Let us study the running speeds of these marathon runners at Beijing Olympics.In the first 5 km, the leading runner spent 14.53 minutes. The running speed was about 20.6 km/h.
In the first 10 km, the fastest runner spent 29.46 minutes, so the speed was about 20.4 km/h.
At 15 km, the time taken was 44 minutes 36 minutes and the running speed was 20.17 km/h. It seemed that the speed was declining a little.
At 25 km, the time taken was 1 hour 13 minutes 58 seconds and the speed was 20.28 km/h.
At 30 km, the time taken was 1 hour 29 minutes 12 seconds and the speed was 20.18 km/h.
At 35 km, the taken was 1 hour 44 minutes 37 seconds and the speed was 20.07 km/h.
The Kenyan runner, Wansiru, took 1 hour 59 minutes 54 seconds to finish 40 km and his speed was 20.02 km/h.
The Marathon winner, Wansiru, took 2 hours 6 minutes 32 seconds to finish the whole distance of 42.195 km. His overall running speed was 20 km/h.
1 comment:
Fantastic, these people need all their strength, determination and perseverence to finish the race.
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