A British couple will complete their mammoth 15-month running journey today which has seen them travel the length of South America.
Katharine and David Lowrie started their trip at the beginning of the London Olympics on July 28 last year and have jogged more than 6,200 miles to raise money and awareness for wildlife and conservation issues.
The couple's gruelling challenge started at the southern tip of Chile and they will reach the Carribean Sea on Venezuela's northern coast today after passing through Argentina, Bolivia and Brazil along the way.
The husband and wife team, who have raised £6,186 so far, have worn out 10 pairs of shoes each during the journey and taken turns in lugging a trolley, weighing up to 100kg, behind them.
Mr Lowrie said: "We decided to show how we all absolutely depend on the natural world and how amazing it is. That with small steps we can overcome seemingly insurmountable hurdles, that time is running out, but it's not too late protect it."
Their struggle has drawn support from several celebrities and notable people, including the Duke of Cambridge, who said: "I am hugely impressed that you are undertaking such a gruelling and challenging 5,000-mile run for such a vitally important cause."