Here's how to watch the 2022 MAIN Championship broadcast on FloMarching. The 2022 MAIN Championship broadcast starts on Apr 22, 2022 and runs until Apr 24, 2022. Stream or cast from your desktop, mobile or TV. Now available on Roku, Fire TV, Chromecast and Apple TV. Don’t forget to download the FloSports app on iOS or Android! If you can’t watch live, catch up with the replays! Video footage from the event will be archived and stored in a video library for FloMarching subscribers to watch for the duration of their subscription.