For 24 hours staff from Deloitte walked laps of the Val Des Terres in a relay.
One of them, David Becker, no stranger to pushing the envelope, did the full 24 hours.
In this latest episode, we dive into his background, motivation and top tips for going beyond what you might think is possible.
The challenge has so far raised more than £4,000 for Grow and you can still donate here.
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