
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.

The fourth European away trip of the season in the UEFA Champions League 2025/26 takes the Werkself to the Greek capital. Head coach Kasper Hjulmand's team are away to Greek double winners Olympiacos on matchday seven in the UCL league phase. The match at the Karaiskakis Stadium is on Tuesday, 20 January (kick-off: 21:00 CET). We'll be taking you on a trip to Athens and reporting on the Werkself close-up...
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A great honour for Bayer 04 Women's German international: as part of the 2025 Sports Awards, Carlotta Wamser entered her name into the City of Leverkusen's Golden Book. On Tuesday, she looked back on a special year in a talk in the Morsbroich Castle hall of mirrors.
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Bayer 04 Leverkusen have agreed a loan deal with Bundesliga club Borussia Mönchengladbach for Argentinian striker Alejo Sarco. The 20-year-old joins Mönchengladbach with immediate effect for the rest of the season.
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The Werkself are away to Greek double winners Olympiacos on matchday 7 in the league phase of the 2025/26 UEFA Champions League campaign. Tonight, 20 January (kick-off: 22:00 local time/21:00 CET), Bayer 04 will not only face a familiar face in Panagiotis Retsos, but also an experienced and successful team in their Greek top-flight opponents. The Olympiacos midfield and forward line in particular are peppered with seasoned veterans from top European clubs - but even they will first have to find solutions against the Werkself defence that has recently performed with aplomb in the UCL. The matchday news.
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The Werkself are away to Greek double winners Olympiacos on matchday 7 of the 2025/26 UEFA Champions League league phase. Ahead of the clash on Tuesday, 20 January (kick-off: 21:00 CET), head coach Kasper Hjulmand spoke about anticipation for the game. Werkself player Ibrahim Maza also gave an insight into dealing with the recent setbacks.
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