seat racing
n.— «In rowing, boats qualify for their country based on performance at events like the world championships and other Olympic qualifiers, then the athletes compete for seats in the boats. The process, known as “seat racing,” involves months of mixing and matching in which teammates row against each other in timed qualifying races.» —“Edmonton rower goes to Olympics” by John MacKinnon Edmonton Journal (Alberta, Canada) July 4, 2008. (source: Double-Tongued Dictionary)