ultramarathon

play
noun ul·tra·mar·a·thon \ˌəl-trə-ˈmer-ə-ˌthän, -ˈma-rə-\

Definition of ultramarathon

  1. :  a footrace longer than a marathon

ultramarathoner

play \ˌəl-trə-ˈmer-ə-ˌthä-nər, -ˈma-rə-\ noun

1977

First Known Use of ultramarathon

1977


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