Walliams vs The Thames Day 4 Part 1 | Sport Relief 2012

As the Thames water continues to take its toll on David's health, he musters enough energy to make great progress on day four of BT Sport Relief Challenges: Walliams vs The Thames. Crowds of people continue to line the riverbank to cheer David on and give him the boost he needs.

To follow David's progress visit http://www.sportrelief.com/walliams and to sponsor him visit http://www.sportrelief.com/swim

As the nation celebrates the biggest ever year of sport, the entire country can join in the fun with Sport Relief 2012 from Friday 23rd to Sunday 25th March.

Enter The Mile:
http://www.sportrelief.com/the-mile

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