forty twenties

• Cycling
• 1h 14mTime
• 88Stress
• 0.84Intensity
• 115Popularity

About this workout

Forty twenties are a brutal VO2 max workout that will push your limits, enhancing your aerobic ceiling for those moments when the road kicks up or you need to respond to a surge in a race. Perfect for building the fitness needed for hard group ride efforts or time trials, this session will leave you gasping but stronger.

Workout structure

• Open-ended 15 min @ 55% (55w)
• 9X
  • 40 sec @ 120% (120w)
  • Rest 20 sec @ 55% (55w)
• 40 sec @ 120% (120w)
• Rest 5 min @ 55% (55w)
• 9X
  • 40 sec @ 120% (120w)
  • Rest 20 sec @ 55% (55w)
• 40 sec @ 120% (120w)
• Rest 5 min @ 55% (55w)
• 9X
  • 40 sec @ 120% (120w)
  • Rest 20 sec @ 55% (55w)
• 40 sec @ 120% (120w)
• Open-ended 20 min @ 55% (55w)