Threshold

ZONE 4 INTERVALS

  • Cycling
  • 1hTime
  • 74Stress
  • 0.86Intensity
  • 75Popularity

About this workout

These Zone 4 intervals push your limits with two hard efforts of 10 minutes at 105% FTP, perfect for building the sustainable power you need for weekly group rides and time trials. Incorporate this classic workout into your routine to define your FTP and enhance your performance, making it a staple for any serious cyclist.

isalkind

Workout structure

  • 5 min @ 55% (55w)
  • 5 min @ 75% (75w)
  • 2X
    • 10 min @ 105% (105w)
    • Rest 5 min @ 55% (55w)
  • 15 min @ 75% (75w)
  • 5 min @ 55% (55w)