Justine Mettraux (born 4 October 1986) is a Swiss professional sailor. She is an offshore sailor having competed extensively in the Figaro class before progressing to the IMOCA 60. In the 2024âÂÂ2025 Vendée Globe race she set the record for the fastest single-handed, non-stop, monohull circumnavigation by a woman, with a time of 76 days, 1 hour and 36 minutes.