Dictionary.com

ultramarathon

[ uhl-truh-mar-uh-thon, -thuhn ]
/ ˌʌl trəˈmær əˌθɒn, -θən /
Save This Word!

noun
any footrace of 50 or more miles.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of ultramarathon

First recorded in 1975–80; ultra- + marathon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use ultramarathon in a sentence

FEEDBACK