ThresholdSwt: 2 x 2 x 12/1Cycling58mTime73Stress0.86IntensityAbout this workoutHamSandwichWorkout structure2 min @ 45% (45w)2X12 min @ 91% (91w)1 min @ 40% (40w)4 min @ 45% (45w)2X12 min @ 91% (91w)1 min @ 40% (40w)