Formula 1 has a packed calendar that takes in 24 tracks across 21 countries in five continents, but it takes more than a nice ribbon of tarmac to join the championship.<br>F1 and the FIA have strict guidelines over what circuits can host a grand prix and they must be classified as Grade 1 to qualify. This is the top level of the FIA's seven-tiered system that covers everything from drag strips ...<a class='more' href='https://www.motorsport.com/f1/news/fia-grade-1-what-it-means-and-why-its-the-minimum-to-host-an-f1-race/10772878/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>