Buff through in this hot weather until we drop? Very unwise, more and more scientists know. At the Four Days Marches they still have the disastrous edition of 2006 firmly in mind. There was a hike in the middle of a heat wave, after which two people died during the first leg. Other sporting events are also more careful and alert to overheating of participants. It doesn’t even have to be extremely hot for that.
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Four Days Marches is not unique: events were canceled at much lower temperatures
