Originally Posted by Froze .
Actually there are a few...very few that do have a resting pulse rate in the high 20's, Lance Armstrong was in the low 30's. One of the pros I read about, can't remember his name, had an average rate lower then Lance yet he could never beat Lance. This leads me to believe that the resting heart rate is not the most important factor, it's part of an equation that has other factors that make up the sum total.
You can't figure out how low you can go. Don't fret over how low the resting pulse rate, is rather worry about training, the pulse rate will figure it itself out!