threshold

4x8min Hi Z4

  • Cycling
  • 1h 36mTime
  • 118Stress
  • 0.86Intensity
  • 245Popularity

About this workout

This workout features four tough intervals of 8 minutes at 105% FTP, designed to push your threshold and mimic the sustained efforts needed in weekly group rides and time trials. It's a perfect choice for building the power you need to maintain your pace during those crucial moments in races when the intensity ramps up.

Toby

Workout structure

  • 5 min @ 50% (50w)
  • 5 min @ 72% (72w)
  • 3 min @ 96% (96w)
  • 5 min @ 40% (40w)
  • 4X
    • 8 min @ 105% (105w)
    • 4 min @ 40% (40w)
  • 30 min @ 72% (72w)