{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,26]],"date-time":"2026-02-26T06:38:26Z","timestamp":1772087906190,"version":"3.50.1"},"reference-count":45,"publisher":"Public Library of Science (PLoS)","issue":"11","license":[{"start":{"date-parts":[[2024,11,25]],"date-time":"2024-11-25T00:00:00Z","timestamp":1732492800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012226","name":"Fundamental Research Funds for the Central Universities","doi-asserted-by":"publisher","award":["21lzujbkytd009"],"award-info":[{"award-number":["21lzujbkytd009"]}],"id":[{"id":"10.13039\/501100012226","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Gansu Provincial Department of Transportation","award":["Grants No. 2023-03"],"award-info":[{"award-number":["Grants No. 2023-03"]}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:sec id=\"sec001\">\n<jats:title>Purpose<\/jats:title>\n<jats:p>This study aims to quantitatively analyze the impact of split times on overall performance in standard distance triathlon events. It also examines how environmental factors such as water type, temperature, and altitude affect overall race outcomes.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec002\">\n<jats:title>Methods<\/jats:title>\n<jats:p>Quantile regression was employed to analyze the race records of 1,580 triathletes participating in 46 standard distance events in China.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec003\">\n<jats:title>Results<\/jats:title>\n<jats:p>Swim time significantly influences race performance among the top 50% of elite athletes (p &lt; 0.05). For slower elite athletes, bike time is more critical. Temperature has a positive effect on race times, while altitude also shows a significant positive impact, with race times decreasing as altitude increases (up to 1,600 meters in this study\u2019s dataset). River water enhances race times compared to still water, whereas sea water generally slows athletes down.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec004\">\n<jats:title>Conclusion<\/jats:title>\n<jats:p>The influence of split times and environmental factors on overall race rime varies according to the athletes\u2019 performance levels. To optimize results, training plans and race strategies should be tailored to each athlete\u2019s capabilities. Additionally, understanding and adapting to environmental conditions in advance is crucial.<\/jats:p>\n<\/jats:sec>","DOI":"10.1371\/journal.pone.0313496","type":"journal-article","created":{"date-parts":[[2024,11,25]],"date-time":"2024-11-25T18:43:12Z","timestamp":1732560192000},"page":"e0313496","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":2,"title":["Analysis of quantile regression for race time in standard distance triathlons"],"prefix":"10.1371","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5808-5519","authenticated-orcid":true,"given":"Junhui","family":"Zhao","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yongfang","family":"Ma","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaoxiao","family":"Hu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"340","published-online":{"date-parts":[[2024,11,25]]},"reference":[{"issue":"6","key":"pone.0313496.ref001","doi-asserted-by":"crossref","first-page":"345","DOI":"10.2165\/00007256-200232060-00001","article-title":"Specific Aspects of Contemporary Triathlon","volume":"32","author":"DJ Bentley","year":"2002","journal-title":"Sports Medicine"},{"issue":"3","key":"pone.0313496.ref002","doi-asserted-by":"crossref","first-page":"315","DOI":"10.1123\/ijspp.2.3.315","article-title":"The Relationships Between Science and Sport: Application in Triathlon.","volume":"2","author":"GP Millet","year":"2007","journal-title":"International Journal of Sports Physiology and Performance"},{"issue":"8","key":"pone.0313496.ref003","doi-asserted-by":"crossref","DOI":"10.23736\/S0022-4707.19.09190-4","article-title":"Contribution of select physiological variables to sprint triathlon performance","volume":"59","author":"T Papavassiliou","year":"2019","journal-title":"The Journal of Sports Medicine and Physical Fitness"},{"issue":"04","key":"pone.0313496.ref004","doi-asserted-by":"crossref","first-page":"276","DOI":"10.1055\/s-2007-972633","article-title":"Economy During a Simulated Laboratory Test Triathlon is Highly Related to Standard Distance Triathlon.","volume":"18","author":"H Miura","year":"1997","journal-title":"International Journal of Sports Medicine"},{"key":"pone.0313496.ref005","doi-asserted-by":"crossref","first-page":"1516","DOI":"10.12688\/f1000research.12388.1","article-title":"Medical support during an Ironman 70.3 triathlon race.","volume":"6","author":"HR Yang","year":"2017","journal-title":"F1000Research"},{"issue":"10","key":"pone.0313496.ref006","doi-asserted-by":"crossref","first-page":"1828","DOI":"10.1249\/MSS.0b013e31817e91a4","article-title":"Analysis of Hawaii Ironman Performances in Elite Triathletes from 1981 to 2007","volume":"40","author":"R. 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