Uncategorized How Mark Allen Improved his Speed by Slowing down with a Heart Rate Monitor. Dr. Nick Campitelli | October 16, 2012 Working your heart by Mark Originally appeared at : http://www.markallenonline.com/maoArticles.aspx?AID=2 Use your heart rate monitor During my 15 years of racing in the sport of triathlons I searched for those Read More