How is 20 minute power calculated in a race

[Adam_O_Loughlin_SAS (Adam)]

Idle curiosity and I’m sure this has been asked loads before…

How does Zwift calculate 20-minute power in a race? Is it the first 20 minutes or a riders best 20 minutes of a given event?

Thanks, Adam.

[Gerrie_Delport_ODZ (Gerrie)]

@Adam_O_Loughlin_SAS

best 20 minutes

Best 20 min during the race