The Groton Dunstable Travel teams compete in the Central Mass Youth Basketball League (CMYBL). The League is an all-volunteer program and is administered by Josh Hammer (Div 1 and Div 1A) Daryl Rupp (Div 2). Each town organizes and schedules it's own program. The GDYBL Travel Board administers Groton Dunstable's participation in the CMYBL.
The league is divided into two divisions, as follows: