http://www.heartratewatchcompany.com/gps-watch-p/garmin-forerunner-110-unisex.htm – Training for a marathon contains a progression of building up base miles and later integrating speed work. Pacing is so critical that you need to have a precise pace planned but how do you do that? Enter the modern GPS heart rate monitor. Know your anaerobic threshold and the correct heart rate target to keep you out of the red zone and you’ll have a much better race. The tempatation is to start fast – resist it and you can flourish. – created at http://animoto.com
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