Only eight of 21 riders made it around the 5* cross-country course, while Sharon White and Jaguars Duende clinch top spot in the CCI3*-L.
MARS Maryland 5 Star
World-class competitors (including a number of Canadians) will vie for a piece of the $325,000 in prize money on offer.
The show jumping was very influential, with only Austin O’Connor aboard Colorado Blue going clear – his first win at the level.
Americans Woods Baughman and Will Coleman lead the way after the first day of dressage; a number of Canadians are contesting both divisions.