Stress points: 57
The opening 5 minute threshold effort prepares you for the following 2 x 10 Sub-Threshold Interval.
Note your heart rate at the completion of the 10 minute Sub-Threshold intervals.
Did max HR rise, or were you able to maintain?
*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?.