4 x 15min Threshold

• Cycling
• 1h 38mTime
• 127Stress
• 0.88Intensity
• 26Popularity

About this workout

This workout features four solid 15-minute intervals at 98% FTP, pushing your aerobic threshold while offering a punishing test of your sustainable power. A staple for any competitive cyclist, it's perfect for sharpening your performance in weekly group rides and time trials.

Workout structure

• 5 min @ 50% (50w)
• 5 min @ 75% (75w)
• 3 min @ 95% (95w)
• 4X
  • 5 min @ 40% (40w)
  • 15 min @ 98% (98w)
• Rest 5 min @ 40% (40w)