My playlist can peer into my soul. The session started with "Slow Ride" and ended with "Highway to Hell". It was another hard, sweaty climb up Alpe du Zwift, but I got all the stars. Due to a scoring bug, I actually have credit for all five bike workouts in the Tri Academy after doing only three. Time and the gruelling run workouts permitting, we'll play fair and pick those up later. "long VO2 intervals include anything where the reps are over 1 minute in duration. They’re not usually as intense as short VO2 intervals, although they should still be higher than your FTP... This session comes with a bit of a twist. The first minute is over FTP at 110% before settling a little lower, but still above FTP for 2 minutes. Recent studies have shown that intervals with variable intensity have a greater training effect..."