Done as part of a Ruck Race League - Preseason Session

4 x 10:00 ruck intervals (0.66, 0.68, 0.69, 0.69 - 2.72mi)

4 x 5:00 cardio intervals (closer to 18:38)

2141m (4:32), 2221m (4:30), 2345m (4:39), 2504m (4:57)