The Retraining of Racehorses National Championships will return in 2021 with The Jockey Club as a new three-year sponsor. The Jockey Club ROR National Championships will be held from Aug. 26 to 29 at Aintree Equestrian Centre featuring classes for showing, dressage and jumping, with The Jockey Club Supreme Champion to be crowned on the Saturday evening. Entries for the Championships are open and will remain so until Aug. 1. The last staging of the event in 2019 drew a total of 940 entries from over 326 individual retrained racehorses....