The New Zealand rider and Jarillo dashed French hopes, while British rider Tom Jackson leapt 29 places up the leaderboard during the weekend.
Canada's Jessica Phoenix and Freedom GS finish 21st in elite company at the UBS-Cup CCIO4* at CHIO Aachen.
'Moving Day' at this important CCI5* saw much shuffling of the leaderboard; Canada's Jessica Phoenix and Wabbit move from 62nd to 33rd.
The experienced squad led from start to finish at the Millstreet event in Ireland; Australia and China secure Olympic eventing qualification.
Price guides debutant Coup De Coeur Dudevin to the win; Canadians Jessica Phoenix and Kyle Carter finish top 10 in the CCI3*-L.
Power couple Tim and Jonelle Price of New Zealand have clinched the top two spots on the FEI Eventing World Athlete Rankings.
Canada's Mike Winter finishes 25th in the 5* with El Mundo; Kelly Houtappels-Bruder competes in CAIO4* with Flip.
"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.
Jung and Chipmunk nudge Townend out of first place; Great Britain remains in the lead and Germany sits second ahead of New Zealand.