The British rider is in the running to become only the third rider ever to capture the series at Mars Badminton Horse Trials next week.
Oliver Townend
A heartbreaking rail for fellow Brit Tom McEwen in stadium jumping saw him relegated to 2nd; Will Coleman and Diablo take CCI4*-S.
European champion Rosalind Canter celebrated her second 5* win this year at the French fixture which saw cross-country day shake up the standings.
Oliver Townend and Ballaghmor Class win the 2023 edition; Canada's Phoenix and Wabbit place 11th of 58 starters.
"I was just hoping to finish in the top five today" said the US rider after jumping from 3rd to 1st with a clear stadium jumping round.
Top Canadian is Jessica Phoenix with Bogue Sound in 18th place; event wraps up with stadium jumping on Sunday.
Top Canadians in the Maryland 5* ahead of XC are Jessica Phoenix/Bogue Sound and Holly Jacks-Smither/Candy King, sitting 11th and 12th.
Top Canadian in the CCI5*-L is Jessica Phoenix with Bogue Sound; Kurt Martin (USA) leads the CCI3*-L aboard D.A. Lifetime.
Germany’s Krajewski enters the equestrian history books as the very first female athlete to take the Individual Olympic Eventing title.
Germans launch an unsuccessful protest regarding Michael Jung's 11-point frangible penalty as the team drops from second to sixth.