Claire Koestner is 19 years old (Feb 10, 2006), 168 cm tall and plays for Metz Handball.

Claire Koestner statistics are available during live games and after every game played.

Sofascore covers in detail all handball stats such as:

• Goals, assists, penalties and steals
• Overview stats of all seasons

Claire Koestner previous game for France U19 was France U19 - Montenegro U19 in U19 European Championship, Women and the game ended with the result 30 - 28.