Workout Description
For time:
10-9-8-7-6-5-4-3-2-1 reps of:
Wall walks
Thrusters, 135 | 185 lb. (short bars)
Time cap: 20 min.
Why This Workout Is Extremely Hard
For the average CrossFit athlete, CrossFit Games 21.4 is Extremely Hard because Thruster at up to 185 lb and Wall Walk meet a roughly 20:00 work domain. The movements interfere through repeated grip, trunk, leg, or overhead fatigue, and there is little built-in recovery, so local fatigue compounds across movements. The Rx combination is realistically limited to elite athletes.
Benchmark Times for CrossFit Games 21.4
- Elite: <11:20
- Advanced: 13:21-15:23
- Intermediate: 17:24-20:00
- Beginner: >0:2.75
Training Focus
This workout develops the following fitness attributes:
- Stamina (6/10): The repeated work around Thruster at up to 185 lb and Wall Walk scores 0.6 for stamina; athletes must preserve local muscular output as sets, rounds, and transitions accumulate fatigue.
- Speed (6/10): The 20:00 scoring window and 2 movements score 0.6 for speed; success rewards high-skill or heavily loaded cycling, decisive transitions, and appropriately aggressive pacing.
- Strength (5/10): External loading and force demands score 0.5 for strength. The prescription reaches about 185 lb before sex-specific scaling. Force production must remain technically sound as the workout's other demands accumulate.
- Power (4/10): Thruster drive a 0.4 power score through repeated explosive extension and fast force production. Explosive intent must remain repeatable rather than deteriorating into slow, inefficient repetitions.
- Endurance (3/10): CrossFit Games 21.4 scores 0.3 for endurance because its 20:00 domain creates cardiovascular demand through sustained output. Breathing supports repeatable work, but pure aerobic capacity is not the only limiter.
- Flexibility (1/10): The prescribed positions create a 0.1 flexibility demand: efficient range of motion matters, but mobility is supportive rather than the sole test.
Scaling Options
Reduce Thruster to a load that permits crisp small sets without failed reps.
Scaling Explanation
Choose options that keep the athlete working in the long, sustained domain and capable of meaningful progress inside the 20:00 cap. Preserve the primary challenge of Thruster at up to 185 lb and Wall Walk, not the exact Rx load or skill at the expense of intensity.
Intended Stimulus
CrossFit Games 21.4 is intended as a long, sustained test centered on Thruster at up to 185 lb and Wall Walk. Athletes should sustain the fastest repeatable output that preserves the prescribed standards, letting breathing and local fatigue build without turning early aggression into failed reps or long stops.
Coach Insight
Start at a pace you can repeat through the middle of the workout, and break Thruster at up to 185 lb and Wall Walk before technique or cadence collapses. Keep transitions deliberate and short; save the final acceleration for the last round or station.
Benchmark Notes
Many average athletes will meet the 20:00 cap, so lower levels grade rounds completed and every finisher ranks above a capped score. L5 is anchored around 9 rounds; the fastest finisher target is 10:19, with Thruster at up to 185 lb and Wall Walk as the primary limiters.
Modality Profile
Counting each unique movement once, G includes Wall Walk; W includes Thruster. That produces G 50%, M 0%, and W 50%.
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