[ uhl-truh-mar-uh-thon, -thuhn ]
/ ˌʌl trəˈmær əˌθɒn, -θən /
any footrace of 50 or more miles.
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Words nearby ultramarathon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for ultramarathon
If snow is more your thing, the 6633 Extreme Winter Ultramarathon runs 350 miles across the Arctic Circle.Now That Everest Is Closed, Check Out These Other Extreme Adventures|Nina Strochlic|May 8, 2014|DAILY BEAST