Show jumping, driving and indoor cross-country will be in this year’s program, including the Rolex IJRC Top 10 Final and Rolex Grand Prix.
Eventing
Elisabeth Halliday-Sharp and Fernhill By Night win the 4*, while Canadians Dana Cooke, Karl Slezak and Waylon Roberts have top-10 CCI results in Aiken, SC.
Young eventer Zara Buren, 14, of Oakville died when her horse got stuck in a bog while out riding in the Flamborough area.
Rider wins despite a black eye suffered in a fall earlier in the day; Canadian Holly Jacks-Smither's More Inspiration top-placing Thoroughbred in 5th.
Canadian Mike Winter places 18th with El Mundo, while Izzy Taylor, Oliver Townend and Yasmin Ingham top the three 4* divisions.
Khan, who made his country proud by becoming the first equestrian to qualify for the Olympics, has lost his event horse to an aortic aneurysm.
Day 1 at FEI Barefoot Retreats Burnham Market International sees a truly international field tackling the courses in CCI4* long and short competition.
A push by the website Eventing Nation to change its name has led to Plantation Fields Equestrian Events losing the lease of the property.
"He’s keeping an old man happy!" said the Olympian and former eventing world number one about the exciting youngster Centurian Bay.
Matt Flynn and Wizzerd win the Advanced A division at Tryon, while the Advanced B division goes to Doug Payne and Vandiver.