Variability in power output during cycling in international olympic-distance triathlon

Naroa ETXEBARRIA, Shaun D'Auria, Judith Anson, David Pyne, Richard A. Ferguson

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


Purpose: The patterns of power output in the ~1-h cycle section of Olympic-distance triathlon races are not well documented. Here the authors establish a typical cycling-race profile derived from several International Triathlon Union elite-level drafting-legal triathlon races. Methods: The authors collated 12 different race power profiles from elite male triathletes (N = 5, age 25 ± 5 y, body mass 65.5 ± 5.6 kg; mean ± SD) during 7 international races. Power output was recorded using SRM cranks and analyzed with proprietary software. Results: The mean power output was 252 ± 33 W, or 3.9 ± 0.5 W/kg in relative terms, with a coefficient of variation of 71% ± 13%. Normalized power (power output an athlete could sustain if intensity were maintained constant without any variability) for the entire cycle section was 291 ± 29 W, or 40 ± 13 W higher than the actual mean power output. There were 34 ± 14 peaks of power output above 600 W and ~18% time spent at
Original languageEnglish
Pages (from-to)732-734
Number of pages3
JournalInternational Journal of Sports Physiology and Performance
Issue number4
Publication statusPublished - 2014


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