Intensify block, weeks 17 to 21

Week 19 of BUD/S Prep

Continuous sessions grow to two by 16 minutes. The long run is 7.5 miles. If a retest PST is due, do it early in the week, before the long run.

The six sessions

DayCardioStrength
MondayLong slow distance run7.5 milesUpper/Core
TuesdayContinuous high-intensity swim2 x 16 minLower/Push-Sit-Pull
WednesdayInterval run10 repsCore/Push-Sit-Pull
ThursdayLong slow distance swim2800 yardsCore/Push-Sit-Pull
FridayContinuous high-intensity run2 x 16 minUpper/Core
SaturdayInterval swim10 repsLower/Push-Sit-Pull

What changes from week 18

  • Monday, long slow distance run: 7.25 miles to 7.5 miles
  • Tuesday, continuous high-intensity swim: 2 x 14 min to 2 x 16 min
  • Thursday, long slow distance swim: 2700 yards to 2800 yards
  • Friday, continuous high-intensity run: 2 x 14 min to 2 x 16 min

The intensify block

Weeks 17 to 21 push the long sessions toward race-plus distances: runs of seven to eight miles and swims of 2600 to 3000 yards. Continuous high-intensity blocks lengthen again. A candidate who has stayed healthy through this block is in a strong position; a candidate carrying a nagging injury should back off the long days rather than the intervals, because the intervals are what move PST scores.

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