Mammoth Gran Fondo

Join riders from across the country on September 12, 2026 for the Mammoth Gran Fondo — an unforgettable cycling experience through the stunning landscapes of California’s Eastern Sierra.

Starting and finishing in Mammoth Lakes, the event features fully supported routes, incredible mountain scenery, challenging climbs, fast descents, and a welcoming cycling community that makes this event a rider favorite year after year.

Along the route, riders will enjoy premium aid stations stocked with food, hydration, and on-course support to keep you fueled from start to finish. Every participant also receives an official Mammoth Gran Fondo premium hoodie with registration.

Make a full weekend out of the experience with discounted lodging through our official hotel partners — perfect for arriving early to train, acclimate, explore Mammoth Lakes, and recover after race day.