Some workouts test your engine. Others test your strength. The most brutal CrossFit WODs find a way to test everything at once—and keep asking questions long after your body wants the workout to end.
CrossFit is built around constantly varied functional movements performed at relative intensity. That variety creates an almost endless number of possible WODs, from short metabolic sprints to long endurance tests, heavy barbell challenges and technically demanding gymnastics.
But some workouts develop reputations of their own.
They are remembered because of their volume, movement combinations, pacing traps or simply because they force athletes to spend an uncomfortable amount of time negotiating with themselves.
These are 10 brutal CrossFit WODs that have earned that reputation.
What Makes Brutal CrossFit WODs So Difficult?
Difficulty in CrossFit does not come from one variable. The worst workouts usually combine several.
Cardiovascular Demand
Running, rowing, burpees and high-repetition work can push heart rate high while still demanding precision.
Heavy Loads
Some WODs force athletes to move significant weight after fatigue has already started to compromise output.
Repetition
A movement that feels manageable for five reps can become a completely different problem after fifty—or several hundred.
Technical Fatigue
Muscle-ups, Olympic lifts and handstand work become increasingly difficult when breathing, grip and coordination deteriorate.
Open 15.5
Rowing and thrusters. Simple structure. Very little room to hide.
- Row — calories
- Thrusters — 95 / 65 lb
Kalsu
The longer you take, the more burpees the clock forces you to do.
- 100 Thrusters — 135 / 95 lb
- 5 Burpees at the start of every minute
Linda
Also known as the Three Bars of Death. Heavy strength endurance from the first round to the last.
- Deadlift — 1.5 × bodyweight
- Bench Press — bodyweight
- Squat Clean — 0.75 × bodyweight
The Seven
Seven rounds, seven movements and seven reps of everything.
- 7 Handstand Push-Ups
- 7 Thrusters — 135 / 95 lb
- 7 Knees-to-Elbows
- 7 Deadlifts — 245 / 165 lb
- 7 Burpees
- 7 Kettlebell Swings — 70 / 53 lb
- 7 Pull-Ups
Jason
Squat volume falls as the gymnastics demand keeps climbing.
- 100 Squats + 5 Muscle-Ups
- 75 Squats + 10 Muscle-Ups
- 50 Squats + 15 Muscle-Ups
- 25 Squats + 20 Muscle-Ups
King Kong
Very low reps do not make this easy when nearly every movement requires elite-level strength or skill.
- 1 Deadlift — 455 / 325 lb
- 2 Muscle-Ups
- 3 Cleans — 245 / 155 lb
- 4 Handstand Push-Ups
Fight Gone Bad
Five stations, one minute each and almost nowhere to recover.
- 1 min Wall-Ball Shots — 20 / 14 lb
- 1 min Sumo Deadlift High Pull — 75 / 55 lb
- 1 min Box Jumps — 20 in
- 1 min Push Press — 75 / 55 lb
- 1 min Row — calories
- Rest 1 minute
12 Days of Christmas
Matt Chan's version uses the Christmas-song structure: every new round adds another movement.
- 1 Snatch — 155 / 105 lb
- 2 Ring Muscle-Ups
- 3 Front Squats — 155 / 105 lb
- 4 Box Jumps — 24 / 22 in
- 5 Hang Power Cleans — 155 / 105 lb
- 6 Chest-to-Bar Pull-Ups
- 7 Deadlifts — 155 / 105 lb
- 8 Ring Dips
- 9 Kettlebell Snatches
- 10 Handstand Push-Ups
- 11 Front-Rack KB Lunges
- 12 Triple-Unders
Filthy Fifty & Miagi
Two giant chippers built around fifty-rep blocks and relentless full-body volume.
- 50 Box Jumps
- 50 Jumping Pull-Ups
- 50 Kettlebell Swings
- 50 Walking Lunges
- 50 Knees-to-Elbows
- 50 Push Press
- 50 Back Extensions
- 50 Wall-Ball Shots
- 50 Burpees
- 50 Double-Unders
- Deadlifts — 135 / 95 lb
- Double KB Swings — 55 / 35 lb
- Push-Ups
- Clean & Jerks — 135 / 95 lb
- Pull-Ups
- Kettlebell Taters
- Box Jumps — 24 in
- Wall Climbs
- Knees-to-Elbows
- Double-Unders
Murph
The iconic Hero WOD combines running with enormous bodyweight volume.
- 1-Mile Run
- 100 Pull-Ups
- 200 Push-Ups
- 300 Air Squats
- 1-Mile Run
Why These Brutal CrossFit WODs Stay With You
The workouts above are difficult for very different reasons. That is precisely what makes CrossFit programming so interesting.
Open 15.5 challenges an athlete's ability to keep producing output while moving between machine conditioning and a loaded movement. Linda attacks strength endurance. King Kong demands a completely different level of absolute strength and gymnastics skill.
Meanwhile, workouts such as Fight Gone Bad and Filthy Fifty use accumulated fatigue as the weapon. The individual movements may not always look extraordinary in isolation, but the structure changes everything.
Murph approaches difficulty from another direction again: prolonged running and enormous bodyweight volume.
Some WODs Mean More Than a Score
CrossFit also uses Hero workouts to honor members of the military, law enforcement and first-responder communities who died in the line of duty.
Murph and Jason appear in this list because they are extremely demanding workouts, but their identity goes beyond difficulty.
That context should always be respected when athletes perform them.
Explore CrossFit Workouts
For official workouts, movement resources and current programming, go directly to CrossFit.
VISIT CROSSFIT.COMDo You Need to Perform These WODs Rx?
No.
Scaling does not remove the purpose of a workout. A properly scaled version should preserve the intended challenge while matching your current strength, conditioning and technical ability.
That can mean reducing weight, repetitions, gymnastics difficulty or total volume.
The objective is not to copy another athlete's numbers at any cost. It is to train at a level that allows you to experience the intended stimulus safely and productively.
AMRAP? EMOM? Rx? Hero WOD?
If some of the terminology surrounding these workouts still feels unfamiliar, our CrossFit Dictionary explains the formats, movements, equipment and language used inside the sport.
OPEN THE CROSSFIT DICTIONARYWhich of These Brutal CrossFit WODs Would You Choose?
There is no scientific ranking that can declare one workout universally harder than every other.
A strong athlete may fear a long conditioning workout. A great runner may struggle when a heavy barbell enters the equation. A technically gifted gymnast may discover that high volume changes movements that normally feel easy.
That is the point.
The most brutal CrossFit WODs expose something. Strength. Endurance. Skill. Pacing. Grip. Patience. Sometimes all of them at once.
It needs to make you better.
Find the weakness.
Keep moving.