GET YOUR 30th ANNIVERSARY MAMMOTH GRAN FONDO KITS
The ordering window for the 2025 Mammoth Gran Fondo kits is officially open! Swing by the Official Kit Ordering page via the button below to learn all about the kits offered and the ordering timeline.
VOLUNTEER WITH THE MAMMOTH GRAN FONDO
Amazing volunteers, like you, help to make the Mammoth Gran Fondo possible! Check out our online volunteer portal to see how you can help out. Plus all of our volunteers earn hours towards awesome rewards - like a free entry for the Mammoth Gran Fondo!
ROUTE OPTIONS
GRAN FONDO RIDE TIPS
Take the challenge this summer and ride two of California's most spectacular bike rides - The Tour de Big Bear & Mammoth Gran Fondo!
The California Pass Challenge is a package deal that includes your registration for the Tour de Big Bear in August and Mammoth Gran Fondo in September. Participants who conquer both rides will receive an exclusive California Pass Challenge cycling jersey and unique race plates.
GRAN FONDO GUIDE AWARDS
We are honored to be recognized by the Gran Fondo Guide as one of the top ten Gran Fondos in North America….for the second year in a row!
A huge “thank you” to our staff, volunteers, sponsors, partners, and all the riders that join us every year for this epic ride in the Eastern Sierra.
