Tim Wellens became Belgian Cycling Champion in the baking oven of Binche. And that is remarkable, because Wellens and heat, that was like sand in a motor: that sands, that creaks and in the long run nothing else is marching. The teammate of Tadej Pogacar owes its success, he says, to heat training. Can ordinary mortals also arm themselves at 38 degrees? We asked thermophysiologist Boris Kingma.
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