Thursday is another UBRR training day followed by a 4-mile rucksack march. Are you keeping a log of your times on your runs and rucks? You should mark down your workouts and especially your times on those runs and rucks. You should notice a marked improvement as we progress. Ensure you stay hydrated as well as break in the second pair of boots.
UBRR Training:
More Preparation for the UBRR:
3 x 20 pushups
3 x 20 sit-ups
3 x 20 crunches
3 x 20 dips or until muscle failure
3 x 20 side planks
4-mile rucksack march (45-pound minimum, 60 minutes maximum) over varied terrain, note your time
Stretch well after completion