Sean Conway
Media playback is unsupported on your device

Adventurer in coastal swim challenge

13 August 2013 Last updated at 21:43 BST

An adventurer has reached the 300-mile mark in his bid to become the first person to swim the entire length of Great Britain.

Sean Conway, from Cheltenham, started his swim in Cornwall at the end of June.

He regularly front-crawls his way through blooms of jellyfish on his journey.