3x7 Engine Builders

• Cycling
• 53mTime
• 52Stress
• 0.77Intensity
• 1,100Popularity

About this workout

This workout features 2 sets of sustained efforts at 91% FTP, designed to develop the power you can maintain during weekly group rides and time trials. It's a solid choice for building your threshold capacity while pushing your limits without complete burnout.

Workout structure

• 5 min @ 45% (45w)
• 6 min @ 65% (65w)
• 2X
  • 7 min @ 91% (91w)
  • 5 min @ 65% (65w)
• 7 min @ 91% (91w)
• 6 min @ 65% (65w)
• 5 min @ 45% (45w)