A "champion title" is a term given to the person or team who wins a competition or contest. It means they are considered the best or top in their field or category. Full definition
The finals will take place in 2018 where the players who have achieved the highest points in the ranking will be qualified to fight for the world champion title. (gamasutra.com)
She is not easily distracted - very focused, and has an outstanding champion titled pedigree. (arkansassilverlabs.com)
Elinor Barker stormed to the points race champion title in a race dominated by the home nations, with Katie Archibald and Neah Evans riding to silver and bronze respectively for Scotland - Wales's first gold medal on the track since 1990. (britishcycling.org.uk)