Bringing horse sampling in line with WADA's human athlete protocols has hit a number of logistical challenges.
FEI
The American won his third major class of the show; two Canadians in the jump-off, with Tiffany Foster finishing second riding Electrique.
Canada just missed the cut, finishing 11th behind Italy who moved ahead of Brazil; the series will feature four qualifying legs and a Final.
After this third qualifier in France, Gregory Wathelet (BEL) leads the World Cup Western European League standings.
The German and the 14-year-old bay gelding won the FEI Dressage World Cup Grand Prix - her sixth victory at this French venue.
Driving’s biggest names will showcase their skills and speed in the new series taking place at European shows between November and February.
The pair won the Longines FEI Jumping World Cup North American League Washington with one of only two double-clears in the class.
Promising young equine stars competed at Le Lion d’Angers, France; Canada's Rebecca Howard piloted one in the 6YO division.
The Danish dressage star and her extraordinary mare scored an impressive 88.965% to take the class in Herning.
The FEI dressage committee will 'encourage' organisers to run special classes up to CDI3* for athletes who wish to use a snaffle instead of a double bridle.