By entering regattas which feature many races, each with boats from participating teams. Some only have 2 or 3 teams and are done in a couple hours, others are large all-day events with 20 teams or more. An individual rower may be in 2 or 3 races on a given day. Rowers race for medals (or sometimes shirts) in each event, and championship regattas have team trophies to award.