The age-related performance decline in Ironman triathlon starts earlier in swimming than in cycling and running - Käch, I.; Rüst, C. A.; Nikolaidis, P. T.; Rosemann, T.; Knechtle, B. (The Journal of Strength and Conditioning Research, 2018)
Keywords: triathlon; long-term endurance; swimming; age; performance capacity; performance development; USA; endurance sports