Check this great PDF from Heartbreakhill.org with mile pace broken down into interval times on the track.
http://www.gulfwinds.org/Training/Track%20Interval%20Pace%20Calculator.pdf
Check this great PDF from Heartbreakhill.org with mile pace broken down into interval times on the track.
http://www.gulfwinds.org/Training/Track%20Interval%20Pace%20Calculator.pdf