What Is Hyrox? The Fitness Race Explained and What Decides Your Time

Athletes competing at a HYROX fitness race

Hyrox is a fitness race that every competitor runs in the same order at every event worldwide: eight one-kilometre runs, each followed by one functional workout station, sixteen segments back to back. You run a kilometre, do the station, run the next kilometre, do the next station, all the way through. The format does not change, the course does not vary, which means your finish time is a clean measure of your fitness on that day.

The Hyrox Format

The race always follows the same sequence. Eight runs, eight stations, alternating from start to finish.

StationWork
1. SkiErg1000 m
2. Sled Push50 m
3. Sled Pull50 m
4. Burpee Broad Jumps80 m
5. Rowing1000 m
6. Farmers Carry200 m
7. Sandbag Lunges100 m
8. Wall Balls100 reps (men) / 75 reps (women)

Each station is preceded by a 1 km run, so the full race is 8 km of running plus the eight stations.

Station weights and loads differ by division and gender. Hyrox offers four divisions: Open (the standard entry-level category), Pro (competitive athletes, heavier loads), Doubles (two athletes sharing each station and each run), and Relay (teams of four). Weight specifications vary across these divisions so if you are registering, check the current official rulebook for the exact loads assigned to your division.

Typical finish times for recreational athletes in the Open division run from around 75 to 100 minutes for men and 85 to 110 minutes for women. Competitive finishers in the sub-60 range are strong aerobic athletes with race-specific conditioning. The elite Pro division is a different world.

Who Hyrox Is For and What It Feels Like

Hyrox is built for recreational athletes. The Open division is accessible to anyone with a reasonable base of running and functional fitness. You do not need a competition background or specialist equipment training to enter.

The race is a hybrid of endurance and strength endurance. The running segments are not sprinting and not a jog. They are sustained effort, and they accumulate. By the fifth or sixth run, the earlier stations have left something in your legs. The wall balls at the end feel nothing like wall balls on a fresh morning. That compounding fatigue is the central challenge of the format, and it is what makes the race genuinely hard even for people who are fit in a general sense.

What Actually Decides Your Hyrox Time

The runs account for more than half of a typical recreational finish. In the first published scientific study of Hyrox athletes (Brandt et al., 2025), VO2 max was the strongest measured correlate of total finish time (ρ = -0.71, p = 0.01, n = 11 recreational athletes). The correlation was even stronger specifically on the running segments (ρ = -0.73). Grip strength and muscle mass showed no significant correlation with finish time.

To be precise about what the study is and is not: eleven athletes is a small sample, and correlation does not establish causation. This is one study, not a settled consensus. But the direction is clear and matches what coaches have observed for years. The runs are where the race is won or lost, and the runs are an aerobic problem.

If you want to understand how to train that engine, the Hyrox training guide covers the exact protocols with evidence behind them.

How to Start Training for Hyrox

The clearest on-ramp is to build your aerobic base before worrying about station technique. Most people who struggle on their first Hyrox fade on the later runs, not because they lack strength, but because their aerobic capacity cannot support the sustained effort.

Two resources to start with:

Start Building Your Hyrox Engine with PEAKVO2

PEAKVO2 runs the Norwegian 4x4 and other VO2 max protocols directly on Apple Watch with continuous heart rate, color-coded phases, and haptic cues at every transition, so you can train the engine that decides your Hyrox time.

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Frequently Asked Questions

What is Hyrox in simple terms?

Hyrox is a fitness race where you run one kilometre, do a functional workout station, run another kilometre, do the next station, and repeat until you have completed eight runs and eight stations. The format is identical at every event worldwide, so your finish time is a direct measure of your fitness on the day.

How long does a Hyrox take?

Most recreational athletes finish in 75 to 110 minutes depending on division and fitness level. Open division men typically finish between 75 and 100 minutes; women between 85 and 110 minutes. Competitive athletes in the sub-60 range are strong aerobic performers with race-specific conditioning.

What are the 8 Hyrox stations?

In order: SkiErg (1000 m), Sled Push (50 m), Sled Pull (50 m), Burpee Broad Jumps (80 m), Rowing (1000 m), Farmers Carry (200 m), Sandbag Lunges (100 m), and Wall Balls (100 reps for men, 75 for women). Each station is preceded by a 1 km run, so the race is 8 km of running plus the eight stations.

Is Hyrox harder than a 10k or CrossFit?

Hyrox is a different challenge than either. Compared to a 10k, it is much slower per kilometre but far more physically taxing because you step off each station into the next run. Compared to CrossFit, the movements are fixed and accessible, with no barbell gymnastics, but the compounding fatigue from 8 km of running in between makes it uniquely hard in its own way. Most people find it harder than a 10k and more structured and approachable than competitive CrossFit.

How do I train for my first Hyrox?

Build your aerobic base first. The runs are over half the race and VO2 max was the strongest measured predictor of finish time in the first Hyrox study. Start with structured interval training, add zone 2 easy running for base volume, and then layer in station-specific work. See the Hyrox training guide for a full plan with the exact protocols.

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References

  1. Brandt T, Ebel C, Lebahn C, Schmidt A. Acute physiological responses and performance determinants in Hyrox, a new running-focused high intensity functional fitness trend. Front Physiol. 2025. doi:10.3389/fphys.2025.1519240. PubMed · PMC