3 ms·
It depends on distance. 1 mile, 6:30 min/mi, half marathon 7:40 min/mi. There's quite a good formula that Pete Riegel came up with to predict your speed over a
by yangyang 17y ago
It depends on distance. 1 mile, 6:30 min/mi, half marathon 7:40 min/mi.
There's quite a good formula that Pete Riegel came up with to predict your speed over a certain distance: T2 = T1 x (D2/D1)^1.06. There's a caculator on this page: http://www.runnersworld.co.uk/news/article.asp?UAN=1681 http://www.runnersworld.co.uk/news/article.asp?UAN=1681. It's been pretty accurate for me, YMMV.