Came across this blog somehow a few days ago.
I've not done it before, that is take whole chunks of other peoples post at put them here, but thought you'd be interested in what Tim Waggoner had to say and in his blog. I was, and am.
"And a little something to add. I've been doing MAF work since I had an ice cream with Mike Pigg after my first triathlon, the St. Croix International triathlon back in 1996. He told me to just train at HR 145-155 as much as possible and I would do anything I wanted. I listened and was the #1 amateur in the world at Ironman by 2000. I pretty much trained exclusively in that HR range. If you're patient enough to do the correct work you will see big gains. I posted a video on here in November where I was gasping for breath and walking up a hill to keep my HR down. Even jogging down a hill my HR would hit 150 with no effort. But I walked every hill and paid attention and I did the right thing. Today's run, just ~7 weeks after that video, illustrates what happens. I am a responder to this kind of training now because of the years I spent patiently building my economy. I was running sub 5:20 pace on the downhills today and my HR was holding right at ~155. Just sayin."
What do you reckon about what he said?