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4x4

4 boulders, each climbed 4 times within 4 min, then 4 min rest. 16 climbs.

Slot
On the wall
Focus
Power endurance
Time
28 min
Intensity
High
Injury risk
Moderate
Intervals
4 × 4:00 on, 4:00 off
Equipment
Boulders, Overhang, Timer

How to do it

Pick 4 overhanging boulders around flash level. You have 4 minutes per boulder to climb it 4 times, then 4 minutes rest before the next.

When it fits

Training periods this block is tagged for in Blok Sessions.

  • Power Endurance Sustain power output across repeated hard efforts.