ultramarathon
Americannoun
Etymology
Origin of ultramarathon
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.
And after competing in the Sydney Marathon this August, he’ll run a 100-mile ultramarathon in Arizona in October.
From Los Angeles Times • Mar. 6, 2026
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 • Feb. 21, 2026
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 • Dec. 21, 2025
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 • Nov. 1, 2025
It had been an incredible, symbolic day for our family and I hoped for the country, but it was also a kind of ultramarathon.
From "Becoming" by Michelle Obama
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
