Thanks to Richard Augood who sent me this interesting little article from BBC News. Cycle polo was a demonstration sport at the 1908 London Olympics with Ireland winning the gold, beating Germany.

Many haven’t heard of bike polo but a surge in numbers could soon change that.
Bike polo players in Birmingham gather for their weekly game and have attracted the attention of many newcomers.
Major bike polo competitions are held across Europe and attracts large crowds.
An Olympic sport at the beginning of the last century, bike polo players back then competed on grass, rather than on today’s clay courts.
What do today’s players think of the sport?

Follow this link to watch a short video!

Read more on Wikipedia.