All(adv) 1hr 3x9min Engine Builders

• Cycling
• 1hTime
• 62Stress
• 0.79Intensity
• 910Popularity

About this workout

This workout features three solid 9-minute efforts at 91% FTP, perfect for building the sustainable power needed for group ride paces and time trials. It's a classic threshold session that sharpens your endurance while fine-tuning your ability to hold strong during longer efforts.

Workout structure

• 5 min @ 45% (45w)
• 5 min @ 65% (65w)
• 3X
  • 9 min @ 91% (91w)
  • 6 min @ 65% (65w)
• 5 min @ 45% (45w)