4x48

+The **4x48** is an endurance challenge where participants typically run 4 miles every 4 hours for 48 consecutive hours. This rigorous test of [Stamina](/wiki/stamina) demands significant physical and mental fortitude, often involving periods of [Sleep Deprivation](/wiki/sleep_deprivation). It serves as a personal journey, pushing the limits of resolve over two full days.

+## See also

+- [Endurance](/wiki/endurance)

+- [Running](/wiki/running)

+- [Challenge](/wiki/challenge)