Summary: Why use heart rate based training? Record number of marathon finishers in 2013 Bockel and Steffen top the podium at Ironman Melbourne Craig Alexander bids adieu to full-distance Ironman racing
Summary: Why use heart rate based training? Record number of marathon finishers in 2013 Bockel and Steffen top the podium at Ironman Melbourne Craig Alexander bids adieu to full-distance Ironman racing