Table 2.

Gender difference (%) in Ironman triathlon performances and in time spreads

	Gender difference (%)
	Ironman Hawaii	Ironman Switzerland
Performance
Swim split	9.8 ± 2.9	14.0 ± 5.4
Cycling split	12.7 ± 2.0	13.2 ± 2.4
Running split	13.3 ± 3.1	18.2 ± 4.1
Total race time	12.6 ± 1.3	14.9 ± 2.9
Time spreads (first versus tenth)
Men	4.8 ± 1.3	7.5 ± 1.3
Women	7.1 ± 2.3	10.4 ± 3.3

Data from Ironman Hawaii [18] versus Ironman Switzerland for the overall top ten athletes in 2010.