David Walliams swims the Thames - in pictures

David Walliams begins as close to the Thames source as possible in Lechlade, Gloucestershire Photograph: Rhian AP Gruffydd/Comic Relief

Walliams in his figure hugging bodysuit at Penton Hook Lock Photograph: Des Willie/Comic Relief/PA

Walliams is cheered on in Long Whittenham, Oxfordshire Photograph: Steve Parsons/PA

Walliams swims past local schoolchildren in Wittenham, Oxfordshire Photograph: Steve Parsons/PA

Rob Brydon and the support crew following Walliams into Windsor Photograph: Rhian AP Gruffydd/PA

Walliams is met by Miranda Hart as he exits the Thames for his mid morning break at Cookham bridge Photograph: Des Willie/Comic Relief

Walliams is greeted by a large crowd at Boulters Lock, Maidenhead, Surrey Photograph: Des Willie/PA

Michael Parkinson shows his support Photograph: Rhian AP Gruffydd/PA

Walliams steps out into the water after lunch at Henley Bridge Photograph: Lucille Flood/Comic Relief

Walliams talks to Noel Gallagher live on Radio 2 on Saturday Photograph: Des Willie/PA