Lexington, Ky.—April 29—Tamie Smith has been partnered with Mai Baum for eight years, and they’ve been all over the world together. With a top-10 finish at Badminton Horse Trials (England) last spring and a top-10 finish and team silver medal with the U.S. team at the FEI World Eventing Championship...

Lexington, Ky.—April 27—While Tom McEwen has enjoyed soaking up the local Kentucky bourbon and racehorse culture this week, the British rider came to the U.S. for a much more important reason—taking a shot at the top spot at the Land Rover Kentucky Three-Day Event. He’s started his weekend off right...