Fourmidable

Gold Rush Growler Trail Runs at Granite Beach, Folsom Lake SRA, offer a 10-mile trail run and a 5K along the shoreline and trails. For 2025, the courses are new: the 5K starts at Granite Beach, to Oak Point and Old County, then returns on new and old trails; the 10-mile route starts at South Granite..

Rebels XC Challenge is a cross-country running meet held in Carmichael, California, at 6700 Tarshes Drive. The event is scheduled for September 20, 2025, and offers three divisions: Women’s Race, Masters Men, and Open Men. Distances are not listed on the page, and course specifics aren’t described,..

The Sunset & Cider Trail Races take place on September 27, 2025, in Auburn, California. The start and finish are at Ponderosa Cider Co, 102 Gum Lane, near Auburn Overlook Park. The event is presented by BAD LUCK RUN CLUB and is set on trails along the American River Canyon. 50K - two out-and-..

The Auburn Half Marathon takes place on October 4, 2025, in Auburn, California. The event is organized by Brazen Racing and includes trail race options: Half Marathon 12K 5K A remote runner option is offered. Races are held on trails in the Auburn State Recreation Area and are associated with the..

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..