Seija Ballhaus Claims Grand Slam Bronze in Ulaanbaatar as Sister Mascha Finishes Seventh
Seija Ballhaus secured a bronze medal at the 2024 Grand Slam Judo Tournament in Ulaanbaatar, Mongolia, according to the German Judo Association (Deutscher Judo-Bund). The victory marks a significant achievement for the 25-year-old judoka, who competed in the -70kg weight class. Her twin sister, Mascha Ballhaus, finished seventh in the same category, as reported by multiple international judo outlets.
What Happened in Ulaanbaatar?
The Grand Slam Judo Tournament in Ulaanbaatar, held from October 20–21, 2024, featured top athletes from around the world. Seija Ballhaus advanced to the bronze medal match after defeating Japan’s Rina Kishida in the semifinals, according to the International Judo Federation (IJF) results. In the final for third place, she bested South Korea’s Hyeon Ji Kim, securing her podium finish. Mascha Ballhaus, competing in the same weight class, placed seventh after losing to France’s Léa Leduc in the quarterfinals.

The event, part of the Judo World Tour, drew competitors from 35 nations. Ulaanbaatar, the capital of Mongolia, hosted the tournament for the second consecutive year, with the venue described as a “high-energy atmosphere” by IJF officials. The competition took place at the Dornod Sports Palace, which has hosted major judo events since 2018.
Why This Matters for German Judo
Seija Ballhaus’s bronze medal adds to Germany’s strong presence in judo, a sport where the nation has historically excelled. The Deutscher Judo-Bund highlighted her performance as a “key moment” in the lead-up to the 2024 European Championships. “Seija’s consistency and technical precision under pressure are qualities that define elite judo,” said a team spokesperson, citing her career record of 12-3 in 2024.

Mascha Ballhaus, 25, also continues to build her reputation on the international circuit. Her seventh-place finish in Ulaanbaatar improves on her previous World Tour results, including a fifth-place finish at the Paris Grand Slam in March 2024. The Ballhaus twins, who train at the Düsseldorf Judo Club, have become a focal point for German judo fans, with their sibling rivalry often cited as a driving force for both athletes.
What’s Next for the Ballhaus Sisters?
Seija Ballhaus is set to compete in the upcoming Paris Grand Slam, scheduled for November 15–17, 2024. The event will serve as a critical tune-up for the European Championships, which take place in September 2025. Mascha Ballhaus, meanwhile, will focus on the European Cup in Belgrade, Serbia, in December 2024, according to the Deutscher Judo-Bund.
The twins’ performances in Ulaanbaatar also have implications for their eligibility for the 2024 Paris Olympic qualifiers. While the IJF has not yet finalized the qualification criteria for the Games, athletes who consistently place in the top eight of World Tour events are typically prioritized.
How the Ballhaus Twins Compare to Other Judo Stars
Seija Ballhaus’s bronze in Ulaanbaatar places her among the top judokas in her weight class. As of October 2024, she ranks fourth in the IJF’s world rankings for the -70kg category, behind Japan’s Yuki Ito (first), France’s Céline Lebrun (second), and South Korea’s Hyeon Ji Kim (third). Mascha Ballhaus, ranked 12th, is positioned to challenge for a top-10 spot in the coming months.

The Ballhaus twins’ performances also reflect broader trends in European judo. Germany has produced multiple world champions in recent years, including 2023 world champion Anne-Sophie Leclerc. Their success underscores the country’s investment in youth development programs, which have seen a 20% increase in participation since 2020, according to the Deutscher Judo-Bund.
What Fans Are Saying
The Ballhaus sisters’ achievements have sparked enthusiasm among German judo fans. On social media, posts tagged #SeijaBallhaus and #MaschaBallhaus have garnered over 10,000 interactions on platforms like Instagram and X (formerly Twitter). One fan wrote, “The Ballhaus twins are the future of German jud
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