Threshold

Seiler 4x8 Study Workout Original Protocol

  • Cycling
  • 1h 30mTime
  • 108Stress
  • 0.85Intensity
  • 50Popularity

About this workout

Seiler intervals: 4 × 8 minutes at 105% FTP with 2-minute short rests. Old-school threshold work from the research.

Mikedr

Workout structure

  • Warm-Up 10 min @ 25-75% (25-75w)
  • Active 15 min @ 65% (65w)
  • 4X
    • Active 8 min @ 105% (105w)
    • Rest 2 min @ 20% (20w)
  • Active 25 min @ 65% (65w)