Dirr, J. R., Lester, B. E., Lester, E. B., & Kraus, R. M. (2014). The influence of resistance training on performance in an international distance triathlon. Medicine & Science in Sports & Exercise, 46(5), Supplement abstract number 914.

This study determined if resistance training in the two months preceding an international distance triathlon predicted performance. Ss were triathletes (M = 51; F = 42) of all ages training for one of two international distance triathlon races in the Midwest. Ss completed a comprehensive online survey of triathlete training behaviors. Resistance training was defined as physical training that used free weights or machines to strengthen or develop muscles. Race times were retrieved from official event results. Resistance and non-resistance training athletes were compared.

There were no statistically significant differences in overall triathlon times between the groups. The adjusted triathlon time means for the group that engaged in upper-body resistance training and the group that did not were not significantly different. The adjusted triathlon time means for the group that engaged in lower-body resistance training and the group that did not were also were not significantly different. Resistance training of any form did not enhance triathlon performance.

Implication. A regular routine of upper- and/or lower-body resistance training performed in the two months prior to an international distance triathlon did not enhance triathlon performance time.

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