Nick Brewer, 45, of Queen Street, Broadwater, is planning on completing 150 two-minute rounds of kickboxing to raise money for Chestnut Tree House children’s hospice.
Nick said: “I can’t tell you how hard it’s going to be. My age is definitely against me. To put my body through this is pushing the boundaries.”
A couple of years ago Nick did 102 consecutive rounds in four hours and lost six kilograms in weight in the process.
More than 100 volunteers will turn up on the day to spar with Nick.
The challenge will take place at Gym Xtreme in Bath Place, Worthing, from 9am, on Saturday, December 6.