
The 28-year-old gained his first experience as a youth coach during his time on a Sports Studies course in Barcelona and that included being at the Spanish third division club Unió Esportiva Cornellà. After completing postgraduate studies (Education and Sports Management) Sergi Runge moved on to one of the top clubs in Costa Rica: He was assistant to the first team coach at Liga Deportiva Alajuelense and also head coach of the U17 side.
After a year in Central America, he followed the call to La Masia and started at Barcelona in the summer of 2020. Runge, who speaks fluent German and English in addition to Spanish, this week started working alongside Thomas Zdebel on the coaching staff of the Leverkusen U17s.

Four Bayer 04 players are in action at the 35th edition of the Africa Cup of Nations being played in Morocco from 21 December to 18 January 2026: Eliesse Ben Seghir for the hosts, Edmond Tapsoba with Burkina Faso, Ibrahim Maza for Algeria and Christian Kofane with Cameroon. Updates on the AFCON matches involving Werkself players...
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Bayer 04 Leverkusen will have to manage without goalkeeper Mark Flekken and forward Nathan Tella for the time being.
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After a week in the Algarve, the Bayer 04 Women returned home on Saturday afternoon. The Werkself had six training sessions, two friendlies and a lot of time together as a team. Roberto Pätzold's team will be back in action in the Google Pixel Women's Bundesliga next Friday for the start of matchday 15.
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"We didn’t make the right decision at the right moments," said captain Robert Andrich after the 1-0 defeat away to TSG Hoffenheim, where Bayer 04 endeavoured to control the game but failed to score. The Werkself also had two enforced substitutions due to injuries. Nevertheless, the coach, captain and debutant Janis Blaswich are positive about the coming weeks. The Werkself review.
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Werkself TV shows the highlights of Bayer 04's 0-1 loss at TSG Hoffenheim on Matchday 18 of the 2025/26 Bundesliga season...
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