http://chestnuthill.ma.povo.com/Commonwealth_Avenue_%28236-266%29/Boston_Marathon_Mile_Marker_21 Commonwealth Avenue (236-266)/Boston Marathon Mile Marker 21 The Povo Community 42.3369 -71.176 This wiki page represents an area in Chestnut Hill, MA called Commonwealth Avenue (236-266)/Boston Marathon Mile Marker 21 http://static.povo.com/img/logos/povo32.png http://static.povo.com/img/logos/povo_text.png Portions Creative Commons Licensed via cc-by-sa-3.0. Terms of use: http://world.povo.com/Povo:Terms%20of%20Use. Geographic location data is NOT Creative Commons, but copyright TeleAtlas. 2008-05-19T14:43:53.1700000-04:00 Commonwealth Avenue (236-266)/Boston Marathon Mile Marker 21 2008-05-19T14:43:53.1700000-04:00 http://chestnuthill.ma.povo.com/Commonwealth_Avenue_%28236-266%29/Boston_Marathon_Mile_Marker_21
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Marathon: Mile Marker 21

Mile Marker 20 > Mile Marker 21 > Mile Marker 22

Town: Chestnut Hill, MA

Street: Commonwealth Avenue (236-266) (See a street level view of this location)

Overview http://chestnuthill.ma.povo.com/Listing:Overview_on_Commonwealth_Avenue_%28236-266%29/Boston_Marathon_Mile_Marker_21 2008-05-19T14:43:53.1700000-04:00 2008-05-19T14:43:53.1700000-04:00
The runners have just finished the hills of Newton and are so happy they are done and are heading into the last leg of the race.
Run the Marathon from this Mile Marker!
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FOR RUNNERS

Get to know Mile Marker 21 of the course before race day.

FOR SPECTATORS

Get to know the neighborhood around Mile Marker 21.

 Runners Insights http://chestnuthill.ma.povo.com/Listing:Runners_Insights_on_Commonwealth_Avenue_%28236-266%29/Boston_Marathon_Mile_Marker_21 2008-05-19T14:43:53.1700000-04:00 2008-05-19T14:43:53.1700000-04:00
If you have paced yourself correctly, you can begin flying by people from 21 to the finish, as the last 5 miles is a 230 foot descent. If you have NOT paced yourself correctly, hang on ! Mile 21-22 drops 80 feet, and the roar of the Boston College kids is wonderful ! As you crest the hill at Boston College, you can get your first glimpse of the downtown syscrapers and often get a nice breeze.
Where to Watch http://chestnuthill.ma.povo.com/Listing:Where_to_Watch_on_Commonwealth_Avenue_%28236-266%29/Boston_Marathon_Mile_Marker_21 2008-05-19T14:43:53.1700000-04:00 2008-05-19T14:43:53.1700000-04:00
You are in Boston College country here and have crowds of students, sometimes 8 deep at pockets, screaming and cheering along this mile. For someone that wants to be able to see it all, this might not be a good place for you, but it sure is lively and fun.