The Boston Marathon T-Shirts 2013

Adidas has sold several thousand of these and all proceeds go to the One Boston Fund.

One of the many official shirts produced by Adidas and the B.A.A. for the 2013 Boston Marathon.

This has a rough map of the course in the race's traditional colors.

Brooks produced this one a few years ago as an homage to the fact that there's a Dunkin' Donuts on almost every corner in the Greater Boston Area.

Now and forever more, Boston is definitely for runners.

Even if you're not from Boston, you can sound like you are.

You get this if you live there—617 is one of the area codes assigned to Boston.

Saucony printed these as part of its 40th anniversary celebration of the Greater Boston Track Club.

Brooks and Marathon Sports put a fun spin on Heartbreak Hill with this tech T.

Sadly, this one suddenly had a much different meaning after 2:50 p.m. on April 15.

Anyone can buy one of these, but it's really just for those who run the race.

This one pays respect to those vociferous girls of Wellesley College.

If you're an out-of-town runner, you've gotta have "lobstah" in Boston.

Mizuno subtly captured the international appeal of the Boston Marathon with this one.

Reebok highlighted some ubiquitous Boston icons on this one.

A classic image designed in the likeness of old-time Welcome to Boston street signs.

This is what you do once the starting gun goes off in Hopkinton.

When you let it all out in Boston, this is what happens.

Now is the time for all of us to keep calm and run for Boston.

Boston's Irish heritage is as ever-present as the running vibe in Beantown.

Sully's, a local Boston shirt company, made this one to raise money for the One Boston Fun.

New Balance printed these shirts for runners taking part in a late-night run honoring Paul Revere's Midnight Run two days before the marathon.

Newton Running borrowed a line from "Good Will Hunting," one of the best films set in Boston.

This shirt, from Adidas, says it all.