A no-rep is a repetition the judge does not count. You did the work, but you have to do it again. No-reps are frustrating, and they get more common as you tire. Knowing where they happen helps you avoid them.
The official standards are in the HYROX rulebook for the current season. Read it before your race — the details matter, and they can change. What follows is where racers most often fall short, not a substitute for the rulebook.
Wall balls
The two most common faults are squat depth and missing the target. When you are tired, your squat gets shallower without you noticing. Make a point of sitting deep on every rep, especially in the last sets. And aim for the same spot on the target each time; a ball that hits below it does not count.
Sandbag lunges
The rear knee must touch the ground on each step, and you must come to a full standing position. Short, rushed lunges often miss the knee contact. Take a slightly longer step and make the knee touch deliberate.
Burpee broad jumps
Your chest must touch the ground, and the jump must take off and land on both feet. When tired, many racers do a half burpee or step forward instead of jumping. Know the standard and keep the movement clean.
Sled push and pull
There are rules about where you can stand and how you can move the sled. On the pull, you must stay in the marked area. Read the rule and follow it; penalties cost more than any time you save.
SkiErg and row
These are rarely an issue. Make sure the monitor shows the full distance before you stop.
Laps
Missing a lap on the run is a bigger problem than any no-rep. Count carefully. See your first HYROX for a counting method.
Listen to the judge
When a judge tells you a rep does not count, fix it and continue. Arguing wastes time and energy, and the decision will not change.
Practise to standard
The best way to avoid no-reps is to train to the standard every time. If your training reps are sloppy, your race reps will be worse. Have a training partner judge you now and then.