If I had run 4:01, I would never talk about running a sub-anything. I'd say I was roughly a 4 hour guy. #UDidntRunThat ow.ly/dogry
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@JustinWolfers 4:01 is a 9:11 min/mile, 3:00 is 6:52 min/mile -- a huge margin that is. We all celebrate shaving 10 sec/mile off.
Sep 1, 2012 · 3:01 AM UTC
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