The Duathlon de Saint-Quirin is a short-format run-bike-run race in the Moselle area of northeastern France, associated with Saint-Quirin and also listed around Abreschviller. It is organized by New Sarrebourg Team Triathlon, following the standard duathlon pattern: a run, a bike leg, then a second run. Formats include S and XSS, placing it on the accessible end of multisport racing rather than the long-distance side.
The course is described as difficult and set in green countryside, suggesting a race where handling the terrain matters as much as raw speed. Its first edition took place in nonstop rain and still drew about a hundred senior athletes. That first running also opened the Moselle-Sud challenge, alongside events such as the Sarrebourg triathlon, the Lac Vert triathlon in Mittersheim, the Cyclotour des etangs et des chateaux in Fenetrange, and the 10 km of Sarrebourg.