Building on last year's success, the East and West venues and identical judging panels provide a showcase for top Canadian talent.
A snapshot of how riders and horses are faring across the globe, including Canadian athletes, as the season is well underway.
The British rider and her marvellous horse brought down the house, scoring a personal best 88.330% in the Freestyle to nail down the title.
The British rider and her Olympic partner topped the Grand Prix with a score of 76.761%; all 16 entries qualify for Saturday's Freestyle.
Edged for the win by a whisker in the CDI3* Grand Prix Freestyle, Canadian Camile Carier Bergeron and Finnländerin were a close second.
Tinne Vilhelmson Silfvén (SWE) took the Lövsta Future Challenge Developing Grand Prix Horse Final aboard So Perfect.
The Canadian rider also won the CDI1* Prix St. Georges on MSJ Valentina Roma; competition continues through Saturday.
The Development Program recognizes the top-performing four-, five-, six-, and seven-year-old division young dressage horses across Canada.
Outstanding performance horses, stallions, mares and their breeders were recognized at the association's recent AGM.
Key discussions at the Pan American Equestrian Confederation included education, coaching, rules, para-equestrian, horse well-being and clean sport.