Crescent proved too strong for Owaka, winning 51-5, after leading 27-0 at halftime.
Crescent forwards dominated the game, with No 8 Lafe Faa'moe and flanker Caleb Wall each scoring three tries.
In the backs, 17-year-old Matthew Barton at second five showed promise.
Clinton, after leading Toko 12-0 at halftime, finally won the game 17-5.
Clinton's forwards led the way, with Andy Howe and Tim James-Morris in grand form.
- Norman Woods