You are challenged to munch your way through one 85g bag of fresh watercress and wash it down with a small bottle of water in the fastest time.
The Guinness World Record is currently 32 seconds.
Can you take the heat? If you think you can, sign up at the MAIN STAGE at 1430hrs.
The championships will get started at 1500hrs with the redoubtable Paul Rees keeping the participants in order and the crowd in stitches.