardens, small alpine lakes and extended ridgeline views. Event dates are June 12–16, 2026.