- Age categories are calculated from 31 st December in the year of competition.
- No athlete may obtain a birthday in the year of competition and compete in that age.
- U 9 – Born 2009
- U 10 – Born 2008
- U 11 – Born 2007
- U 12 – Born 2006
- U 13 – Born 2005
- U 14 – Born 2004
- U 15 – Born 2003
- U 16 – Born 2002
- U 17 – Born 2001
- U 18 – Born 2000
- U 19 – Born 1999
