The Mixed 4x1500m relay is one of open water swimming’s most intense and visually complex races, where split-second exchanges unfold amid churned water, tight packs, and limited visibility. Ahead of the World Cup opener in Somabay, this fan quiz challenges viewers to study a single race moment in detail—identifying every athlete captured within the frame and getting closer to the action before competition begins. So, find out it you can distinguish every athlete from this chaotic scene.