Sean Conway (born 1981) is a British-Zimbabwean ultra endurance athlete, author of several books and motivational speaker.

[2] He was the first person to swim the length of Britain,[3] is the only person to have completed a length of Britain triathlon,[4] has completed the world's longest triathlon of 4200 miles[5] and has the world record for the fastest self supported cycle across Europe.

[12][13][better source needed] Starting on 30 June 2013, Conway set out to swim from Land's End in the south-west of Great Britain, to John o' Groats in the north, travelling up the west coast of Great Britain and via the east coast of Ireland.

[9] Conway became the first person to complete an "ultimate triathlon" when he finished running from John o' Groats to Land's End, having already cycled and swum the entire way before.

Starting in Cabo de Roca on the west coast of Portugal, he cycled nearly 4,000 miles, finishing at the Russian town of Ufa in 24 days, 18 hours and 39 minutes.

[26] He continued, after three weeks of recovery, to raise money for Solar Aid, returning to London 155 days later.

[28] His journey was made into a documentary for Discovery Channel called Sean Conway Running Britain.

He received a personal letter from Prince William about his efforts in youth sport.