To win a championship in a sport in BitLife, players need to first be pro athletes and members of a pro league team of whatever sport they wish to make a career out of.
The team players join also needs to have a high strength level, as high-strength teams are more likely to win championship games and awards.
When all of these requirements are met, players will be able to win championships randomly by aging up as there is no way to participate in championships in Bitlife manually.
Championships and also Trash talking and winning MVP awards in Bitlife are also all luck-based, but you can increase the chances of winning a championship by picking a team with a high strength level.
To do this, click careers, special careers, and then the sports section and find the sport you want to join a team in. Under this option, you will be able to attempt to join a team, and if you want to win championships, choose one that has a decent record and strong team strength.
When you join a team, we highly recommend practicing your skills and increasing your fitness. Doing so will ensure you are the best athlete you possibly can be in sports games and will help tip the scales of RNG in your favor.
This in turn will help you to raise your greatness bar, which will, in turn, help you win championships. Also, staying in shape and being healthy with both the train under the job tab and mind and body activities will go a long way to keeping you in shape.
Also if you get injuries, it can get you out of games, so it's recommended to stay healthy and use the train option to increase your total fitness.
Going to the doctor whenever you get an injury and having surgery can help as well. This combined with a strong team strength, you will gain a high chance of winning championships in Bitlife.
Check out some of our other awesome Bitlife Guides!