5 Miles

5 miles up at the lake, calf muscle was hurting quite a bit. Ran 1 mile, then walked a half, then ran 1.5 miles, then walked a half, then ran 1.5 miles. Overall time was 1:04:58, avg pace of 12:59, avg heart rate of 141. About 34F out, but no wind, so didn't feel too bad out. Running pace was around 12:00, last mile was 11:30.