Australian pole vaulter Kurtis Marschall defeated world-record holder Armand "Mondo" Duplantis at the Stockholm Diamond League on Sunday, June 7, 2026 [1, 2, 5].

The victory marks a rare collapse for Duplantis, who has dominated the sport for several years. This result disrupts one of the most significant winning streaks in athletics history.

Marschall secured the win after Duplantis failed to clear six meters [4]. Marschall cleared a higher height to claim the top spot in the men’s pole-vault competition [2].

This defeat is the first for Duplantis in more than 1,000 days [1]. Other reports describe the gap as almost three years [2]. The world-record holder had not lost a competition in 40 meets since 2023 [3].

The event took place in Stockholm, Sweden, as part of the Diamond League circuit [1, 2]. The competition saw Marschall capitalize on the rare struggle of the favorite to secure a major international victory.

“Kurtis Marschall defeated world-record holder Armand "Mondo" Duplantis”

The defeat of Armand Duplantis ends a period of unprecedented dominance in the pole vault. By handing Duplantis his first loss in 40 meets, Marschall has demonstrated that the world-record holder is beatable, potentially shifting the psychological dynamic of the sport heading into future major championships.