I recommend experimenting to figure out what works best for you. My personal experience matches: http://www.runnersworld.com/article/0,7120,s6-241-285--12386-

I recommend experimenting to figure out what works best for you. My personal experience matches: http://www.runnersworld.com/article/0,7120,s6-241-285--12386-0,00.html http://www.runnersworld.com/article/0,7120,s6-241-285--12386... IMO the studies cited there mirror the results with the mice, so the best bet is to run the 30-75 minutes recommended in the Runner's World article, not several hours as used in the experiments. R.I.P. mice.