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In preparation for a successful cycling hour\u2010record attempt, an elite cyclist performed a full\u2010hour simulation to provide insights into performance, physiological, aerodynamic and biomechanical limitations that could be identified in the preparation for a subsequent official attempt. Performance (speed, lap time, power and cadence), physiological (heart rate and estimated body temperature), aerodynamic (C<jats:sub>D<\/jats:sub>A, helmet angle, rotation and rock) and biomechanical (helmet, thigh and foot position changes) measurements were made throughout the attempt, in which an even\u2010pacing strategy was employed where the point of task failure was defined as the lap which the rider could no longer perform at the targeted lap split (16.6\u00a0s) or quicker. The cyclist did not achieve the target distance (54,000\u00a0m) during the simulation. The final distance achieved for the hour was 53,250\u00a0m. Task failure occurred at 38\u00a0min and 33\u00a0s (lap 139\/34,750\u00a0m) into the simulation. Notably, there was a decrease in power output, accompanied with an increase in the estimated body temperature, changes in pedalling kinematics and an increase in aerodynamic drag. The reduction in performance (leading to task failure) during a cycling hour record simulation is underpinned by a decrease in power output as well as an increase in aerodynamic drag due to biomechanical changes in the cycling technique.<\/jats:p>","DOI":"10.1002\/ejsc.12195","type":"journal-article","created":{"date-parts":[[2024,11,13]],"date-time":"2024-11-13T12:25:35Z","timestamp":1731500735000},"page":"1779-1787","source":"Crossref","is-referenced-by-count":2,"title":["Case study of a world hour record simulation in an elite cyclist: Insight into task failure"],"prefix":"10.1002","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3676-6553","authenticated-orcid":false,"given":"Mehdi","family":"Kordi","sequence":"first","affiliation":[{"name":"Royal Dutch Cycling Federation (KNWU) Papendal  Arnhem The Netherlands"},{"name":"Department of Sport, Exercise and Rehabilitation Northumbria University  Newcastle UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dan","family":"Bigham","sequence":"additional","affiliation":[{"name":"Ineos Grenadiers  Manchester UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jacob","family":"Tipper","sequence":"additional","affiliation":[{"name":"JTP Performance Coaching  Birmingham UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Richard A.","family":"Ferguson","sequence":"additional","affiliation":[{"name":"School of Sport, Exercise and Health Sciences Loughborough University  Loughborough UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Glyn","family":"Howatson","sequence":"additional","affiliation":[{"name":"Department of Sport, Exercise and Rehabilitation Northumbria University  Newcastle UK"},{"name":"Water Research Group North\u2010West University  Potchefstroom South Africa"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jonathan","family":"Wale","sequence":"additional","affiliation":[{"name":"Ineos Grenadiers  Manchester UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,11,12]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1152\/physrev.00015.2007"},{"issue":"1","key":"e_1_2_8_3_1","first-page":"203","article-title":"Reliability and Accuracy of Six Hand\u2010Held Blood Lactate Analysers","volume":"14","author":"Bonaventura J. 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