If you already provided tee-shirt size at BikeReg ignore this post.
BUT… if you never gave us your size, or don’t remember,
Go to BikeReg NOW and add your tee size!
![](https://i0.wp.com/blackflychallenge.com/wp-content/uploads/2022/05/2022BFCtee.gif?resize=254%2C300&ssl=1)
America's Original Gravel Grinder • Limited to 1,000 entries
If you already provided tee-shirt size at BikeReg ignore this post.
BUT… if you never gave us your size, or don’t remember,
Black Fly Challenge is a registered trademark of the Adirondack Mountain Bike Association, part of the
Inlet Area Business Association.