The user's body is highly resistant to the build-up of lactic acid in their muscles, allowing them to be physically active for considerably longer periods than the average member of the user's species.
Peak Human Stamina: The user can sustain themselves without tiring, to the limit of a peak human.
Enhanced Stamina: The user can sustain themselves without tiring longer than peak humans but not to a high superhuman level.
Supernatural Stamina: The user can sustain themselves without tiring to a high superhuman level up to a nigh-absolute level.
Stamina Scroll (The Legend of Zelda: A Link Between Worlds)
The Cart Titan (Attack on Titan) has the most stamina of all Titan powers, as Pieck Finger was able to stay transformed for months nonstop while most others can only manage a few hours maximum; she can also can perform hundreds of consecutive transformations when most others get exhausted after three.
Though his magical power is more along with the Bishop class, Kouga (Marchen Awakens Romance) rose to Knight class because of his unusual durability and stamina.
Toshinori Yagi/All Might (My Hero Academia)
Naruto Uzumaki (Naruto) has tremendous amounts of chakra due to being a member of the Uzumaki clan,...
...and with Kurama the Nine-Tails being sealed inside him, this only magnifies much more.
Tsunade (Naruto), a descendant of both the Senju and Uzumaki clans, has a very large reserve of chakra.
Madara Uchiha (Naruto) was born with a very powerful chakra, which further increased to beyond belief amounts with Hashirama's cells implanted into him.
In addition to being ruthless and persistent, Jack (One Piece) possesses incredible stamina, being able to fight powerful fighters on Zou for five days without taking a break.
Galactus (Marvel Comics)
James "Logan" Howlett/Wolverine's (Marvel Comics) healing factor grants him superhuman stamina and partial immunity to fatigue toxins and thus has greater endurance than Humans.
James Bucky Barnes/Winter Soldier (Marvel Comics)
Benjamin Grimm/The Thing (Marvel Comics)
Steve Rogers/Captain America (Marvel Comics)
Peter Parker/Spider-Man (Marvel Comics)
Cain Marko/Juggernaut (Marvel Comics)
Victor Creed/Sabretooth (Marvel Comics)
Spider-Woman (Marvel Comics)
Curt Conners/Lizard (Marvel Comics)
Emma Frost (Marvel Comics)
Predators (Predators series)
Fourarms (Ben 10)
Humungousaur (Ben 10)
Swampfire (Ben 10)
Cannonbolt (Ben 10)
Diamondhead (Ben 10)
Chromastone (Ben 10)
Ultimate Humungousaur (Ben 10)
Big Chill (Ben 10)
Heatblast (Ben 10)
XLR8 (Ben 10)
Kevin Levin (Ben 10)
Aggregor (Ben 10)
Vilgax (Ben 10)
Rath (Ben 10)
John Jonah Jameson III/Colonel Jupiter (Marvel Comics)
Violator/Clown (Image Comics)
Dinosaurus (Image Comics)
John Eisenhart/Hulk 2099 (Marvel Comics)
Kron Stone/Scorpion 2099 (Marvel Comics)
Omni-Man (Image Comics)
Oliver Queen/Green Arrow (DC Comics)
Starfire (DC Comics)
Terry McGinnis/Batman (Batman Beyond)
Derek Powers/Blight (Batman Beyond)
Sunspot (Marvel Comics)
SOLDIERs (Final Fantasy 7) thanks to their enhanced physiology can endure prolonged battles without tiring.
Inklings (Splatoon) have enough stamina to run, in human form...
...or swim, in squid form, at top speed seemingly indefinitely.
Agent 3 (Splatoon)
The Squid Sisters (Splatoon), Callie (left) and Marie (right) have the stamina to sing and dance for 24 hours straight during Splatfests.
Once he starts dancing, Cap'n Cuttlefish (Splatoon) can keep at it seemingly indefinitely.
Octolings (Splatoon) have enough stamina to run, in human form...
...or swim, in octopus form, at top speed seemingly indefinitely.
Once he starts dancing, DJ Octavio (Splatoon) can keep at it seemingly indefinitely.
Judd (Splatoon) has the stamina to dance for 24 hours straight during Splatfests.
Due to their large lungs, Judoon (Doctor Who) possesses great stamina.