triathlon
noun
an athletic contest comprising three consecutive events, usually swimming, bicycling, and distance running.
triathlons
-
pluralof triathlon.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
Several times while training for Ironman triathlons, I’ve crashed my bike and jumped right back up—there was so much adrenaline flowing that I didn’t feel pain in the moment.
From The Wall Street Journal ● Mar. 1, 2026
This is Hyrox, the fitness competition that is rivaling triathlons and obstacle-course races to become the exercise challenge all the fittest people you know are signing up for.
From The Wall Street Journal ● Feb. 27, 2026
It'll be Greg's third Red Nose Day challenge after completing five triathlons in five days in 2016 before cycling between Scafell Pike, Snowdon, and Ben Nevis - climbing each of them - two years later.
From BBC ● Feb. 12, 2026
I was back to competing — triathlons, long runs, challenges of every kind.
From Los Angeles Times ● Apr. 25, 2025
Baird, who got up regularly at 4:30 a.m. to train for triathlons, could appreciate Trooper Rindlisbacher’s tenacity.
From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel
