There was a race just on in Taunton, England, and the horse jumped the last and was 4 lenghts behind. Some guy on Betfair.com put £10 on a horse called Iroquois Warrior - the horse was at 999-1 at the time. Ruby Walsh was aboard Iroquois Warrior and he won, amazingly. So some guy won £10,000, possibly by acident!

Here is the race, http://www.attheraces.com/card.asp?raceid=...amp;nav=results

I'm trying to find a video atm, so if i do i'll update this topic.