ultramarathon

American  

[uhl-truh-mar-uh-thon, -thuhn] / ˌʌl trəˈmær əˌθɒn, -θən /

noun

1. any footrace of 50 or more miles.

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Etymology

Origin of ultramarathon

First recorded in 1975–80; ultra- + marathon

Example Sentences

An AC/DC fan has run an ultramarathon dressed as the band's Angus Young, running between the first and last concerts on their Australian tour to raise money for charity.

From BBC

The Prince of Wales has offered his "huge congratulations" to Kevin Sinfield as he closes in on finishing his latest ultramarathon challenge, raising money for motor neurone disease treatment and research.

From BBC

Mr. Murakami has completed dozens of marathons, at least one ultramarathon and runs most days.

From The Wall Street Journal

The impact force of every step on a decline is roughly six times a person’s body weight, said Scott Johnston, an ultramarathon coach who has published a book on uphill running.

From The Wall Street Journal

This was an ultramarathon—62 miles of a different, more primal type of running.

From The Wall Street Journal