AAU
Primary 6-8 year olds
Sub Bantam 9 year olds
Bantam 10 year olds
Sub Midget 11 year olds
Midget 12 year olds
Sub Youth 13 year olds
Youth 14 year olds
Intermediate 15-16 year olds
Young Men/Women17-18 year olds
* Athletes who are 18 years through the final day of the Olympic Games are eligible to compete as young men/women.
The athletes age in that year shall determine what division he/she will compete in.
USATF
Bantam 10 + under
Midget 11-12 year olds
Youth 13-14 year olds
Intermediate 15-16 year olds
Young Men/Women17-18 year olds
* Athletes who are 18 years through the final day of the Olympic Games are eligible to compete as young men/women.