The Aquathlon du Printemps - Challenge Ludovic Birot is a spring swim-run event held in Gonfreville-l'Orcher, Seine-Maritime, near Le Havre. ESMGO Triathlon organizes this event, with the swim taking place at the G'DO aquatic complex on Rue des Sports. It is designated as a leisure event, emphasizing accessible competition over an elite-only focus.
The program is centered on young athletes, featuring races for ages 6 to 19 and a Label Mixite from the minimes category upwards. Harfleur is the closest train station, located just over two kilometers away, facilitating access without a car. While some youth formats are paused or awaiting future scheduling, the event's core remains pool swimming, short-format racing, and local triathlon development near Le Havre.