Dictionary

ultramarathon

noun ul·tra·mar·a·thon \-ˈma-rə-ˌthän\

Definition of ULTRAMARATHON

:  a footrace longer than a marathon
ul·tra·mar·a·thon·er \-ˌthä-nər\ noun
ADVERTISEMENT

First Known Use of ULTRAMARATHON

1977

Browse

Next Word in the Dictionary: ultramarine (noun)Previous Word in the Dictionary: ultramaficAll Words Near: ultramarathon
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears