
Efficient technique in Sandbag Lunges means placing the bag evenly across both shoulders, keeping your torso upright, touching your back knee to the floor under control on every step and driving through your hips into the next step. As HYROX’s seventh station, this 100-meter lunge comes at the latest point in the race, when your legs are most tired; so rhythm and avoiding no-reps matter as much as speed. In this article, we explain step by step how to carry the load, how to choose your stride length and how to train for this station.
Station rules and loads
Sandbag Lunges start right after station 6, the 200 m Farmers Carry, and the 1 km run that follows; after them come the final run and 100 Wall Balls. The athlete carries the bag on their shoulders and performs consecutive lunges for 100 meters. The basic rules can be summarized as follows:
- The back knee must touch the floor on every rep.
- At the end of each step, the hips and knees must extend to a standing position.
- The bag is carried on the shoulders (along the neck and shoulder line); carrying it in your arms or in front of your chest is not valid.
- If the bag falls, you pick it back up onto your shoulders from where it fell and continue.
Since rules may be updated each season, always check the official rulebook before the race. The commonly used bag weights are as follows:
| Category | Women | Men |
|---|---|---|
| Open | 10 kg | 20 kg |
| Pro | 20 kg | 30 kg |
In the Doubles and Relay divisions, the load is determined by division and the athlete’s gender. You can compare the load differences across all stations in our Open and Pro weights table .
Placing the bag: stable and balanced
The quality of your lunges depends largely on where the bag sits. A bag that slides as you move steals your energy and pulls your torso forward. For correct placement:
- Lift the bag from the floor to your chest with a clean hip hinge, then roll it back behind your head to rest on your upper back and shoulders.
- Seat the bag on your trapezius muscles, not against the back of your neck. Direct pressure on the cervical vertebrae causes discomfort.
- Position your hands to grip both ends of the bag; elbows slightly forward, chest open.
- Distribute the bag’s weight evenly across both shoulders. If it sags to one side, correct it every few steps; an uneven load bends your torso sideways.
Getting the bag from the floor onto your shoulders is a technique in itself. Lifting it quickly with a rounded back is an unnecessary risk for your lower back at this point in the race. In the heavier divisions, bringing the bag first to your knees, then your chest, then your shoulders is more controlled.
Step technique: length, depth and torso angle
A good lunge has four components: stride length, controlled descent, knee contact and the drive up.
Stride length
Too short a stride pushes the front knee too far forward and loads the knees; too long a stride makes the drive up harder and disrupts balance. For most athletes, the right stride length is the distance at which both knees are bent at roughly 90 degrees in the bottom position. Measure this distance once in training and find your own “natural” step.
Descent and knee contact
Touch your back knee to the floor in a controlled way rather than slamming it down. The judge must see the contact, but hitting the floor with your knee hurts and stresses the tissues at the front of the knee. Aim for a soft touch followed immediately by the drive up. If your knee is sensitive, you can use a knee sleeve or a thin layer of fabric in training; check the clothing rules for the race in advance.
Torso angle and drive
Your torso should be upright or slightly forward. Collapsing too far forward causes the bag to slide and strains your lower back. On the drive up, generate the push from the heel and hip of your front leg; then bring the back leg forward into the next step. Don’t forget to reach a full upright stance at the end of each step; this part, skipped when you’re tired, is the most common cause of no-reps.
Pace and rhythm: how should you split the 100 meters?
Depending on stride length, the 100-meter station takes most athletes roughly 60-80 lunges. At this point in the race, your legs carry the fatigue of the Farmers Carry and 7 kilometers of running. So it’s not the fastest start that wins, but the steadiest rhythm.
- First 25 meters: Find your rhythm. Sync your breathing with your steps: exhale on the way down and inhale on the way up, or the reverse; whichever feels natural to you.
- 25-75 meters: Try to keep going without stopping. If you need a break, take short 3-5 second breathing breaks standing upright instead of a long pause.
- Last 25 meters: Think about the final run before the Wall Balls and the 100 Wall Balls themselves. Keep the same rhythm here rather than emptying the tank.
Setting the bag down is often more expensive than expected: getting it back onto your shoulders costs both time and energy. If you take a break, stand upright with the bag on your shoulders. You can find advice on distributing effort across the race in our HYROX pacing strategy article.
