Tag Archives: goggins

For those that don’t know, David Goggins is an ex-US Navy Seal who takes mental toughness to the next level. This challenge was born from Goggins wanting others to truly experience the importance of self-discipline. The challenge is simple. Every 4 hours, on the hour, you run for 4 miles. You do this for aContinue reading “Goggins 4x4x48 Challenge”