30/15's into Threshold #2

• 05:00 @ 45% FTP - 75% FTP
• 3x

  00:30 @ 65%,
  00:30 @ 89%
• 02:00 @ 55%
• 10:00 @ 75%
• 3x

  00:30 @ 125%,
  00:15 @ 65%
• 05:00 @ 85% FTP - 100% FTP
• 02:00 @ 55%
• 04:00 @ 70% FTP - 45% FTP

Enter FTP

After warming up, complete 10 minutes at Zone 2 Endurance, followed by 3 x 30sec on / 15sec off, leading into 5 minutes at threshold.