Table 1. Heart Rate, speed and time during the race.
Km 0-5 5-10 10-15 15-20 20-25 25-30 30-35 35-40 40-42.2
HR 161±5 164±6* 162±6†  165±6* 163±7* 163±5*§ 169±7*† § || 170±5*† § || 170±4*† § ||
SDVt2 - 5.9 - 2.3 - 3.8 - 1.4 - 2.6 - 3.1 + 3.1 + 4.1 + 4.4
Speed 6.43 6.84 6.46 6.69 6.46 6.37 6.40 6.64 6.42
SDMRS - .08 + .33 - .05 + .18 - .05 - .14 - .11 + .13 - .09
Time 779 732 774 747 777 786 782 755 348
SDMRT + 9 - 38 + 4 - 23 + 7 + 16 +12 - 15 + 23
HR (beats · min-1), average heart rate in every 5 km segment; SDvt2 (beats · min-1), standard deviation of HR over ventilatory threshold of athlete; speed (m · s-1), average speed in every 5 km segment; SDMRS (m · s-1), standard deviation of the speed of every segment over the mean race speed; Time (s), time of each 5 km segment; SDMRT (s), standard deviation of time of each 5 km segment over the mean race time every 5 km.* Differences from 0-5 (p.<001)†  Differences from 5-10 (p.<001)‡ Differences from 10-15 (p.<001)§ Differences from 15-20 (p.<001)|| Differences from 20-25 (p.<001)¶ Differences from 25-30 (p.<001)** Differences from 30-35 (p.<001)† †  Differences from 35-40 (p.<001)‡‡ Differences from 40-42.2 (p.<001).