Mammoth Bar Trail Runs

Sunset & Cider Trail Races takes place on September 27, 2025 in Auburn, California. The event is organized by Bad Luck Run Club and is set along the American River Canyon. The start and finish are at Ponderosa Cider Co, 102 Gum Lane, near Auburn Overlook Park. Bib pickup is scheduled the day be..

Set in Auburn, California, just off Highway 80 in Gold Country, the Auburn Half Marathon is a trail-running event offering three distances: a half marathon, 12K, and 5K. Runners depart from Overlook Park, head toward Robie Point, cross No Hands Bridge, climb toward Cool, and loop back to finish at O..

Yuba Gold Trail Runs takes place near Nevada City, California, in gold country. The event offers 50K, 35K, and Half Marathon distances along a historic route with views of the South Fork Yuba River and the Malakoff Diggins site. It’s an Independent P2P (DIY/self-guided) adventure rather than a tradi..

Mile Madness Endurance Run takes place at Sunset Whitney Recreation Area in Rocklin, California. The race uses a 1.05-mile loop (85% dirt, 15% paved) with about 62 feet of elevation per lap and a central Start/Finish hub. Runners choose from 6-, 12-, 24-, 48-, or 72-hour events, plus a 100-mile chal..

Euchre Bar Massacre is an ultramarathon near Foresthill, California, offering 25- and 50-mile fatass-style routes along the North Fork of the American River. The rugged course ladders about 10,000 feet of climbing for the 25-mile option and roughly 20,000 feet for the 50-mile, with substantial bushw..

Granite Head Trails & Ales is a trail running event on Saturday, October 11, 2025, in Granite Bay, California. Both race courses start and finish at Granite Beach. The event is presented by Altra and the local contact is Fleet Feet Sacramento. The event supports fundraising efforts; one listed..