It’s well proven that to stand a chance of racing well in the heat, you have to train in the heat. But sauna suffer-fests have another benefit: They prepare you to run faster in cooler weather, too. In 2010, researchers…
It’s well proven that to stand a chance of racing well in the heat, you have to train in the heat. But sauna suffer-fests have another benefit: They prepare you to run faster in cooler weather, too. In 2010, researchers…