This ride includes three sets of a gradual build taking the intensity from 70%-90% of your FTP which is an Endurance pace up to an upper Tempo zone. After each there will be a short :30 second recovery followed by a :30 second effort, "earning your stripe", reaching in to the anaerobic zone. After each build, you will earn an additional stripe for a total of 6 in todays 40-minute session.