Grant van Niekerk completes his treble on the Justin Snaith-trained Zippy Over (Picture: Wayne Marks).

Both Grant van Niekerk and Brett Crawford had trebles at Hollywoodbets Kenilworth on Thursday.

Ashton Arries rode a double for Piet Steyn and there were also doubles for Corne Orffer, Justin Snaith and Andre Nel. 

Van Niekerk is now on 40 wins for the season at a strike rate of 12.94%.

Brett Crawford is on 97 wins at 13.80%.

Snaith is on 127 wins at 12.78%.  

Orffer is on 24 wins at 8.22%.

Arries is on 36 wins at 8.45%. 

Piet Steyn is on 9 wins at 11.11%. 

Nel is on 35 wins at 9.11%.