January 7, 2022 By Deane Barker • January 7, 2022 • 30 Min Bike for Max Cals Alternate 30-seconds light with 30-seconds hard This was awful. A friend recommended this. It’s sustained cardio, where you effectively get no rest, because after 30 seconds of hard work, you just have to keep pedaling. I got 305 calories. My friend, who is probably a 140-pound female, got 343, which is insane. Never again.