On 24 June 2017, COS Racing rider Jon Harp secured 1st place in the United States Endurance Cycling Federation (USECF) Gravel Grinder National Championship at Clinton Lake State Park, Lawrence, Kansas. Jon dominated the Men’s Masters 50-54 category finishing over 13 minutes ahead of the nearest competitor and 4th overall against a field professional and elite gravel riders. Jon spent much of the 113-mile race in a five-person chase group pursuing a two-man breakaway. Jon took second in the sprint for the line from the chase group resulting in an overall 4th place finish. As a result, Jon earned the USECF National Championship jersey for 2017.