Trail Running calendar near Carmichael 2026-2027

A women only 10K trail loop in Auburn with aid stations, age group awards, packet pickup the day before, and travel prizes to Spain awarded by placement and random draw.

Outlands is a two day endurance event in Pilot Hill, California on April 17 and 18 2027, featuring 25K, 50K and 50M trail runs plus a 50K mountain bike course over single track and double wide trails.

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 fundraiser on April 17, 2027 offering a Half Marathon, 10K and 5K with a hilly technical half and a cup free policy.

Auburn trail races from 25 km to 100 miles that share sections of the Western States Trail and qualify runners for UTMB World Series and Western States.

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.

A new backyard ultra near Pacerville, California runs a 4.167 mile loop each hour until one runner remains. The weekend combines a community campout, a kids race, on-site crew areas, and net proceeds to local nonprofits.

A 13.1 mile point to point half marathon through Napa Valley vineyards, mostly on private winery roads, finishing in Yountville's Wine Village.

May 15, 2027 trail races at Skyline Wilderness Park in Napa offer 10K, 21K, 30K and 50K courses with substantial elevation gain and staffed aid stations. This is a cupless event so runners must carry their own hydration.

A trail ultramarathon in Napa Valley centered at Skyline Wilderness Park, offering a solo 50 mile course and a one-loop 25 mile option. Cupless aid stations, on-course fueling, limited crew access, and drop bag support.

A race day in El Sobrante with a half marathon, 10K, 5K and a hiker division through the hills of Wilcat Canyon; registration windows and fees vary by distance.

Mud Factor's Seriously Fun 5K mud and obstacle run returns to Mahon Ranch in Elk Grove on May 16, 2027, with adult and KIDZ family waves and required waivers for participants.

A paved out-and-back along the Truckee River Trail in Olympic Valley with Half Marathon, 8 Miler, and 5K options, aid stations, finisher medals, event shirts, and beer for those 21 and older.

A point to point 100 mile trail race in Berkeley with 18,000 ft of climb, a 33 hour limit, and a capped field of 300; a Western States qualifier and UTMB Index race.

The Tahoe 100k will take place in Stateline on Saturday 19 June 2027. You can run 63 miles.

A 200.4 mile loop ultramarathon around Lake Tahoe on single-track trails with 32,093 feet of elevation gain and staffed aid and sleep stations.

The Run Fast or Pretend Like You Are 100 Mile Relay will take place in Auburn on Thursday 24 June 2027.

The Iron X will take place in Auburn on Saturday 10 July 2027. You can run 21 kilometers.