duathlon
noun
du·ath·lon dü-ˈath-lən 
-ˌlän,
also dyü-
: a three-part long-distance race typically having a running phase, a bicycling phase, and a final running phase
duathlete
dü-ˈath-ˌlēt
noun also dyü-
Example Sentences
Recent Examples on the Web Founded by a former duathlon champion and Ironman winner, On began with innovative technology to deliver running shoes with a soft landing and explosive propulsion. 
Todd Plummer, Robb Report, 8 Mar. 2022 Iron Girl is a women’s-only sprint triathlon of a half-mile swim, 11-mile bike ride and 3.1-mile run; the duathlon is a 1.75-mile run, 11-mile ride and 3.1-mile run. Lori Nickel, Milwaukee Journal Sentinel, 19 Aug. 2021 Ben Piecuch, a Providence resident who has twice raced internationally on Team USA in the duathlon, has covered many miles biking on the roads and bike trails of Rhode Island. BostonGlobe.com, 13 Aug. 2020 In 2015, Chris Mosier earned a spot on the Team USA sprint duathlon men’s team for the 2016 World Championship – becoming the first out transgender athlete to qualify for a U.S. national team. Jason Duaine Hahn, PEOPLE.com, 10 Sep. 2020 Some 5,000 road races, roughly 775 cycling events and more than 250 multisport events (triathlons and duathlons) will not happen this spring. Matthew Futterman, New York Times, 21 Apr. 2020 Lauren Fritz won the 8-kilometer duathlon, which started with four kilometers of freestyle skiing and ended with four kilometers of classic skiing. Tess Williams, Anchorage Daily News, 3 Feb. 2020 Francisco Postlethwaite, 24 from Mexicali, Mexico, was born with spina bifida and on Sunday competed in his first duathlon (originally set to be a triathlon) at the Chula Vista Challenge San Diego Half Triathlon held at Bayside Park in Chula Vista. San Diego Union-Tribune, 11 Aug. 2019 Still, that didn’t stop roughly 13,000 people from participating in a duathlon, just running and biking. San Diego Union-Tribune, 11 Aug. 2019 See More
Todd Plummer, Robb Report, 8 Mar. 2022 Iron Girl is a women’s-only sprint triathlon of a half-mile swim, 11-mile bike ride and 3.1-mile run; the duathlon is a 1.75-mile run, 11-mile ride and 3.1-mile run. Lori Nickel, Milwaukee Journal Sentinel, 19 Aug. 2021 Ben Piecuch, a Providence resident who has twice raced internationally on Team USA in the duathlon, has covered many miles biking on the roads and bike trails of Rhode Island. BostonGlobe.com, 13 Aug. 2020 In 2015, Chris Mosier earned a spot on the Team USA sprint duathlon men’s team for the 2016 World Championship – becoming the first out transgender athlete to qualify for a U.S. national team. Jason Duaine Hahn, PEOPLE.com, 10 Sep. 2020 Some 5,000 road races, roughly 775 cycling events and more than 250 multisport events (triathlons and duathlons) will not happen this spring. Matthew Futterman, New York Times, 21 Apr. 2020 Lauren Fritz won the 8-kilometer duathlon, which started with four kilometers of freestyle skiing and ended with four kilometers of classic skiing. Tess Williams, Anchorage Daily News, 3 Feb. 2020 Francisco Postlethwaite, 24 from Mexicali, Mexico, was born with spina bifida and on Sunday competed in his first duathlon (originally set to be a triathlon) at the Chula Vista Challenge San Diego Half Triathlon held at Bayside Park in Chula Vista. San Diego Union-Tribune, 11 Aug. 2019 Still, that didn’t stop roughly 13,000 people from participating in a duathlon, just running and biking. San Diego Union-Tribune, 11 Aug. 2019 See More Word History
Etymology
duo- + -athlon (as in triathlon)
First Known Use
1988, in the meaning defined above