Berkshire were the defending champions[1] and retained their title by defeating Lincolnshire in a repeat of the 2016 final.
The final was played in Bodicote, Oxfordshire, with Berkshire winning by 6 wickets.
[2] Teams receive 16 points for a win, 8 for a tie and 4 for a draw.
It began on 27 August 2016 at Banbury with the result being a victory for Berkshire by 6 wickets.
Berkshire retained the title whilst Lincolnshire's most recent victory was in 2003.