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Blog · Condition

HYROX Geneva is decided on the run, not on the sled

CASA BOOST·5 min read·8 September 2026
Boosters running on the curved treadmills under the neon of the ReBoost room at CASA BOOST Eaux-Vives

You’re already rehearsing it. Lying in bed, or halfway through a session, running the sled in your head and wondering whether it moves.

Ask anyone preparing for their first HYROX what worries them and they’ll name a station. Almost always the sled. Almost nobody names the run.

Which is a shame, because the thing you’re lying awake about is not the thing that decides your day. The eight kilometres you haven’t thought about once are.

On 9, 10 and 11 October, Palexpo becomes a start line. Here’s what to do with the weeks in between.

The short version

Eight kilometres, eight stations, roughly an hour. The stations are not what decide your time. The kilometres between them are. Grip is a single shared account drawn on by four of the eight. And the sled, which everyone fears, is a leg endurance problem wearing a strength costume.

Why the runs matter more than the stations

Because none of them is a fresh run.

It’s a kilometre asked of legs that just pushed 152 kilos across a carpet. Or carried two kettlebells for 200 metres. Or lunged a sandbag the length of the hall.

Endurance coaches call it compromised running. It behaves nothing like your Tuesday evening loop.

Two things happen, and both surprise people. Your pace drops much further than you expect. And it drops hardest in the first 200 metres out of the station, exactly when you’re trying to find a rhythm again.

Now multiply that by eight.

The gap between someone who trained for this and someone who didn’t gets measured in minutes. Not seconds.

Which is why training only the stations, or only the running, prepares you for neither.

The race lives in the seam between them.

A Booster mid-effort between stations in a HYROX Conditioning class at CASA BOOST Eaux-Vives
Effort you can see, composure you can’t. Eaux-Vives, mid-round.

The format

Same everywhere in the world. Eight runs of one kilometre, each followed by a station.

#StationDistance / repsOpen menOpen women
1SkiErg1000 mMachineMachine
2Sled Push50 m152 kg102 kg
3Sled Pull50 m103 kg78 kg
4Burpee Broad Jumps80 mBodyweightBodyweight
5Row1000 mMachineMachine
6Farmers Carry200 m2 × 24 kg2 × 16 kg
7Sandbag Lunges100 m20 kg10 kg
8Wall Balls100 reps6 kg4 kg

Sled weights include the sled. Pro, Doubles and Relay use different loads, reviewed between seasons. Check the official rulebook for your division.

Look at the order. The two heaviest tasks back to back. Then coordination. Then grip. Then legs under load. Then a hundred wall balls with whatever’s left.

That sequence is designed to find the thing you didn’t train.

What each station actually costs you

  • SkiErg

    Technique beats aggression. Most people go too hard because it’s first and they feel good, then pay for it on the sled ninety seconds later.

  • Sled push

    The great leveller. Stay low, short continuous steps, both feet driving. Stopping costs far more than moving slowly.

  • Sled pull

    Grip plus hand-over-hand rhythm. Feet planted, hips low, same rope path every time. Fighting the rope never wins.

  • Burpee broad jumps

    Pacing discipline in public. A rhythm you can hold beats bursts followed by standing around.

  • Row

    Arrives when you’re properly tired and sells you the fantasy that it’s a rest. It isn’t. But it’s your best chance in the whole race to get your breathing back before the second half.

  • Farmers carry

    Short, and far more decisive than it looks. Whoever saved grip earlier walks it. Whoever didn’t puts the weights down, and that costs time you won’t recover.

  • Sandbag lunges

    The quiet worst one. Loaded, one leg at a time, placed exactly where your legs have nothing kind left to say.

  • Wall balls

    Ten sets of ten with a five-second breath beats failing at rep 34 and improvising the rest. Decide that before the start, not when you arrive.

A HYROX Conditioning interval in progress in the ReBoost room at CASA BOOST, treadmills and kettlebells in the same space
Three times a week, eight people, fifty minutes. The running and the loaded work in the same room, which is the whole point.

How to train for it

Train the race, not its parts.

  • Intervals

    HYROX is an interval event. Steady running and separate strength days both leave open the gap where the race lives.

  • In sequence

    Rehearse the movements in the order they come. Good form at rest and good form at 175 bpm are two different skills.

  • On tired legs

    Finish a strength block, go straight out for 800 metres. On purpose. It’ll feel awful. That’s the point.

This is what HYROX Conditioning at CASA BOOST is built around. Not station practice, and not a seasonal race camp. Performance conditioning, running all year.

Affiliated

CASA BOOST is an Official HYROX Affiliated Training Club, which is the short version of why the format is faithful rather than approximate. It’s also the most booked class we run, and most of the people in it aren’t racing anything. They come for the structure. HYROX is where the format comes from, not who it’s for.

Three sessions a week. Fifty minutes. Eight people, maximum. Twenty-four places in a week, for the class people ask for most.

The cap is the whole point. Technique is easy at rest and falls apart at 175 bpm, which is exactly when it starts costing you minutes. Eight is the number where a coach can still watch it happen and say something, instead of you grooving the wrong pattern for six weeks and finding out at Palexpo.

And the people who find the class hardest are rarely the least fit. They’re the ones who empty themselves in the first block.

Capacity, not chaos. Train Under Pressure means training the pressure, not just training hard.

Race week

You can’t build fitness now. You can absolutely waste it.

  • Drop volume, keep a little intensity
  • Rehearse race pace instead of chasing it
  • Nothing new. No new shoes, no new supplement, no curious heavier sled
  • Sleep instead of adding a session
  • Last hard session five to seven days out

Race morning at Palexpo

  • Run one

    Go out slower than feels right. It feels easy while you’re spending time you’ll never get back.

  • Food

    Eat what you normally eat, when you normally eat it. Race morning is a terrible time to test your stomach.

  • The venue

    Walk it if you can. Knowing the floor and the roxzone removes decisions from an hour where thinking gets harder by the station.

One more, and it’s the one people remember afterwards. Somewhere around run five you will want to stop, and you’ll look up and see several hundred people who all want to stop at exactly the same moment and aren’t. Nobody prepares you for how much that helps.

And then it’s over

Which is its own problem, and a bigger one than most people expect.

We’ll come back to that the week after the race. For now: go out slow, keep your grip, and count your wall balls.

Free · nothing to book

One session to do this week

Finish a strength block and go straight out for eight hundred metres. No pause between the two, no waiting for your breathing to settle.

That’s the whole race in miniature. The number you run will tell you more about your finishing time than anything you can do on a sled.

CONDITION is one of the five pillars, and it draws on the other four. How the cycle works →

And if you’re still deciding whether the format is for you at all, start with what a HYROX race actually asks of you.

Official HYROX Affiliated Training Club · Palexpo, 9 to 11 October

Three classes a week, eight places each.

HYROX Conditioning runs all year in the ReBoost room, where the running and the loaded work happen in the same space. If you want a place before 9 October, book early. That’s not a sales line, it’s twenty-four places.

Find a HYROX Conditioning class

Sources

  1. Race format, station order, division loads and event details: HYROX official site, hyrox.com. Loads shown are Open division and are reviewed between seasons.
  2. Let’s Go Fitness HYROX Geneva, Palexpo, 9 to 11 October 2026.