Get ready for a unique ultrarunning experience at the Nanny Goat 3/6/12/24/100, returning for its 17th annual running on May 23, 2026, in Riverside, CA. Hosted on a private horse ranch, this event offers a distinctive, family-friendly atmosphere that has made it a favorite among both seasoned ultrarunners and those tackling their first endurance challenge. Participants can choose from a range of distances including 3-hour, 6-hour, 12-hour, 24-hour solo, a 24-hour relay, or the formidable 100-mile race.

The Nanny Goat course is a flat, 1-mile loop, predominantly consisting of dirt and grass with excellent footing and a width that allows for easy passing. While largely flat, runners will encounter slight inclines throughout the loop. A unique aspect of the course involves running directly through a barn, adding to the charm of this ranch setting. Runners consistently praise the accessibility of support, with aid stations never more than a half-mile away, and the convenience of setting up personal crew areas directly along the course. Typical race day conditions in late May bring comfortable highs around 81F and lows around 56F, with a minimal chance of precipitation.

Beyond the run itself, Nanny Goat offers a full weekend experience. Free camping is available on the ranch from Thursday through Monday, accommodating tents, trailers, and RVs, making it an ideal destination for families. Expect a lively, supportive atmosphere where every lap counts. Finishers in the 100-mile race earn coveted buckles, with a special buckle for those achieving a sub-24-hour finish. Participants in the timed events receive a cool T-shirt and a medal, with all runners completing at least one lap qualifying for a medal. The Nanny Goat provides a perfect blend of challenge, community, and comfort, ensuring an unforgettable ultrarunning adventure.