Threshold3x4min K3 0:45Cycling45mTime48Stress0.80Intensity16PopularityAbout this workouttriBARThletWorkout structure10 min @ 34-78% (34-78w)2X4 min @ 95% (95w)3 min @ 74% (74w)5 min @ 95% (95w)16 min @ 73% (73w)