4x8 107%

• Cycling
• 53mTime
• 80Stress
• 0.95Intensity
• 15Popularity

About this workout

The Seiler 4x8 workout pushes your limits with three brutal 8-minute intervals at 107% FTP, designed to raise your aerobic ceiling and prepare you for steep climbs or intense race efforts. Perfect for those looking to boost their VO2 max and enhance performance on group rides or time trials.

Workout structure

• Warm-Up 10 min @ 50% (50w)
• 8 min @ 107% (107w)
• Cooldown 2 min @ 50% (50w)
• 3X
  • 8 min @ 107% (107w)
  • 2 min @ 50% (50w)
• 3 min @ 50% (50w)