People around the world attempt to break records
17 November 2011 Last updated at 20:12 GMT
It is Guinness World Records Day and hundreds of people around the world have been attempting to break records, ranging from the weird to the downright dangerous.
One man in the German city of Hamburg ran a record-breaking 120 metres with his protective clothing on fire, picking up a prize for the longest distance full-body burn without oxygen.
Lucy Hockings takes a look at a few of the records broken.