WEEKS
12
The standard build length for a first race.
PHASES
4
Base, build, specific, peak. Three weeks each.
A WEEK
4-5h
Realistic time commitment for a four-day plan.
A 12-week Hyrox build isn't twelve identical training weeks. It's four phases of three weeks each, and the order of those phases determines whether you peak on race day or two weeks before it.
This piece breaks down what each phase is for, what changes between phases, and how to read your own training load to know if you're on track. It's based on the standard programming we use for first-time Hyrox finishers, the build that's got people across the line in 90-105 minutes for their first race.
The four phases
Weeks 1-3. Base. Aerobic capacity, lifting volume, technique. Lower intensity, higher repetition.
Weeks 4-6. Build. Add race-specific intervals. Reintroduce the running pace you'll actually use on race day. Strength continues, but gets shorter and heavier.
Weeks 7-9. Specific. Mostly Hyrox-pattern sessions now. Run + station + run + station. Peak volume week.
Weeks 10-12. Peak and taper. Race intensity, half volume. Week 12 is taper, the day you arrive at the start line should feel fresh, not battered.
Each phase has a single job. Mixing the jobs is how plans fall apart.
Phase 1. Base (weeks 1-3)
The point of base weeks is to build the engine you'll race with. Aerobic capacity scales linearly with consistent Zone 2 running, but only if you don't sabotage it by adding high-intensity work too early. Three rules for base weeks:
- Most runs are slow. 80% of your weekly running volume should be conversational pace. Slow enough that you could carry a conversation through a full sentence.
- Lifts are sets of 8-12 at moderate load. This builds connective tissue and movement quality. The big numbers come later.
- Stations are introduced gently. One full Hyrox-pattern session per week, at 60-70% of race effort. The point is rehearsal, not testing.
What a typical base week looks like for someone training four days:
- Day 1: 45-minute easy run. Zone 2 throughout.
- Day 2: Strength A, hinge, push, pull, core. Sets of 8-12.
- Day 3: Hyrox-pattern hybrid. 3 rounds of 600 m run + one station. Half race-pace.
- Day 4: Long aerobic. 60-75 minutes Zone 2 or Zone 1.
Total time commitment: 4-5 hours of training. If you've never trained at this volume, week 1 will feel manageable, week 3 will feel like you've doubled your fitness. That's the base effect.
Phase 2. Build (weeks 4-6)
This is where the race starts to take shape. Two sessions a week now have race-pace work in them. The base you built in phase 1 is what lets you absorb the harder sessions without breaking.
The changes from phase 1 to phase 2:
- Running: Add one threshold session per week. 20-30 minutes of running at roughly your goal race pace, broken into intervals.
- Strength: Shorter sets (5-8 reps), heavier load (75-85% of one-rep max where you know it). Same movement patterns.
- Stations: Two Hyrox-pattern sessions per week now. One at 70% effort, one at 80%.
What changes about how you feel: you'll start to know what race effort feels like. The legs after sled push at 80% intent, that's the burn you'll meet on race day. Familiarity here is everything.
Common mistake in phase 2: skipping the long easy run because the threshold sessions feel more productive. The threshold work is only as good as the aerobic base supporting it. Keep the long run.
Phase 3. Specific (weeks 7-9)
Peak training volume. The week looks more like a race rehearsal week than a generic gym week.
A typical four-day week in phase 3:
- Day 1: Hyrox hybrid. 5 × (800 m run + station). At 85-90% race intent. 60 minutes.
- Day 2: Strength, three movements, heavy, no station work. Recovery focus.
- Day 3: Long aerobic + drills. 60 minutes Zone 2 + 10 minutes of sled or carries.
- Day 4: Mixed-modal, three rounds of run + two stations. 90% effort. 45 minutes.
Total volume: 5-6 hours. Cumulative fatigue is real. Sleep needs to be excellent. Food needs to be enough. Aches accumulate, but pain doesn't.
Phase 3 is where most plans either succeed or start to crack. The crack signal is rising resting heart rate over consecutive mornings, sessions feeling progressively harder at the same load, and irritability outside training. If you see two of those, drop volume by 20% for a week, never push through it.
Phase 4. Peak and taper (weeks 10-12)
Volume drops, intensity stays. The point is to keep the sharpness without arriving at the start line battered.
Week 10:
- Three sessions at race pace. Half-distance each.
- One long easy aerobic session.
- No new exercises. Nothing experimental.
Week 11:
- Two race-pace sessions, even shorter.
- One easy aerobic.
- Mobility and sleep are the most productive things you can do.
Week 12 (race week):
- Mon: Short Hyrox-pattern session, 30 minutes total.
- Tue: 30-minute easy run.
- Wed: Rest.
- Thu: 15-minute easy run + 4 short strides.
- Fri: Rest or 15 minutes of walking.
- Sat: Race.
The biggest mental hurdle in taper is feeling under-trained. Bodies that did three months of hard work and then back off feel sluggish, doubt-prone, restless. This is the body adapting, not regressing. Trust it.
Adapting the plan to your reality
A few common scenarios:
You can only train three days a week. Cut the mixed-modal day. Keep the Hyrox hybrid, one strength, and one long aerobic. You'll finish 5-8 minutes slower than the four-day version, but you'll finish. Race-ready in 16 weeks instead of 12.
You travel for work. Pack a band, a notebook with your sessions, and shoes. Treadmill runs are fine for base. Hyrox-pattern sessions need either a hotel gym with a sled or a creative substitution (dumbbell carry instead of sled, sandbag squats instead of wall balls). Don't skip the sessions; modify them.
You have a knee niggle. Substitute box jumps with step-ups, replace sandbag lunges with split squats, and run on softer surfaces. If pain is over 4/10, see a physio before the next session, not after three.
You miss a week. Drop into the plan at the start of the week you missed. Don't try to compress a missed week into the next one. The plan tolerates one missed week without changing your race-day outcome materially. Two missed weeks means moving the race or accepting a slower target.
What to track
Logging beats memory. Three things to track each session:
- Total volume. Distance run + sets × reps × load. A weekly number you can plot.
- Subjective effort. 1-10 rating immediately after the session. Two consecutive sessions at 9-10 should trigger a rest day.
- Morning resting heart rate. Once a week, taken before getting out of bed. A 5-7 beat rise sustained over three mornings means the body is over-reaching.
Plenty of free apps log this. The discipline is in writing it down.
What you don't need
- A heart rate strap, unless you already train with one.
- Lactate threshold testing.
- Supplements beyond the basics.
- A second strength session in the same week.
- Sled-specific shoes.
The plan that works is mostly the plan you can stick to. Pick the framework above, modify the sessions to your gym and your life, and don't change the structure until you've raced once and have data to decide what to change.
[ FAQ ]
Frequently asked
Is 12 weeks enough to train for a Hyrox?
Yes, for anyone with a basic running and strength baseline. If you can run 5 km without stopping and squat your body weight, 12 weeks is plenty for a first-time finish.
Can I run a 12-week Hyrox plan on three days a week?
Yes, but expect to finish later. The plan still works; you'll just lose roughly 5-8 minutes on race day versus a four-day version. The structure of the week matters more than the count.
Should I lift heavy during a Hyrox build?
Yes, but back off the very heavy work in weeks 10-12. Strength stays; absolute one-rep maxes don't matter on race day. Compound lifts at 70-85% of one-rep max are the bread and butter.
Written by
The Suth Performance teamCoaches and editors
The Suth Performance programming team, led by HYROX Elite 15 athlete Ben Sutherland.
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