{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T16:19:28Z","timestamp":1792685968843,"version":"4.5.0"},"reference-count":15,"publisher":"Human Kinetics","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,6,1]]},"abstract":"<jats:p><jats:italic><jats:bold>Purpose<\/jats:bold>:<\/jats:italic> The purpose of this study was to investigate how lactate threshold\u00a0(LT), expressed as a percentage (LT<jats:sub>%<\/jats:sub>) of peak oxygen uptake (VO<jats:sub>2<\/jats:sub>peak), is related to aerobic endurance performance in a large group of aerobic endurance athletes from 3 demanding aerobic endurance sports. <jats:italic><jats:bold>Methods<\/jats:bold>:<\/jats:italic> A total of 292 (212 male and 80 female) aerobic endurance athletes competing in long-distance running, cycling, and cross-country skiing participated in the present study. Based on their competitive history, they were divided into 3 performance-level groups: elite (n\u2009=\u200971), national (n\u2009=\u2009158), and regional (n\u2009=\u200963). VO<jats:sub>2<\/jats:sub>peak and LT tests were conducted on the same day for all athletes, with similar testing protocols. <jats:italic><jats:bold>Results<\/jats:bold>:<\/jats:italic> In the large group of endurance athletes, LT<jats:sub>%<\/jats:sub> did not differ between performance levels (78.9% [6.4%], 79.9% [6.7%], and 80.3% [7.1%] for elite, national, and regional level, respectively). The same nonsignificant difference was observed within males and females as well. VO<jats:sub>2<\/jats:sub>peak differed significantly (<jats:italic>P<\/jats:italic>\u2009&lt;\u2009.01) between performance levels (71.1 [6.5], 65.5 [8.0], and 58.1 [6.4]\u00a0mL\u00b7kg<jats:sup>\u22121<\/jats:sup>\u00b7min<jats:sup>\u22121<\/jats:sup> in elite, national, and regional level, respectively). This was also displayed within males and females separately, although not when expressed in liters per minute. <jats:italic><jats:bold>Conclusions<\/jats:bold>:<\/jats:italic> The findings of similar LT<jats:sub>%<\/jats:sub> between different performance levels in the large group of endurance athletes challenges the realm of LT<jats:sub>%<\/jats:sub> being considered one of the primary determinants of aerobic endurance performance. This study also confirms the importance of VO<jats:sub>2<\/jats:sub>peak as a primary predictor of aerobic endurance performance in a large group of aerobic endurance athletes.<\/jats:p>","DOI":"10.1123\/ijspp.2024-0528","type":"journal-article","created":{"date-parts":[[2025,4,16]],"date-time":"2025-04-16T17:51:10Z","timestamp":1744825870000},"page":"875-879","source":"Crossref","is-referenced-by-count":8,"title":["Elite Aerobic Endurance Performance: Is It Really Related to Lactate Threshold Expressed Relative to Peak Oxygen Uptake?"],"prefix":"10.1123","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9768-3818","authenticated-orcid":true,"given":"Jan Michael","family":"Johansen","sequence":"first","affiliation":[{"name":"Department of Sports, Physical Education and Outdoor Studies, University of Southeastern Norway, B\u00f8, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0253-1721","authenticated-orcid":true,"given":"Eva Maria","family":"St\u00f8a","sequence":"additional","affiliation":[{"name":"Department of Sports, Physical Education and Outdoor Studies, University of Southeastern Norway, B\u00f8, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Arnstein","family":"Sunde","sequence":"additional","affiliation":[{"name":"Department of Sports, Physical Education and Outdoor Studies, University of Southeastern Norway, B\u00f8, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6907-1347","authenticated-orcid":true,"given":"Bent R.","family":"R\u00f8nnestad","sequence":"additional","affiliation":[{"name":"Section for Health and Exercise Physiology, Institute of Public Health and Sport Sciences, Inland Norway University of Applied Sciences, Lillehammer, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7796-5594","authenticated-orcid":true,"given":"Jan","family":"Helgerud","sequence":"additional","affiliation":[{"name":"Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway"},{"name":"Treningsklinikken, Medical Rehabilitation Clinic, Trondheim, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4284-4562","authenticated-orcid":true,"given":"\u00d8yvind","family":"St\u00f8ren","sequence":"additional","affiliation":[{"name":"Department of Sports, Physical Education and Outdoor Studies, University of Southeastern Norway, B\u00f8, Norway"},{"name":"Department of Natural Sciences and Environmental Health, University of Southeastern Norway, B\u00f8, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"100","reference":[{"issue":"1","key":"r1","series-title":"J Physiol","doi-asserted-by":"publisher","first-page":"35","DOI":"10.1113\/jphysiol.2007.143834","article-title":"Endurance exercise performance: the physiology of champions","volume":"586","author":"Joyner MJ","year":"2008","unstructured":"Joyner MJ, Coyle EF. 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