The Brittany Classic Ouest-France (formerly Grand Prix Ouest-France or Grand Prix de Plouay Ouest-France) is a French one-day cycling race. It is usually held at the end of August as part of the Fêtes de Plouay.
On September 03, 2023, the Brittany Classic – Ouest-France was held for the 87th time on the circuit in Plouay.
The winner on the 258 kilometer long course was MADOUAS Valentin (France Groupama – FDJ). Second place went to Mathieu BURGAUDEAU (TotalEnergies) ahead of Felix GROßSCHARTNER (UAE Team Emirates).