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Table 1 The 100-m, 200-m and 400-m best sprint times (average±SD) in males according to ACTN3 R577X genotype distribution

From: ACTN3 R577X and ACE I/D gene variants influence performance in elite sprinters: a multi-cohort study

  Caucasians African Ancestry
Running event/Genotype RR RX XX RR + DD + RX RR RX
100 m Male 10.55 ± 0.27
(n = 35)
10.58 ± 0.33
(n = 44)
10.77 ± 0.31
(n = 10)
10.56 ± 0.32
(n = 47)
10.26 ± 0.35
(n = 22)
10.28 ± 0.30
(n = 11)
200 m Male 21.19 ± 0.53
(n = 35)
21.29 ± 0.61
(n = 36)
21.86 ± 0.54*
(n = 8)
21.17 ± 0.52
(n = 41)
20.53 ± 0.64
(n = 23)
20.98 ± 0.72
(n = 11)
400 m Male 46.90 ± 1.29
(n = 44)
47.41 ± 1.43
(n = 46)
47.55 ± 1.42
(n = 9)
46.82 ± 1.28
(n = 43)
46.49 ± 1.66
(n = 18)
47.29 ± 1.69
(n = 7)
  1. *200-m (RR vs. RX vs. XX) P < 0.016
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