Now in its 6th year running, the BWR Wafer course could be the most underrated gravel event in the country. In this review, we pulled together all BWR Wafer routes in one place for your viewing pleasure. Routes include the 2015 BWR Wafer, 2016 BWR Wafer, 2017 BWR Wafer, 2018 BWR Wafer and 2019 BWR Wafer.