My younger brother runs marathons. He intensely trains for them in the months, weeks, and days leading up to race day. Sometimes those races involve particularly difficult obstacles, like running up a mountain or in Death Valley where the heat coming off the asphalt can melt your shoes while you run. He trains accordingly: running up and down hills, lifting weights, or even working out in the sauna to increase his heat resistance. In training season, he eats a certain way to fuel and prepare his body. Paul draws a comparison between running in races and the spiritual training for our lives fol...
