Re: yasso’s 800mm Welcome! › Forums › Running Forum › New article: Why Yasso 800s Are Overrated › Re: yasso’s 800mm January 12, 2004 at 12:55 am #13014 Anonymous Hello, I read your post and I totally agree. I am an x-college 800m runner and I use to do a 8x800m workout at 2:42 per 800m. And let me tell you there is no way in hell I could run a 2:42 marathon!!