Born on 23 May 1997 in Livry-Gargan, in Seine-Saint-Denis, Cassandre Beaugrand is a French triathlete. She is the Olympic champion at Paris 2024, then world champion in 2024 and 2026. The daughter of an athletics coach, she started out on the track at 9 years old and runs fast enough to hold French running records 🏃 .
In the Beaugrand household, the stopwatch is part of the furniture ⏱️. Her mother ran middle distance and her father Ludovic coached at the Livry-Gargan Athlétisme club. Cassandre racked up laps of the track from 2006. Sixteen years later, that same track would bear her name 🏟️. Rather than choosing between the pool and the stadium, she bet on the sport that combines both: triathlon. Junior European champion in 2016, she headed to the Rio Games that same year, at 19, and finished in 30th place. The mixed relay quickly became her playground: with the Bleus, she has collected world titles since 2018.
A fractured foot in late 2019 disrupted her Olympic preparation. In the summer of 2021, she dropped out of the individual event at the Tokyo Games. A few days later, the Île-de-France native bounced back in the mixed relay and won bronze, the first Olympic medal in French triathlon 🥉. On 31 July 2024, she returned to the Games, this time at home. Water quality had kept everyone in suspense for days. Cassandre Beaugrand finally dove in from the Pont Alexandre-III and completed her 1.5 km swim, 40 km bike and 10 km run in 1h54'55". On the run, she dropped Julie Derron and Beth Potter 🥇. No French woman had ever won an individual Olympic medal in triathlon.
Three months later, in the world final in Torremolinos, she swam around the wrong side of the first buoy 🧭. She worked her way back through the entire pack, then the British protest was rejected: she thus became the first French world champion in the discipline 🇫🇷.
Her 2025 season ended with a DNF in the final in Wollongong. She then returned to her first love. She already holds the French road record for the 5 km, set in 14'53" at the Monaco Run Gramaglia in February 2025. On 4 April 2026, she lined up for the 10 km of the Urban Trail de Lille. On this fast course, built for quick times, she clocked 30'52" and became the first French woman under 31 minutes over 10 km ⏱️.
On the track, she ran the 5,000 m in 14'40"77 in Nice in May, a French record since improved by Sarah Madeleine. She followed it with 8'32"86 over 3,000 m at the Herculis Meeting in Monaco, for her first appearance in the Diamond League 🚀.
Triathlon then took over again, with a flawless record: five WTCS races, five victories. On 26 September 2026, in Pontevedra, she broke away from the very first meters of the run. She raced to a second world title, with more than a minute's lead. Next goal: Los Angeles 2028, to defend her Olympic crown.
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