Mammoth Marathons is a group consisting of two Race Directors and multiple volunteers. Mammoth Marathons goals are to provide races that the whole family can participate in, and host running events that are unique and in new and undiscovered running venues.

Our Little Grand Canyon Marathon is featured in a new book titled The Runner’s Bucket List: ¬†200 Races to Run Before You Die. ¬†Click this link for more details.