Julie Derron


Julie Derron is a Swiss triathlete. She was a silver medalist at the 2024 Summer Olympics.
She won the 2021 European Triathlon Championships. She was a bronze medalist in the mixed relay at the 2022 European Triathlon Championships, and a silver medalist in 2024 and a bronze medalist in 2023 at the World Triathlon Mixed Relay Championships.

Career

She won the Alpe d'Huez Triathlon in 2017. She won the Europe Triathlon Sprint Championships in 2019 in Kazan.
She won the 2021 European Triathlon Championships in Valencia, Spain. She won a bronze medal in the mixed relay at the 2022 European Triathlon Championships in Munich, Germany.
In 2023, she was a bronze medalist at the World Triathlon Mixed Relay Championships in the mixed relay in Hamburg.
In 2024, she won victory at the Chengdu World Cup. In June 2024, she improved the course record at the Challenge Walchsee-Kaiserwinkl. In July 2024, she was a silver medalist at the World Triathlon Mixed Relay Championships.
Competing at the 2024 Summer Olympics in Paris, she won the silver medal in the women's triathlon on 31 July 2024. Derron was one of the flag-bearers for Switzerland at the closing ceremony alongside swimmer Roman Mityukov.
In July 2025, she won the Ironman Vitoria-Gasteiz in the Basque Country in only her second full-distance event, and her first since 2022.

Personal life

From Zurich, her grandfather was a Swiss champion swimmer. Her sisters Nina and Michelle also compete in triathlon.