17 April 2011 Last updated at 05:37
The third Office Chair Racing Championships have taken place in the German resort town of Bad Koenig.
Onlookers cheered as competitors sped down the hill, the ramps and jumps proving too much for some.
Several people travelled from Luxembourg, Cologne or Stuttgart to take part in the competition.
Siobhan Quinn reports.
Source :
http://www.bbc.co.uk/news/world-europe-13107599 
