Superhuman Stamina

Superhuman Stamina is the ability to exert oneself for longer periods of time than humanly possible.

Characters
Anole: He can exert himself for several hours before tiring.

Emma Frost: She is able to exert herself for almost limitless lengths of time without getting tired.

Hulk: Hulk's fatigue toxins build up in his muscles so that he doens't get tired as easily as regular humans do. When calm, he can exert himself for several days before getting tired. It is unknown how long he can go while enraged.

Juggernaut: His body generate abolutely no fatigue toxins during physical activity, granting him limitless stamina while exerting himself.