One day a guy called Jonas saw 2 mice running next to each other and 
it looked like they were racing. So he thought – “I want to have a mouse race!”
He started planning the rules. He called one of his friends and asked for help making the rules and he accepted it as a joke. Two days later they finished the rules:
- Mouse has to be nice and not angry
- Mouse can’t attack other competitors
- Don’t touch or do something to the competitor’s mouse or you
and your mouse is going to be disqualified
- If you lose don’t be mad and have fun
2 weeks later they organized the event. A lot of people came to watch but not many to compete. Later people started to come more and more and just like that it became a beautiful 
tradition!
