Glass in Heel?

Had a pretty awesome week of training last week: Sunday-Wednesday.  Then, during my beach day - my heel somehow got re-aggravated.  Maybe there is still glass in there - or maybe the wound just got re-aggravated.  It's still sore today (Monday morning) - after taking 4 days off.  The one day I did do something - bike into work - my pedal fell off (crappy crank).  Not a great end of the week.  So now the bike is in the shop until at least today or tomorrow.  I did my strength training this week.  Last week I biked a total of 28 miles - it'll be hard to match that again.  And with my heal on ice (for how long???), it may be another sad week to end the summer...