He calls it "joggling" - running and juggling at the same time - and Kevin Williams plans to do it for the entire 26 miles of the Brighton Marathon.
All the more amazing considering that five years ago he suffered a massive brain injury after a fall. He awoke from a two week coma with no idea who he was.
The damage to his brain was so severe, Kevin had to relearn to live from scratch. His only asset a basic muscle memory.
We caught up with him training on Brighton seafront. You can sponsor him here.
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