by 
Yep, this is for real!
Check out the Runner’s World Age Grade Calculator here: http://ow.ly/W1kQe
I wasn’t aware until recently that age-graded scores are calculated and applied in current day athletic competitions. A power bonus to the flailing heart!
Go have some fun and see how fast you really rate. It’s fascinating stuff.
Posted by Kara Gilbert @ KMG Communications.
HH4A Heart Health for Athletes 
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