2021: 4x4x48 Challenge Review

This past weekend I completed the 4x4x48 challenge. This challenge was created by David Goggins and originally consisted of running 4 miles every 4 hours for 48 straight hours. He has revised the challenge to include more people by allowing the participant to do some fitness related exercise every four hours for the forty eightContinue reading “2021: 4x4x48 Challenge Review”