She became the highest-ranked woman competitor to date in the 24 Hours of Le Mans when she placed fourth overall in the 1932 edition (and winner 2L class.
), for a total of 4 entries: 1930 (7th with Marguerite Mareuse, Bugatti Type 40 1.5L I4), 1931 (disqualified confusion of signals, even co-pilot and the vehicle), 1932 (cf.
place with Louis Charavel (alias Jean Sabipa) Alfa Romeo 6C 1750 1.7L I6 compressor, personal property of Mrs. Siko), and 1933 (by accident-Abd.
In 1937, she participated in speed trials for ten days (from 19 to 29 May) on the ring circuit of Montlhery on behalf Yacco motor oils, as "road captain" of four women, including Helle Nice Simone of Forest and Claire Descollas, who then defeated 25 world records (10 endurance and 15 in Group C International, some of which still stand to this day) in an atmosphere that was sometimes difficult between them.
[2] They went through more than 30,000 km at an average speed of 140 km / h. Their vehicle was a Ford "Matford" Mathis 3600 cm3 V8 engine nicknamed "Claire" by the team's mechanics (perhaps by Miss Descollas itself in the early sessions, because it was rugged with 1 day).