three latest newsletters:

Sept 19, 2022

Results and Photos

Sept 15, 2022

Pre-rides and final news

Sept 11, 2022

Routes and Experience Page

2022 Results

2022 Photos

It's more than a word. It's an Adventure...

Mammoth TUFF is an adventure through the hills of the Eastern Sierra. From the iconic town of Mammoth Lakes and rolling through the TUFF terrain of the Long Valley Caldera.



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Mammoth Tuff: in partnership with Visit Mammoth


*Photos Courtesy of @dakotasnider