ultramarathon

American

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

noun

any footrace of 50 or more miles.

Etymology

Origin of ultramarathon

First recorded in 1975–80; ultra- + marathon

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In his new memoir, “Everything You Want Is on the Other Side of Hard,” runner Ken Rideout relives a physically grueling 2023 ultramarathon in the Gobi Desert.

From The Wall Street Journal

I was two days into the Gobi March, a brutal 155-mile ultramarathon through the steppes, sand dunes and rock valleys of Central Mongolia.

From The Wall Street Journal

I thought I could just show up, fake my way through my first ultramarathon and destroy everyone.

From The Wall Street Journal

Earlier research found that ultramarathon runners often experience a breakdown of healthy red blood cells during races, which can potentially lead to anemia.

From Science Daily

Experienced marathon runner Callum, from Cumnock was scaling Goat Fell last Saturday as part of his training for the upcoming Trans Gran Canaria ultramarathon.

From BBC

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023