The La Bañeza motorcycle races take place each August during the feast of the Annunciation of the Virgin Mary in Spain. They began in 1954 as a demonstration.
The circuit covers a large part of the town, but the paddock literally locks in the residents.
There are four bike classes at La Bañeza. Two are for modern bikes - pre-GP 125s and current GP 125s.
References
La Bañeza motorcycle race Wikipedia(Text) CC BY-SA