Difficult to ski in Level 1

I started using a heart rate monitor this fall. Here's a few comments from my experiences thus far.

The monitor says my level 4 efforts were about right.

My level 1 training was way off. With the monitor, I found that Level 1 is a much lower level of effort than I supposed. I'm also having trouble staying in level 1 while skiing... yesterday I was constantly finding myself in Level 2 or 3 while trying to ski an easy Level 1 distance workout.

I'm using the levels defined by CXC Academy. My numbers are shown in the table below. I'm using 187 for my max heart rate which is the highest I've seen during hard efforts. This is a bit higher than the age formula which gives 220-40=180.

Max HR: 187

Level MIN MAX

5 187 (100%) 187 (100%)

4 168 (90%) 187 (100%)

3 150 (80%) 168 (90%)

2 131 (70%) 150 (80%)

1 112 (60%) 131 (70%)