Originally Posted by TexMac

Maybe you need to understand this is "MY Interval". I asked for people's favorite intervals not universal intervals.

105% is good but my understanding is you DON'T have to do 3 minute interval at 105%. 250watts happens to be 85%. This is the early winter building phase (week 8) and 3 minute at 105% is towards the end of the building phase (week12).3 minute at 85% with 1 minute rest happens to be my favorite.