stayer
Definitions
A person or animal with great endurance or stamina.
A person who remains in a place, position, or situation for a long time.
A horse that performs well over long distances.
Examples
Although he started the race slowly, his reputation as a long-distance stayer helped him overtake the leaders in the final lap.
In the world of professional cycling, she is known as a reliable stayer who excels in grueling multi-day tours.
Synonyms
endurer survivor persistent person long-distance runner tenacious individual stouthearted person
Antonyms
quitter short-distance runner fainthearted person someone who gives up easily