Trail Running calendar near Middletown 2026-2027

A scenic half marathon and 10K circumnavigating Angel Island, with mandatory ferry access, a 400 participant limit, and panoramic views of San Francisco.

Trail races on the Lake Chabot trails in Castro Valley on December 31, 2026 offering half marathon, 10K and 5K; hikers and walkers welcome.

Lake Chabot hosts a half marathon, 10K and 5K on January 1 2027 with remote and hiker options and an opportunity to earn a New Year Mega Medal.

A New Year event at Granite Beach featuring a 2 mile run 5 mile bike 2 mile run duathlon and a 5K trail run with lake views. Awards include overall champions and age group prizes.

Two scenic trail races along Folsom Lake on January 9, 2027, offering a 12K and 5K on single-track trails, post-race local beer for athletes over 21, commemorative items, hot food and age-group awards.

A trail running event that crosses the Golden Gate Bridge into the Marin Headlands. Races include 15K, 25K, 50K and 50 mile options on January 23 to 24, 2027, organized by Spartan Trail.

Trail 10K and 5K at Granite Beach, Folsom Lake on January 23, 2027 with aid stations, finisher medals, pre-order shirts and age group awards.

Experience the coastal beauty of the Marin Headlands at the Golden Gate Trail Run. Choose from distances ranging from a 50K trail race to a fun kids dash with views of the Golden Gate Bridge and San Francisco.

Escape from Folsom on February 6, 2027 at Granite Beach offers a 10 mile and a 5K on scenic trails beside Folsom Lake. Aid stations supply water and fuel and every finisher receives a custom medal.

Jed Smith Ultra Classic on February 6, 2027 is a USATF certified loop event on the American River Parkway offering 50 mile, 50 k, marathon, 30 k and half marathon distances with two aid stations and race day packet pick up.

Experience the unique Coastal Mountain Habitat and Pacific Coast views at this trail event in Pacifica. With distances from a kids dash to a 50K there are options for many different types of trail runners.

Experience scenic lake views and wildflowers at Granite Beach during this trail event featuring a half marathon and 5K. Enjoy well stocked aid stations and earn a finisher medal on the trails of Folsom Lake.

Trail races at Lake Chabot Regional Park in Castro Valley with 50K, 30K, Half Marathon, 10K and 5K on February 20, 2027.

Experience a trail run across the forest and hills of Angel Island with views of San Francisco and the Golden Gate. Choose from multiple race distances including a youth dash and enjoy a picnic at Ayala Cove.

Trail runs at Granite Beach and Auburn Overlook Park offering 31K, 10K and 5K distances, finisher medals for all and a custom long sleeve hoodie for 31K finishers. Aid stations, post race food and a limited shuttle for 31K runners are provi..

March 7, 2027 in Middletown CA: trail Half Marathon, 10K and 5K on a steep, scenic course with spring views and camping available.

A trail ultramarathon in Marin County on March 13, 2027, with 50K and 50 Mile courses over coastal ridges, redwood single-track, and significant elevation.

A three day trail running weekend in Marin County offering a point to point 100K plus single loop 50K and 28K that summit Loma Alta and Big Rock Ridge.

Multiple trail distances run through Redwood Regional Park on March 20, 2027 at Chabot Space & Science Center. Routes use East Ridge, West Ridge, Stream and Bridle trails and distances were measured with a Rolatape surveyor's wheel.

A trail event at Granite Beach offering 5K and 10K courses plus a Mighty Mile for senior dogs, with divisions by dog size and Cani Cross, single aid station, finisher medals, and awards for multiple categories.