Snorkelmattcardygetty

A competitor takes part in the third annual World Bog Snorkelling Triathlon on July 6 2008 in Llanwrtyd Wells, Wales. The event, were competitors are required to complete a fell run of approximately 12 miles, a bog snorkel of approximately 120 yards through the bog trench and a 19 mile mountain bike ride, is seen as a preview to the annual Bog Snorkelling World Championships which takes place this year on August 25. By Matt Cardy/Getty Images.

We want to hear what you think about this article. Submit a letter to the editor or write to letters@theatlantic.com.