When it's cold and rainy, it's time to unfold the treadmill and enjoy running in the great indoors! Normally, I hate the treadmill, but by looking at the weather outside the window I find I can take pleasure in it. Also, it is a great opportunity to try something different.

Yesterday I had scheduled intervals. With the bad weather, I decided to run my intervals on the treadmill. However, I also wanted to make them part of my “running faster” program, so I did a variation on the usual ...