Monday I spun for an hour pretty hard, just below MAF and lifted some weights. I'm not counting the mileage in my weekly total, but a good little work-out.
Tuesday - 10 miles. 5 mile tempo and then 5 MAF. Which one do you think was more fun?
Aside from the guilt I'm feeling when the heart is elevated, the tempo runs are nice. I'm totally puzzled (still) by the MAF approach. In about a month I start over and begin testing to see where I'm at. That will be pretty telling.