RMRHA is a thriving Affiliate of the National Reining Horse Association (NRHA). For decades, RMRHA has brought reining to the Colorado Rocky Mountains by producing two major events – The Columbine Classic and Summer Slide. These events draw thousands of participants from throughout the nation, garnering over a million webpage hits and webcast views. As a non-profit corporation, RMRHA depends largely on the generosity of sponsors like you! Your sponsorship will not only help support RMRHA’s mission of promoting the sport of reining but will provide you with unrivaled value for your marketing dollar.