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Formula for calculating interval pace

1 lurker | 4 watchers

jacdaw Oct 2014 9:00am, 30 Oct 2014 1,110 posts	0 jacdaw Does anybody know where I can find the formula(e) behind the interval pace tables and calculators out there? I mean the sort of thing that asks you how fast you want to run a target race, and then what length of interval you want to do, then gives you an interval pace to aim for. Where do the numbers come from? Thanks.
becca7 Oct 2014 9:55am, 30 Oct 2014 5,780 posts	0 becca7 There is a calculator on this very site. http://www.fetcheveryone.com/training-calculators-trainingpace.php
jacdaw Oct 2014 10:20am, 30 Oct 2014 1,112 posts	0 jacdaw Thanks becca, that is one of the best calculators I've found, but I was really looking for how those numbers are calculated... I suppose I could put lots of numbers in and try to reverse engineer it.
Reinhold Messner Oct 2014 10:23am, 30 Oct 2014 560 posts	0 Reinhold Messner Perhaps Mr Fetch can help? If you plan on reverse engineering, remember that if the limit never approaches anything, the limit does not exist.
fetcheveryone Oct 2014 10:26am, 30 Oct 2014 15,138 posts	0 fetcheveryone I reverse engineered it myself - I looked at lots of interval sessions, done by lots of runners, training for lots of distances - and then I did some curve fitting and rounding. If you asked me to do it again, I'd probably get different results - but by some miracle, it does seem to be pretty good
jacdaw Oct 2014 10:33am, 30 Oct 2014 1,113 posts	0 jacdaw Thanks both. That sounds like it might be more difficult than I was expecting. I did wonder why I couldn't find a simple formula by googling.
AngusClydesdale Oct 2014 10:37am, 30 Oct 2014 8,458 posts	0 AngusClydesdale Have you looked at the Daniels thread? http://www.fetcheveryone.com/viewtopic.php?id=46180
fetcheveryone Oct 2014 11:03am, 30 Oct 2014 15,139 posts	0 fetcheveryone Danielseses book is very good
jacdaw Oct 2014 11:40am, 30 Oct 2014 1,114 posts	0 jacdaw Thanks Angus. There's lots of stuff in there. I may have a look for the book.
FitterStu Oct 2014 3:46pm, 31 Oct 2014 9,612 posts	0 FitterStu The Daniels "Big Spreadsheet" might give you an easier thing to reverse engineer. electricblues.com