probably no where but here is the feature request page for the velodrome.
Velodrome would be great but they also have to bring with it the different race formats. Elimination, points etc… Points races worked well in their PL knockout trial events (not so much the elimination part as it was very manual) but at least they are thinking about different formats so hopefully that means it’s something zwift are considering to bring in game to zwift as a full feature…before the competition does 