The 2021 Bretagne Classic Ouest–France is a road cycling one-day race that took place on 29 August 2021 in the region of Brittany in northwestern France.

[2][3] The 251-kilometre (156 mi) race started and ended in Plouay, featuring a hilly and undulating course with 4,036 metres (13,241 ft) of elevation gain.

[4] The first half of the race saw riders head west out of Ploauy and ride through Scaër on the way to Douarnenez along the Atlantic coast.

Once there, the course turned back east towards Ploauy and once again passed through Scaër to form a rough figure eight.

On the way back to Ploauy after passing through Scaër for the second time, riders ascended Saoutalarin, the race's only gravel climb.