Power Build 4'
WU: 15′ build
The time-crunched version of Haeckel is 2 sets of 3×4-minute Threshold intervals that can be treated as slow-force work.
set 1: 100/105/110
set 2: 105/110/113
all recoveries are 1 minute long.
- Author: KShah
- Sport: bike
- Duration: 59 min
- Dominant zone: vo2max
- Intensity: 0.88
- Updated: 2026-04-22T09:32:24.215Z
Structure
- 5 min @ 50% (50w)
- 5 min @ 60% (60w)
- 3 min @ 65% (65w)
- 2 min @ 55% (55w)
- 4 min @ 100% (100w)
- 1 min @ 50% (50w)
- 4 min @ 105% (105w)
- 1 min @ 50% (50w)
- 4 min @ 110% (110w)
- 5 min @ 50% (50w)
- 4 min @ 105% (105w)
- 1 min @ 50% (50w)
- 4 min @ 110% (110w)
- 1 min @ 50% (50w)
- 4 min @ 113% (113w)
- 1 min @ 50% (50w)
- 5 min @ 55% (55w)
- 5 min @ 50% (50w)