“Karólína was an exhilarating addition straightaway last season and she strengthened our attacking game. She also fitted in perfectly with the team on a personal level and she made it clear to us she really feels at home here in Leverkusen," said Achim Feifel, the Bayer 04 Women's team sporting director: "Therefore, we are very happy we have agreed a new loan deal with FC Bayern. Everybody involved will continue to benefit from it."
Vilhjálmsdóttir joined Leverkusen on loan from the Munich side last summer. In 22 appearances in the Google Pixel Women's Bundesliga, the 22-year-old scored five goals and provided seven assists putting her level with striker Nikola Karczewska as the best scorer and provider at Bayer 04. She scored once in three DFB Pokal matches. The midfielder has scored nine goals in 39 international appearances for Iceland.
"For me, everything was right here with the girls and the staff from the start. I was able to assume an important role in the team immediately, I have developed as a player and learned to take on more responsibility," said Vilhjálmsdóttir: "It was a heartfelt wish of mine to stay here for another year. I had a very good conversation with our new coach and I'm firmly convinced we will have a strong squad for next season."
Strengthening the Bayer 04 Leverkusen youth teams: Konstantinos Kotsifakis will join the Werkself from Bundesliga 2 club Hertha Berlin for the 2026/27 season, where he will be a permanent member of the Leverkusen U19 coaching set-up. The German-Greek will also take on an operational role in coaching the Bayer 04 Future Team. The 29-year-old was most recently head coach of the U17s at Hertha Berlin.
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Another award for the Bayer 04 head groundsman and staff: After coming top in the 2021/22, 2022/23 and 2024/25 seasons, the BayArena pitch came second in the Bundesliga Pitch of the Year ranking for the 2025/26 season. VfL Wolfsburg secured the top spot this year, with TSG Hoffenheim in third place.
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Opening opponents, derby weekends, the opponents in the season finale: This information and more will be available to Bayer 04 fans on Thursday, 2 July, when the 2026/27 Bundesliga fixture list is published.
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The next footballing highlight is just around the corner: the 2026 FIFA World Cup, the 23rd edition of the tournament, will be held in the USA, Canada and Mexico and feature 48 teams for the first time. Bayer04.de has all the latest on the Werkself players called up to represent their countries.
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While the majority of the Bayer 04 Women are enjoying their summer break, nine Werkself players will be on duty for their national teams in the coming days. Three of them are competing for a place at the World Cup, while six are involved in two friendlies with the Germany U23 team.
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