30sec @ 85% FTP
4min @ 65% FTP
Stress points: 65
After completing a good warmup, the session is focused on two areas.
Completing 2 x 5min Sub-threshold intervals, and 3 x 4min VO2max efforts.
However, with the 4min efforts coming after the first 5min Sub-threshold interval, we are aiming to deplete your intramuscular glycogen stores and see what effect this has on the second 5min interval.
Is the second 5min interval as comfortable as the first?
*From Zwift 1.49 (early October 2023), Zwift has decided to reorganize its workout library into new collections. Use More workouts like this to find identical workouts in new workout collections or training plans in Zwift. Workouts that are no longer available in Zwift can be downloaded from the official Zwift forum. See more info here: FAQ: How do I obtain and use old Zwift workouts that are no longer available in Zwift?.