Are over-under workouts suppose to be this hard?

[Captain_Doughnutman]

@Fenderprj

made it through my first two over under workouts but couldn’t make it through McAdie last week

Have a read and welcome to the club:

McAdie +1 - SSBI, How was it for you?

Hi, I’ve done McAdie +1 last Saturday as one of the 5th week SSBI MV training. In short it is an 4x12-minute sets of over-under intervals alternating between 1 minute at 95% FTP and 2 minutes at 105% FTP with 6-minute recoveries fall between intervals. What a BEAST! Since the 2nd or 3rd interval of the 1st set I struggled to avoid collapsing. First the breathing was hard, really hard with my HR going over 170 (I’m 43 years old and 170 indoors looks to me like 190 outdoors) and in the 3rd and 4…