Duplantis wrapped up a sensational victory at the penultimate Diamond League with a winning vault of 6.25 metres.Karalis cleared 6.20m, as both athletes failed in their efforts at what would have been a new world record at 6.32m.Duplantis has dominated the pole vault since 2019, winning two Olympic golds and three world titles. Also a four-time world indoor champion, he recently picked up a fourth European crown.Besides the burgeoning medal cabinet, the 26-year-old has also set the world record 15 times.Sometimes those records are set with Duplantis vaulting alone, long after wrapping up yet another victory.But there was a real element of competition at Zurich's packed Letzigrund Stadium, with Karalis pushing the US-born Swede to the max."Manolo jumped really out of this world," Duplantis said of Karalis."It was amazing when he jumped 6.20, so I just had to respond."The best way was to jump 6.25 and come away with a win -- this is the highest level of competition that there's ever been."Karalis's vault left him joint 15th in the all-time list dominated by Duplantis, who has 18 of the top 20, and a further 22 in the top 56 (down to 6.10m)."It's not every day two people go for the world record, so that was nuts," said Karalis, whose 6.20m clearance bettered by 3cm his personal best."I did the PR, I was able to drive for the world record, so I am glad that I am here. I really enjoyed myself. It was a great competition. Everyone had a blast there."Fireworks to comeDuplantis predicted that there were going to be "a lot of fireworks like they've been in the past few weeks".