ultramarathon
ul·tra·mar·a·thon
noun \-ˈma-rə-ˌthän\Definition of ULTRAMARATHON
: a footrace longer than a marathon
— ul·tra·mar·a·thon·er \-ˌthä-nər\ noun
First Known Use of ULTRAMARATHON
1977
Rhymes with ULTRAMARATHON
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