Quote Originally Posted by Idealmuse View Post
6 miles in 60 minutes is a slug?

Then what's 4.2 miles in 60 minutes? (Although I admit I have 1-2 min walk breaks in there every 4-5 mins) and that's on a treadmill! I'd hate to see what I can do outside.
you know, as counterintuitive as it sounds, I don't think the treadmill is easier than running outside. I can hold a seven minute mile outside for many miles (and faster paces for a shorter time) but after 5 minutes at 7:30 on the treadmill I'm ready to slow down :30 -- 1:00/mile for a while. My treadmill runs are always, well, I don't know if they deserve to be called intervals, but I always have spurts of faster running followed by longer slow periods -- and the fast periods are considerably slower than my working-hard-but-not-horribly-uncomfortable pace outside. I just can't seem to hold a fast pace on the treadmill.

I also can't run for more than about 40 minutes on the treadmill without succombing to extreme boredom, even with an Ipod ... Luckily my university gym has a small indoor track. When it's just too yucky to run outside, I alternate between the treadmill and the track -- 4 continuous miles on the treadmill, 4 hard mile intervals interspersed with walking on the track, etc.

I also find I'm more prone to niggling problems on the treadmill than outside (blisters, tight calves, etc).