This is for threshold workouts IIRC. Personally I don’t go shorter than 20 mins (usually 30) for sweetspot, but agree with other comments that more work overall generally wins, so break it up if you need to.
This is for threshold workouts IIRC. Personally I don’t go shorter than 20 mins (usually 30) for sweetspot, but agree with other comments that more work overall generally wins, so break it up if you need to.