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Trail Running Calendar near Livermore 2026-2027

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Explore the top trail runs near Livermore for 2026-2027! We've gathered 38 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

August 2026
Aug
8
Sa

Bear Creek Run

Trail Run Walk 3 mi 6 mi 13 mi
Bear Creek on August 8, 2026 offers 5K, 10K and a 13.32-mile half marathon in the Briones Regional Park area, with a virtual Remote Runner option. Entry windows and fees are listed for each race.
Aug
15
Sa

Redwood (Summer) Trail Run

Trail Run 2 mi 5 mi ... 26 mi 50 km
Experience the trails of Redwood Regional Park in Oakland. Runners can choose from distances ranging from a 50 yard kids dash to a 50K ultramarathon through scenic ridge lines and redwood groves.
Aug
15
Sa

Almaden Hills Trail Run - Summer

Trail Run 5 km 10 km ... Marathon 50 km
Trail races on hilly mixed dirt and single track at Almaden Quicksilver Park with distances from 5K to 50K, aid stations, drop bag service for longer races, and mandatory course markings and cutoffs.
September 2026
Sep
6
Su

Diablo Trail Run

Trail Run 2 mi 4 mi ... 26 mi 30 mi
Experience the natural scenery of Mount Diablo State Park through a variety of trail races. Runners can select distances ranging from 4 miles to a 50K with spectacular views of the San Francisco Bay Area.
Sep
12
Sa

Stevens Creek Striders Reservoir Run

Trail Run Walk 3 mi 11 km 13 mi
A trail race at Stevens Creek County Park in Cupertino offering a Half Marathon, 11K, and a charity 2.5-mile Lollipop Loop with aid stations and post-race barbecue.
Sep
12
Sa

Beer City Half Bishop Ranch

Road Race Trail Run Walk 5 km 10 km 13 mi
Run through Bishop Ranch and San Ramon in this diverse racing event. Choose between a half marathon, 10k, 5k, or beer mile before enjoying unlimited tastings with your finisher medal.
Sep
12
Sa

South Hills Single Track Trail Run - Summer

Trail Run 5 km 10 km ... Marathon 50 km
A trail running event at Calero County Park offering distances from a kids run to a 50K across single-track and dirt roads, with named aid stations, drop bag support, bib color assignments, and time limits for longer races.
Sep
19
Sa

Rocky Ridge

Trail Run Walk 3 mi 6 mi 14 mi
Trail-based half marathon plus 5K and 10K with hills and scenic views in San Ramon on September 19, 2026; virtual entries available.
Sep
26
Sa

Dick Collins Firetrails

Trail Run Marathon 50 mi 100 km
Trail event in Castro Valley featuring a 100k, 50 mile, and marathon with UTMB index status and firm time limits due to park permits.
October 2026
Oct
10
Sa

Mountain Tiger Diablo

Trail Run 12 mi
A 12.4 mile loop from Mitchell Canyon to the Mount Diablo summit and back with about 4,000 feet of climbing and a five hour cutoff.
Oct
10
Sa

Reservoir Dogs Trail Run - Orinda, CA

Trail Run 5 km 10 km Half Marathon 35 km
Trail races of 5K, 10K, half marathon and 35K around San Pablo Reservoir on EBMUD trails, with chip timing, stocked aid stations, a cupless policy, and a 300-runner capacity.
Oct
17
Sa

Diablo Summit Stomp

Trail Run Walk 5 km 10 km Half Marathon 30 km
Trail races on Mount Diablo near Walnut Creek on October 17, 2026 offering 30K, Half Marathon, 10K and 5K with possible mud and creek crossings.
Oct
17
Sa

Quicksilver Trail Challenge

Trail Run 10 km 13 mi
Trail races at Almaden Quicksilver County Park include a half marathon, 10K and a kids one mile fun run with course aid stations and volunteer support.
Oct
24
Sa

Oakland Hills Trail Run

Trail Run 10 km 13 mi 35 km
Oakland Hills Trail Run features 10K, half marathon and 35K courses through Redwood Regional Park with technical trails, marked routes, aid stations and chip timing. The event is cupless and limited to 330 runners.
Oct
31
Sa

Zombierunner Halloween

Trail Run 2 mi 5 km ... 13 mi 26 mi
Celebrate Halloween with a trail race through San Jose Hellyer County Park. Choose from distances including 5K 10K Half Marathon and Marathon with costume prizes and certified courses.
Oct
31
Sa

Almaden Hills Trail Run - Fall

Trail Run 5 km 10 km ... Marathon 50 km
Trail races in Almaden Quicksilver Park from 5K to 50K over hilly dirt roads and single-track, with two staffed aid stations, drop-bag service for longer distances, and a finisher medal for all participants.
November 2026
Nov
1
Su

Oakland Tech 5km Fundraiser Race

Trail Run Walk 5 km
Support student programs and the Oakland Tech Cross Country team at Joaquin Miller Park. Choose between a five kilometer trail race or a one mile fun run through the redwood trees.
Nov
7
Sa

Lake Chabot Trail Run

Trail Run 2 mi 3 mi ... 26 mi 50 km
Experience a scenic trail run around the Lake Chabot reservoir and hills. With distances from a 50 yard kids dash to a 50K ultramarathon there is an option for everyone at this Castro Valley event.
Nov
14
Sa

Zombierunner Quarry Lakes

Trail Run 2 mi 5 km 10 km 13 mi
Experience a flat and fast trail race through the scenic Quarry Lakes Regional Recreation Area in Fremont. Choose from a USATF certified half marathon, 10K, or 5K while enjoying views along the Alameda Creek Trail.
Nov
26
Th

Zoom Turkey Trot

Trail Run 2 mi 5 km 10 km 13 mi
Celebrate Thanksgiving at Hellyer County Park with a trail race along Coyote Creek. Choose from a USATF certified half marathon, 10K, or 5K while competing for a chance to win a turkey.
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