Sub Threshold #1

• 05:00 @ 45% FTP - 75% FTP
• 2x

  01:00 @ 80% FTP,
  01:00 @ 50% FTP
• 2x

  01:00 @ 98% FTP,
  01:00 @ 50% FTP
• 02:00 @ 50% FTP
• 05:00 @ 95% FTP
• 05:00 @ 50% FTP
• 00:30 @ 110% FTP
• 09:30 @ 88% FTP - 94% FTP
• 05:00 @ 50% FTP
• 00:30 @ 110% FTP
• 09:30 @ 88% FTP - 94% FTP
• 05:00 @ 75% FTP - 45% FTP

Enter FTP

We need to perform long, steady efforts to build endurance and aerobic efficiency. Today's session is comprised of 2 x 10-minute Sub Threshold efforts.

After opening the interval with a 30-second zone 5 surge, the remaining time will gradually increase in power throughout the effort.

Observe how much this increase in power affects your heart rate.