Table 2 Correlations between the male-to-female ratio, % difference in running speed, and age (r = correlation coefficient, p = p value).

From: Elderly female ultra-marathoners reduced the gap to male ultra-marathoners in Swiss running races

 

5 km

10 km

Half-Marathon

Marathon

Ultra-marathon

r

p

r

p

r

p

r

p

r

p

M/W ratio vs % running speed difference

0.04

0.73

− 0.01

0.92

− 0.45

0.0001

0.28

0.03

0.025

0.84

M/W ratio vs age

0.57

2.97e−07

0.66

6.3e−10

0.67

6.9e−10

0.73

2.8e−11

0.18

0.16

% running speed difference vs age

− 0.43

0.0002

− 0.55

7.1e−07

− 0.11

0.35

0.39

0.001

−0.42

0.0004

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