JUD14-16 – Boring numbers?
Distilled out of the sea of numbers available on internet:
When during a 10 km track from A to B there is an ascent of +100 m, the track can be compared to a 10.8 km one.
When during a 10 km track from A back to A there is an ascent of +100 m, the track can be compared to a 10.4 km one.
Loosing 1 kg of body weight increases your speed with 3 s/km (oops – some sources say 1 s/km and others 15 s/km).
Men vs women:
On all tracks between 800 m and 42 km, the difference between male and female running speed is about 11%.