Wednesday: Warm up; 5 miles easy running (400 Mile: 3 miles/300 Mile: 3 miles); cool down. You’ll start on the road to a good summer of training with a long run, a tempo run, and some moderately paced runs. Don’t worry about pace in these first two weeks; just get out there, have some fun, and get into the habit of regular running. Workouts always begin with a warmup, some gentle stretching of major muscle groups, and light jogging. Repeat for your cool-down.