Bill Hybels relates that in...
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Bill Hybels relates that in the Boston Marathon there is a legendary obstacle called Heartbreak Hill. Starting at mile thirteen of the Boston race course, there are a number of hills, climaxing at mile nineteen with Heartbreak Hill. It's the longest, steepest hill in the race. What makes this hill even worse is that world-class runners "hit the wall" around mile eighteen or nineteen (even if they're running a level grade). That is, their bodies have depleted the glycogen stored in the muscles. That glycogen has been replaced with lactic acid. The muscles are screaming for oxygen. And when you hit the wall, you just feel like you're going to die. Heartbreak Hill tests runners to the very core of their determination and strength. There are Heartbreak Hills in life. And we can become weary in our race. -- Riether
