Corridor is pleased to be a 2019 Sponsor for the Grand Rapids Triathlon. Coming this June 9, 2019 in Ada, Michigan, the Grand Rapids Triathlon is the largest independent triathlon and proud host of five USAT National Championships over the course of our nine-year history. The event brings in some of the best athletes from across the country, and GRT has been named one of the Top 5 Best Triathlons for Beginners in the country according to Triathlon Business International. This triathlon event is a chance for athletes of all skill levels to compete on a scenic riverside course, perfect for the novice through the seasoned triathlete. Offering Sprint, Olympic, and Half distance Triathlons, Aquabike, and Relay events, this USA Triathlon sanctioned event promises heart-pounding excitement from start to the finish.