Definition of ultramarathon
: a footrace longer than a marathon
ultramarathonerplay \ˌəl-trə-ˈmer-ə-ˌthä-nər, -ˈma-rə-\ noun
Recent Examples of ultramarathon from the Web
After months of training and anticipation, Wired.com guest-blogger Simon Wheatcroft, who is designated as being legally blind, came up just short in his bid to finish the Cotswold 100 ultramarathon this past weekend.
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First Known Use of ultramarathon
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