Lexington, Ky.—April 29—Hot Bobo has always been a a little tricky and sensitive on cross-country, so when Karl Slezak decided to bring her to the Cosequin Lexington CCI4*-S, he knew it wouldn’t just be Derek di Grazia’s course that would be a challenge—it would also be the crowds of people at the K...

Lexington, Ky.—April 27—Liz Halliday-Sharp has barely had Cooley Nutcracker in her barn for a year, but she and the 9-year-old Irish Sport Horse gelding (Tolant R x Ballyshan Cleopatra) have forged a formidable partnership. Formerly campaigned by French rider Astier Nicolas to the CCI3*-L level, Ha...