Today is a classic descending ladder that hits your legs, core, and grip in equal measure. Four movements, three rounds, one goal: keep moving with clean reps from the first wall ball to the last swing. Set your target time, set your station, and let's get to work.

Today's Session — 21-15-9

  • WALL BALLS
  • V-UPS
  • BOX STEP-UPS
  • KETTLEBELL SWINGS

How this format works

21-15-9 means you complete 21 reps of every movement, then 15 reps of every movement, then 9 reps of every movement, in the order listed. One full round is all four movements at the current rep count before you drop to the next number. Move station to station with minimal transition time and treat the whole piece as one continuous effort for time. Rest is built in only when you need it mid-set, so the clock rewards steady work over hero sets. Log your finish time so you have a number to chase next round.

How to attack it

The round of 21 is where most athletes overcook it, especially on wall balls and swings, so hold something back early. Break the 21s into two sets before you need to (12/9 or 11/10) and keep V-ups unbroken if you can since they cost you time when you reset. Match your breathing to the hinge on swings and to the throw on wall balls, one breath per rep, and you will stay out of the red. Box step-ups are your active recovery, so use them to lower your heart rate before hitting the bell. The round of 9 should be your fastest split, so leave enough in the tank to close hard.

Form cues

  • WALL BALLS — Squat deep, drive up, throw to target in one motion; catch and ride it straight back down.
  • V-UPS — Lie flat, lift legs and torso together to form a V, touch toes.
  • BOX STEP-UPS — Whole foot on the box, drive through the heel, stand tall at the top.
  • KETTLEBELL SWINGS — Hips snap, arms are ropes; the bell floats, you don't lift it.

Scale it

Newer to this: Drop to 15-12-9 or 15-10-5 if the volume feels too big, and use a lighter ball and kettlebell to protect movement quality. Swap V-ups for tuck-ups or seated knee tucks, and lower the box height so you can drive through the heel without hiking your hip.

Want more: Add a fourth round of 27 reps on the front, or run a 400m shuttle between each round to sharpen the race feel. Advanced athletes can go heavier on the bell, use a higher target on wall balls, and cap transitions at 10 seconds to keep the intensity honest.

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Fuel the work: high-protein recipes with full macros at TryThisFuel.

Gear for this workout

  • Cast-iron kettlebell (16 kg)$$Swings, goblet squats, and carries — the single most-used WOD implement. 16 kg covers most scaling; 24 kg if you're experienced.See options on Amazon →
  • Adjustable dumbbells$$Thrusters, snatches, lunges with load — adjustable dumbbells cover the widest range of WOD movements per dollar.See options on Amazon →
  • Cross-training shoes$$Running plus burpees plus lifting in one workout — you want a stable trainer, not a soft running shoe.See options on Amazon →

Disclosure: if you buy through these links, Try HYROX may earn a commission at no extra cost to you. Picks match the equipment this workout uses.