Of all the 1200k events offered in in the US in 2022, the Coulee Challenge is closest to what riders will experience in France in 2023. The overall amount of climbing is about the same as PBP. The Coulee ride has more overall climbs, some of them steep, but a significant part of the course is rolling hills on quiet roads, very similar to Western France. The road surface quality of the Coulee Challenge is very good to excellent, similar to PBP roads.
Riders that complete the Coulee Challenge in 2022 will be well prepared for PBP in 2023. 67% of Coulee Challenge participants in 2018 went on to ride PBP in 2019