Relationship between laboratory-measured variables and heart rate during an ultra-endurance triathlon - Laursen, P. B.; Knez, W. L.; Shing, C. M.; Langill, R. H.; Rhodes, E. C.; Jenkins, D. G. (Journal of Sports Sciences, 2005)
Keywords: triathlon; long-term endurance; endurance events; heart rate; Great Britain; endurance sports; biological and medical sciences