Table 1. Characteristics of participants in each race, mean ± SD
AllMWRR½ MarathonPikes PeakMarathonMWRR altitude subgroup
N111192121504
Age (years)34.5 ± 6.435.0 ± 5.432.9 ± 6.737.0 ± 7.533.9 ± 5.931.8 ± 5.2
Race duration (hr:min:sec)1:23:45 ± 0:08:201:25:42 ± 0:04:522:59:33 ± 0:11:472:54:43 ± 0:07:201:05:31 ± 0:10:07c
% of winning time136.1 ± 9.5142.8 ± 13.8a,b138.2 ± 10.1133.1 ± 8.8a133.9 ± 5.6b111.3 ± 16.6c
  • a Significant difference (P < 0.01) between MWRR and Pikes Peak.

  • b Significant difference (P < 0.01) between MWRR and the Marathon. Runners in the shorter races, considered together, were slightly less competitive than those in longer races (P < 0.01). MWRR and the ½ marathon were significantly shorter in duration than Pikes Peak and the marathon (P < 0.0001).

  • c MWRR altitude subgroup had significantly lower % of winning time and race duration than all other groups (P < 0.01).