In addition to the former participants of the World Breeding Dressage Championships for Young Horses, 4-year-old talents will also make their appearance in the arena. The Sport Pro Horses Prize is open to all 4-year-old dressage horses. Thursday, August 1st, the qualification is ridden in the main arena. The best ten combinations are invited back to the final in the main arena on Saturday August 3rd, while the other participants may come back for the small final in Arena 2 on Friday August 2nd.
You can sign up for the 4-year-old class via the National Federation. The dressage test for this class can be found here.