A Mountaineer, ice climber, Spartan Death Racer and Ultra-Marathoner, Olof Dallner is the true definition of an extreme athlete! When he is not racing, Olof is a Postdoctoral researcher at Rockefeller University, 

Olof has confirmed he will be racing the 2013 Fuego y Agua Survival Run. 

Olof won the Spartan Death Race Winter and Summer Races in 2012. Junyong Pak was in close second at the Summer Death Race. Now they take their skills to the jungles of Nicaragua for the ultimate match!