Run the Rim

"Run the Rim" is a trail running event held on June 1, 2025, at the Arnold Rim Trail in Stanislaus Forest, Calaveras County, California. The race offers multiple courses, including a 22-mile point-to-point trail, a half marathon, and a 10K run, all featuring scenic, well-maintained single-track trails at approximately 4,000 feet elevation. Participants can enjoy challenging terrain through the Sierra mountains, with start and finish points at White Pines Lake Park and Angel’s Camp.

The event is organized in partnership with local trail associations and community groups, and registration includes a race T-shirt, post-race meal, and drinks. Visit the organization's website for the most recent information.