Protocol for ventilatory threshold determination test

Our test is maximal and stepwise, starting with a 3-minute warm-up at 50 watts, then ramping up to 100 watts with 20 watt increments every 80 seconds until exhaustion. You can download this protocol for Zwift at the following link. To load it in your Zwift session, you must access in your computer to Documents/Zwift/Workouts/###### …