For the 2017-2018 season the following age categories will apply in British Cycling cyclo-cross events (effective from 1st September 2017):
- (NWCCA only): Under 8 born in 2010 or later
- Under 10 born in 2008 or 2009
- Under 12 born in 2006 or 2007
- Youth – born 2002 to 2005
- Youth – Under 16 – born 2002 or 2003
- Youth – Under 14 – born 2004 or 2005
- Junior born 2000 or 2001
- Under 23 born 1996 to 1999
- Senior born 1999 or earlier
- Veteran – born 1977 or earlier
- Vet 40-49 born 1968 to 1977
- Vet 40 born 1973 to 1977
- Vet 45 born 1968 to 1972
- Veteran 50+ born 1967 or earlier
- Vet 50 born 1963 to 1967
- Vet 55 born 1958 to 1962
- Vet 60 born 1952 to 1957
- Vet 65 born 1948 to 1952
- Vet 70+ born 1947 or earlier
- Vet 40-49 born 1968 to 1977
