3 ms·It is temperature dependent. Try keeping up with the dogs running the Iditarod in Alaska :)by gregwebs 14y agoIt is temperature dependent. Try keeping up with the dogs running the Iditarod in Alaska :)cfontes 14y ago+1 great point !loeg 14y agoGood point! Also, humans do not run very well in snow (bipeds, too much weight per surface area, too high center of gravity and stride length...).