Possibly the hardest race in the world? The Namibia Ultra Marathon wows BBC viewers

Adventure racing in Namibia on the BBC

Blue Peter today BBC 1 16.35 featuring the Namibia Ultra Marathon – the Critics choice in the Sunday Times! – if you missed it or fancy seeing it again you can watch it here http://www.bbc.co.uk/iplayer/episode/b00kc4wv/Blue_Peter_06_05_2009/