<Originals>The Effect of the Cycle Phase on Run Performance in an Ultraendurance Triathlon

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LAURSEN, P.B., THODES, E.C., LANGILL, R.H., McKENZIE, D.C. and TAUNTON, J.e., The Effect of the Cycle Phase on Run Performance in an Ultraendurance Triatholon. Adv. Exerc. Sports Physiol., Vol.7, No.3 pp.81-86, 2001. The purpose of this study was to investigate the effects of the cycle phase on the subsequent run performance in an ultraendurance triathlon. In addition, a secondary purpose was to examine the predicitive ability of VO2[?] and T[?] on an actual triathlon run performance. At first, ten highly trained male ultraendurance triathleters (x±SEM: age=36.5±1.5 yrs: body fat=12.2±1.2%) performed an incremental treadmill test (Tr1) to measure VO2[?] and T[?]. Secondly, a 5-h bike time trial (Bissp) was performed. and was immediately follwed by a second incremental treadmill test (Tr2). VO2[?] and T[?] were not significantly different between trials (x±SEM: VO2[?] -46.5±0.16 vs. 4.31±0.14 L-min VO2 at T[?]=3.35±0.11 vs. 3.15±0.11 L-min p>o.o5; Trl ws Tr2 respectvely). Furthermore, the T[?] estimation from Tr2 was not at a significantly reduced speed (x=SEM: Tr1 T[?]=8.8±0.2 mph. Tr2 T[?] -8.3±0.2 mph: p>0.05) and neither of these significantly correlated (r -0.473 to r -0.366: p>0.05 Tr1 to Tr2 respectively) with the actual Ironman Canada triathlon run pace (5.9±0.3 mph). Findings differ somewhat from recently reported Olympoic distance triatholon research. Prediction of run performance in an lrinman triathlon is difficult and likely the interaction of many confounding variables (such as fuel utilization and dehydration) not present to the same degree at the shorter distance.

<Originals>The Effect of the Cycle Phase on Run Performance in an Ultraendurance Triathlon

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