Prim has been involved in Texas Rugby since 1973 as a player, coach and referee.
- Club Rugby TCU – 1973
- Dallas Reds 1979-1982 (Inducted into Dallas Rugby HOF 2005)
- South Area Rugby Side/Alamo City 1982 (Player Coach)
- Houston Rugby Club 1983-1995 (Captain, Player Coach)
- Representative Rugby Texas 1979-1991
- Western Rugby Union 1980-1989
- USA Eagles 7’s 1983 Coach Texas 7’s 1992-1995
- Western Rugby Union 7’s 1995-1997
- The Woodlands Youth Rugby Club 2002-2008
- Referee 1991-present (achieved B2 Panel)