marathoner
noun
mar·a·thon·er ˈmer-ə-ˌthä-nər 
ˈma-rə-
: someone (such as a runner) who takes part in a marathon
marathoning
ˈmer-ə-ˌthä-niŋ
noun ˈma-rə-
Example Sentences
Recent Examples on the Web Within three years of finishing college, Emma Bates was the best female marathoner in the United States. 
Rachel Axon, USA TODAY, 22 Aug. 2022 Indianapolis native Noah Droddy, the fastest marathoner in Indiana history, was sixth in 1:03:51. David Woods, The Indianapolis Star, 7 May 2022 Birhanu Legese, who has won the Tokyo Marathon twice and is the third-fastest male marathoner in history; Sisay Lemma, the reigning London Marathon champion; and Lemi Berhanu, who placed second last year in Boston. New York Times, 18 Apr. 2022 Two suspended for doping violations American 400-meter runner Randolph Ross and Kenyan marathoner Lawrence Cherono have been booted from the world championships for alleged violations of anti-doping rules. Tom Schad, USA TODAY, 17 July 2022 There’s some debate as to how much any carbon-fiber shoes can benefit a marathoner running at a pace slower than approximately 8:30 per mile, as some models were definitely designed and tested to run at much faster speeds. Brian Metzler, Outside Online, 8 July 2022 With a time of 2 hours and 19 minutes, Chad earned the record for fastest male marathoner to push a quintuple carriage, according to Guinness World Records. Diane Herbst, PEOPLE.com, 17 June 2022 Her mother is a talented marathoner, and her older sister is a collegiate cross country and track coach. oregonlive, 3 July 2022 From the new runner to the more seasoned marathoner, there is a race for everyone. Layla Mcmurtrie, Detroit Free Press, 9 June 2022 See More
Rachel Axon, USA TODAY, 22 Aug. 2022 Indianapolis native Noah Droddy, the fastest marathoner in Indiana history, was sixth in 1:03:51. David Woods, The Indianapolis Star, 7 May 2022 Birhanu Legese, who has won the Tokyo Marathon twice and is the third-fastest male marathoner in history; Sisay Lemma, the reigning London Marathon champion; and Lemi Berhanu, who placed second last year in Boston. New York Times, 18 Apr. 2022 Two suspended for doping violations American 400-meter runner Randolph Ross and Kenyan marathoner Lawrence Cherono have been booted from the world championships for alleged violations of anti-doping rules. Tom Schad, USA TODAY, 17 July 2022 There’s some debate as to how much any carbon-fiber shoes can benefit a marathoner running at a pace slower than approximately 8:30 per mile, as some models were definitely designed and tested to run at much faster speeds. Brian Metzler, Outside Online, 8 July 2022 With a time of 2 hours and 19 minutes, Chad earned the record for fastest male marathoner to push a quintuple carriage, according to Guinness World Records. Diane Herbst, PEOPLE.com, 17 June 2022 Her mother is a talented marathoner, and her older sister is a collegiate cross country and track coach. oregonlive, 3 July 2022 From the new runner to the more seasoned marathoner, there is a race for everyone. Layla Mcmurtrie, Detroit Free Press, 9 June 2022 See More Word History
First Known Use
1923, in the meaning defined above