Pavel Maslák is a Czech sprinter who specialises in the 200 metres and 400 metres. He is the only athlete in history who has managed to win the 400 m title at the World Indoor Championships at three consecutive championships. Maslák is the first Czech to have run 400 metres under 45 seconds outdoor and under 46 seconds indoor.

Havířov is a city in Karviná District in the Moravian-Silesian Region of the Czech Republic. It has about 70,000 inhabitants, making it the second-largest city in the region. Havířov was founded in 1955 and is the youngest Czech city. It is an industrial city, historically associated with hard coal mining in the region.