Byrd, P., Hatley, H., & Hickner, R. C. (2000). Effect of 28 days of creatine supplementation on performance of a simulated cycling road race. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 749.

The effects of creatine supplementation on final sprint time in a simulated road race were studied. Trained cyclists (N = 12) performed an ergometer task (60% VO2max) for two hours with three 10-second sprints (110% VO2max) repeated every 15 minutes. Creatine or placebo supplementation was administered for 28 days (3 gm/kg/day) after which final testing was performed.

Final sprint time to exhaustion was not affected by creatine supplementation.

Implication. Creatine supplementation does not improve final sprint performance in a lengthy endurance task.

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