threshold

4 x 15 (3RI)

  • Cycling
  • 1h 30mTime
  • 112Stress
  • 0.86Intensity
  • 30Popularity

About this workout

This 4 x 15 workout hones your ability to sustain that critical threshold pace, perfect for nailing your FTP during group rides or time trials. It's a classic staple that builds endurance and power, making those race efforts feel more manageable when the pressure's on.

Jonegrav

Workout structure

  • 5 min @ 50% (50w)
  • 5 min @ 65% (65w)
  • 3 min @ 75% (75w)
  • 3X
    • 15 min @ 94% (94w)
    • 3 min @ 50% (50w)
  • 15 min @ 94% (94w)
  • 5 min @ 60% (60w)
  • 3 min @ 50% (50w)