20min Tempo w/15sec Accelerations

• 05:00 @ 45% FTP - 65% FTP
• 4x

  04:45 @ 89%,
  00:15 @ 150%
• 05:00 @ 55%
• 4x

  04:45 @ 88%,
  00:15 @ 150%
• 05:00 @ 55%

Enter FTP

Completing long tempo efforts with short, high-intensity surges is another way to increase threshold power. The body must process the lactate produced from the above threshold surges with the constant high power.

A practical session without the lung burning effect of a sustained threshold effort.