Trail Running calendar near Angwin 2026-2027

Run or walk along the San Francisco Bay starting from the San Leandro Marina. Choose from half marathon, 10K, or 5K distances with professional timing and custom finisher medals for all participants.

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 a trail running event in Auburn featuring four major climbs and 6000 feet of elevation. Choose from distances ranging from 13km to 50km on a course with less than one mile of pavement.

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.

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..

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.

An hourly backyard ultra on Dry Creek Parkway near Sacramento where runners repeat a 4.16 mile loop until only one completes the most yards. Each loop must be finished within the hour and the last runner to complete a loop wins.

Western Pacific 2027 takes place March 27, 2027 at Quarry Lakes Regional Recreation Area in Fremont, California, offering a half marathon, 10K and 5K on a mostly flat course that follows the historic Western Pacific Trail.

Trail running event in Walnut Creek on April 3, 2027, offering 50K, half marathon, 10K and 5K. A portion of entry fees supports Save Mount Diablo; remote runner and BBQ options are available.

A women's only 10K in Auburn on April 17, 2027 that follows scenic trail loops with aid stations and age-group awards; the overall winner and four additional finishers will be selected to receive all-expenses-paid trips to a women's running..

Badger Cove is a running event in Livermore, CA on April 17, 2027 offering a half marathon, 10K, 5K and a hiker division. Registration opens January 1 and closes February 2 with fees varying by event.

Trail races of half marathon, 10K and 5K take place at Spring Lake and Annadel State Park on April 17, 2027, featuring technical, hilly terrain, three aid stations, chip timing, and a cup free policy requiring reusable bottles.

Multi-distance trail event in Auburn, California crossing sections of the Western States Trail and serving as a UTMB World Series and Western States qualifier. Distances range from 25K up to 100M, with the 100K offering Western States Golde..

A trail event at Lake Chabot Regional Park offering distances from a 50‑yard kids dash to a 50K ultramarathon. The looped course circles the Lake Chabot reservoir and surrounding hills with measured distances.

No Foolin' Foot Race in San Carlos on April 24, 2027 offers 15K, 10K, 5K and a 1K kids trail course across Big Canyon, Eaton and Pulgas Ridge, with proceeds supporting local open space trail maintenance.

Trail running in the Stinson Beach and Muir Woods area with marathon, half marathon and 7 mile options. The event is organized by Enviro Sports and is tentatively scheduled for May 2027.

A timed half marathon through eight Napa Valley wine estates finishing in Yountville. The event includes a finish line Wine Village with live music and complimentary wine tastings.