Trail Running calendar near Roseville 2026-2027

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.

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.

Inaugural Harvest & Howitzer Backyard Ultra is a last runner standing event on a 4.167 mile loop at a private 100 acre farm in the Sierra foothills, Apr 30 to May 2, 2027.

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

Trail races at Skyline Wilderness Park near Napa on May 15, 2027 offering 10K, 21K, 30K and 50K courses with new trails, aid stations, and a cupless policy.

A multi loop trail ultra in Napa’s Skyline Wilderness Park covering about 50 miles through oak forests, exposed ridgelines and the Suscol Headwaters trail system.

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 100K mountain ultramarathon in Stateline NV covering about 62.9 miles, high alpine terrain to 9,800 feet, and a 24 hour cutoff.

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.

Robie Point hosts a one-mile relay with Solo, Duo, and four-person teams plus a multiweek 100 mile challenge, awards, tracking, and trail-side vendors.

An extreme ironing half marathon in Auburn CA where participants carry boards and iron a shirt at eight designated locations while completing the course.