Training protocol for Sandbag Lunges
To succeed at this station, three capacities need to develop together: single-leg strength, lunge endurance under fatigue and core stability. Below is a sample progression you can fit into your weekly program:
| Week | Strength | Station-specific work |
|---|---|---|
| 1-2 | Bulgarian split squat 3 × 8 per leg, heavy | 4 × 25 m sandbag lunges, race weight, 90 sec rest |
| 3-4 | Reverse lunge 3 × 10 per leg, dumbbells | 3 × 50 m, with 400 m runs in between |
| 5-6 | Step-up 3 × 10 per leg | 2 × 100 m, preceded by a 200 m Farmers Carry and a 1 km run |
| 7-8 | Front squat 4 × 5 | Full station: 1 km run + 100 m lunges + 1 km run + 50 Wall Balls |
In endurance work, keeping the bag weight slightly below race weight at first and gradually building up to race weight is a safe approach. Some athletes also find it useful to work slightly above race weight for short sections; but this should be done only after clean technique is established and with low volume.
We detailed the differences between single-leg strength movements in our lunge, step-up and Bulgarian split squat article. For the strength foundation on the bilateral side, take a look at our squat variations article.
Race-context preparation: compromised lunges
Doing Sandbag Lunges rested and doing them after seven kilometers of running and six stations are very different experiences. That is why you must rehearse the station under fatigue in the final weeks of preparation. A classic combination: 200 m Farmers Carry, 1 km run, 100 m Sandbag Lunges, 1 km run. This block mimics the last quarter of the race exactly and prepares both your legs and your mind for that point.
It’s normal for your legs to feel “like concrete” as you transition to running after the lunges. Deliberately starting the first 200-300 meters a little slower and keeping your cadence high brings your rhythm back faster. We covered this in detail in our compromised running article. To work on these kinds of blocks under a coach’s supervision at Hybrid, you can join our HYROX Simulation classes .
Equipment, clothing and small details
Shoe choice also makes a difference at this station. Very soft, high-stack running shoes can cause your foot to slide sideways during lunges under heavy load. A stable, mid-height sole that balances running and station work is safer for most athletes; we covered the selection criteria in our HYROX shoes article. As for clothing, having no thick seams or zippers around the shoulders makes placing the bag easier.
Remember that your hands and forearms arrive fatigued from the Farmers Carry. Instead of trying to grip the bag tightly, use your hands only for balance; let your shoulders carry the weight. Occasionally practicing walking with a light hand hold on the bag in training helps you cope with grip fatigue in the race. Finally, keep in mind that the floor at the race venue may be different from your gym; rehearsing on different surfaces reduces surprises.
Common mistakes and how to fix them
- Knee not touching the floor: The most common cause of no-reps under fatigue. Fix: lengthen your stride slightly and complete the descent deliberately.
- Not reaching full upright: Moving into the next step in consecutive lunges without extending the hips. Fix: a brief “stand tall” moment at the end of each step.
- Torso collapsing forward: The bag slides and loads your lower back. Fix: keep your chest up and fix your gaze a few meters ahead.
- Dropping the bag frequently: A placement error. Fix: seat the bag on your traps and anchor your hands at the ends of the bag.
- Knee caving in: The front knee should track in the same direction as the toes. Strengthening the glutes reduces this error.
If you feel sharp pain localized to a specific spot in your knee, hip or lower back during lunges, stop the session. We explained the link between knee pain and lunge technique in our knee pain article. If the complaint persists, see a doctor or physiotherapist. If you want to check your technique with a coach, see get in touch with us.
How heavy is the bag in HYROX Sandbag Lunges?
Generally, in the Open division 10 kg is used for women and 20 kg for men; in the Pro division, 20 kg for women and 30 kg for men. Current values should be verified against the official rules.
Does your knee have to touch the floor during lunges?
Yes. Your back knee must touch the floor on every rep, followed by a full upright stance; otherwise the judge may not count the rep.
How many steps does 100 meters of lunges take?
Depending on stride length, it takes most athletes roughly 60-80 lunges. A steady rhythm is more efficient than starting fast and stopping.
What is the best training for Sandbag Lunges?
Single-leg strength movements, sectioned lunge sets at race weight and run-lunge combinations done under fatigue are the most effective trio.
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