Overview

• Her A and B samples from a routine March 28 test in Compiègne both returned positive for cocaine, triggering an immediate French ban and confirming the result.
• At a July hearing, Vogt admitted she had been negligent by engaging in unprotected sex with a partner who confirmed recent cocaine use and claimed transfer through intimate contact.
• The French Equestrian Federation applied her suspension retroactively from May 25, 2025, and ordered her to undergo additional doping controls going forward.
• She was allowed to keep competing in Germany until the B sample confirmation, highlighting divergent national procedures on provisional athlete suspensions.
• The case has revived scrutiny of contamination defenses in sports, recalling similar claims by tennis pro Richard Gasquet and fencer Ysaora Thibus.