Information and opinions on health from ToddParker at HealthCentral.com. HealthCentral.com is one of the top health destinations on the Web, with more than 35 condition-specific, wellness and general health Web properties. http://www.healthcentral.com/profiles/c/24092/index http://www.healthcentral.com/profiles/c/24092/rss self application/xml en-us 15 120 19 http://www.healthcentral.com/images/hc_logo_sm.gif http://www.healthcentral.com/profiles/c/24092/index http://www.healthcentral.com/high-blood-pressure/c/24092/20773/52 Mon, 25 Feb 2008 08:26:00 -0500 ToddParker Dear Dr. I have a question concerning one of my athletes.  He's a 52 year old male, very actively training for marathons and triathlons.  In my cycling classes when we perform some LT - VO2max intervals mixed into a relatively tough 1hr session, his HR Avg  may only be ~110-118, a Max HR of 140.  I would expect at the intensity levels that the max and avg HRs would be ~15-20 bpm higher.  Other athletes' HRs... http://www.healthcentral.com/high-blood-pressure/c/24092/20773/52