Don't know the distance, but did a 1hr 10min run on the Midstate Trail this afternoon (the section that goes through Westminster, MA). That's quite a bit longer than I usually run; I normally do 30-40 minutes. I definitely enjoyed it! I did take a digger at one point due to not paying attention for a few seconds; not even any root or rock there, just plain tripped, like a klutz! Fortunately the only damage was a bit of a bruise at the top of my right knee and a tiny scratch on my right shoulder (plus a bruised ego, but at least nobody witnessed the wipeout), and at least there was no poison ivy where I landed (though there was some on a part of the trail that goes through tall grass, so I guess if I have any itchiness around my ankles tomorrow I'll know why). See, you don't necessarily have to be on a bike to crash!!