"A must read for anyone looking to take his Performance to the next level, be it in athletics or in life." Dean Karnazes, author of Ultra Marathon Man If there s anyone out there who has taken extreme to a new level, its Joe De Sena in adventure racing, in business, and ultimately in the business of adventure Spartan Up is must-read.
Robyn Benincasa, world champion adventure racer and New York Times best-selling author of How Winning Works. "A must read for anyone looking to take his Performance to the next level, be it in athletics or in life." Dean Karnazes, author of Ultra Marathon Man If there s anyone out there who has taken extreme to a new level, its Joe De Sena in adventure racing, in business, and ultimately in the business of adventure Spartan Up is must-read
