IMPORTANT: M25 closed junction 10 to 9 on Saturday, so you will need to plan a differennt route and leave extra time (and probably avoid the A3, as it's the main diversion route).
12:00 meet at Chessington CC:
Sir Francis Baker Recreation Ground
Leatherhead Road
Chessington
KT9 2NB
Any issues or lifts needed, contact me 07980143622.