The current HYROX singles sequence combines eight runs of approximately one kilometre with SkiErg, sled push, sled pull, burpee broad jumps, rowing, farmers carry, sandbag lunges and wall balls. The stations share a few qualities, but they are not one strength problem. A heavy sled may expose horizontal force and position. Carries expose grip, trunk control and walking efficiency. Lunges and wall balls ask you to repeat lower-body work through a specified task.
Start with evidence, not how sore you felt. Compare your fresh strength, station execution and the run afterwards. If the station is slow even when you are fresh, technique or task-specific capacity may come first. If the station is sound but the run collapses, look at pacing, strength reserve or endurance. If your form changes only late in the event, repeated force and fatigue management deserve more attention.