triathlete

noun

tri·​ath·​lete trī-ˈath-ˌlēt 

nonstandard -ˈa-thə-

: an athlete who competes in a triathlon

Examples of triathlete in a Sentence

Recent Examples on the Web

This week's awards focused on road races for runners, cyclists and triathletes. — Ryan Murphy, IndyStar, 1 Apr. 2026

Chef Jon Bonnell is cancer-free, and now, the former Ironman Championship triathlete has a new reason to train. — Fort Worth Star-Telegram, 16 Apr. 2026

She was identified as Brazilian triathlete and influencer Mara Flávia by Brazilian outlets O Globo and O Dia. — Escher Walcott, PEOPLE, 20 Apr. 2026

Koch is a 47-year-old engineer and adventurer—an ice and rock climber, a surfer, and a triathlete who participated in the first all-woman space walk and who lived for 328 days on the ISS. — Sally Jenkins, The Atlantic, 8 Apr. 2026

Word History

First Known Use

1982, in the meaning defined above