The minimum age requirement for 1 World Bermuda is eight. Regulations break up boxers by age, with weight classes within each division, as follows:
Bantam Division: 8-10 years old with three one-minute rounds and one minute rests.
Junior Division: 11-12 years old with three one-minute rounds and one minute rests.
Intermediate Division: 13-14 years old compete in this division with three 1.5 minute rounds and one minute rests.
Senior Junior Olympic Division: 15-16 years old with three two minute rounds with one minute rests. Boxers of each of the four following divisions also participate with the same round and rest lengths as the Senior Junior Olympic Division.
Youth Division: 17-18
Elite Division: 19-40
Sub-novice Class: 17-34 years old without any bouts.
Novice Class: 17-34 years old with 10 or less bouts.
Open Class: 17-40 years old with more then 10 bouts