Trail Running calendar near Folsom 2026-2027

A community Independence Day event at Sycamore Grove Park featuring a flat 5K on mixed paved and dirt trails and a 400 meter kids run for ages 10 and under. T shirts are included with race fees.

A 5K or 10K trail event on July 4 that starts at North Tahoe Regional Park and finishes on Tahoe Vista Recreation Area Beach. Courses pass through pine forest and single track trails with post-race beach activities.

Join a monthly community event in Richmond featuring a conversational hike or a self paced trail run. This inclusive series held on first Saturdays brings people together for outdoor movement and connection.

A half marathon in Auburn, CA that mixes running with extreme ironing. Participants carry their own boards and irons, perform recorded ironing stops at specified local sites, and must be entirely self-supported.

A trail event in Downieville, California with 25K, 50K, and 100K options on mostly singletrack. Courses include multiple aid stations, substantial elevation gain, and specific equipment and pacer rules for the 100K.

Timed trail races at Point Pinole on July 25, 2026 offer 12 hour, 6 hour and 3 hour formats on a 3.37 mile loop with shoreline views and eucalyptus groves. Solo runners and two or three person teams are accepted, and entry includes an all d..

Mountain Tiger Donner Summit is a 12.5 mile point to point mountain trail race on Donner Summit near Soda Springs, California. It features four summits, about 3,300 feet of climbing, and includes a shuttle, raffle entry, and a finisher item..

A trail run in Auburn, CA on July 26, 2026, offering 10.5- and 5.9-mile courses through the American River Canyon with single-track trails, canal sections, notable climbs, race swag, post-race food and a beer for 21+ finishers.

A multi-loop trail marathon near Soda Springs, CA covering about 26.4 miles and 4,300 ft of gain across Royal Gorge land, with a central aid station, solo and relay options, parking at Soda Springs Ski Resort, and shuttle service to the aid..

A time-based trail event at Napa’s Skyline Wilderness Park with 12, 6, and 3 hour options plus relays, main loops of about 4.1 miles with 815 feet elevation per loop, and a short finishing loop for the final 40 minutes.

A high Sierra trail event at Horse Canyon Trail Junction offering 5.6M, 10.5M, 21M and 50K options across alpine loops. The course sits near 7,400 feet with two aid stations, limited field size, and variable mountain weather.

A trail event in Lafayette, CA on August 8, 2026 offering a half marathon, 10K, 5K and remote entry, with chip timing, finisher medals, event shirts, hiker-friendly options and a final shaded single track descent.

The 50th annual Pinecrest Run on August 9, 2026 in Pinecrest, CA features a five mile route around Pinecrest Lake and a one mile paved race. The event raises funds for Pinecrest Expedition Academy and does not allow pets.

Trail races based at Spooner Lake in Lake Tahoe Nevada State Park. The Marlette 50K covers about 30 miles of Sierra single track with Marlette Lake at mid course while the 10 Miler is a round trip to Marlette Lake.

Experience the beauty of Jenkinson Lake at Sly Park Recreation Area with trail distances ranging from a 5K to a 50K ultra marathon through scenic pine forests and rolling single track.

Desolate Peaks is an unmarked peak bagging event in Desolation Wilderness near South Lake Tahoe. Runners navigate mostly off trail across talus fields and granite ledges on 11, 17, or 21 peak circuits with marginal support and a time limit.

A trail event at Granite Beach on August 23, 2026 offering 5K and 10K courses for runners and their dogs, with finisher medals and dog bandanas; aid stations provide drinks and gels and dogs have their own water.

NorCal Spartan Event Weekend at Mahon Ranch in Elk Grove features Sprint, Super and Kids obstacle races on rolling trails and river crossings, with spectator options and team registration available.

A community run in Tahoe Vista with a 5K and a 1 mile fun run across grass fields, paved bike paths and park trails. Parking and a participant hat are included, and proceeds support a park nonprofit.

Trail races at Mammoth Bar OHV Area in Auburn State Recreation Area on September 6, 2026. Options include a 13.1 mile half marathon and a 6.2 mile 10K, each with notable elevation gain and staffed aid stations.