Workout Description

Why This Workout Is Very Hard

The 100/70kg clean-and-jerks are near-maximal for average athletes, and pairing them with 18 calories on the Assault Bike (a brutal cardio demand) and burpee box jumps creates a punishing combination — twice. The 4-minute window is tight, leaving little margin for error. The wall ball AMRAPs then exploit already-taxed legs and lungs with no true recovery. Multiple limiting factors hit simultaneously across both cycles.

Training Focus

This workout develops the following fitness attributes:

• Power (8/10): Clean-and-jerks, burpee box jumps, and wall balls are all inherently explosive movements. The low rep count on barbell work and box jumps emphasizes power output over endurance, making this a highly power-dominant workout.
• Endurance (7/10): The Assault Bike intervals and structured work-rest format create significant cardiovascular demand. Two rounds of 18-calorie efforts plus AMRAP wall balls repeatedly spike heart rate, testing aerobic capacity under fatigue.
• Strength (7/10): Clean-and-jerks at 100/70 kg represent a heavy barbell load requiring significant strength. Only 4 reps per round keeps it strength-focused rather than endurance, demanding near-maximal effort from most athletes.
• Stamina (6/10): Wall ball AMRAP windows and repeated bike calories demand sustained muscular output. The structured intervals prevent full recovery, accumulating fatigue across muscle groups including legs, shoulders, and posterior chain.
• Speed (6/10): The 4-minute work windows create urgency to complete the prescribed round quickly. Efficient transitions and fast cycling on the bike and wall balls are critical to maximizing performance within each timed interval.
• Flexibility (5/10): Clean-and-jerks require thoracic mobility, hip flexibility, and overhead stability. Burpee box jumps and wall balls add squat depth and shoulder range demands, creating moderate overall mobility requirements throughout the workout.

Movements

• Wall Ball
• Air Bike
• Burpee Box Jump
• Clean and Jerk

Scaling Options

Assault Bike: Reduce calories to 12-14 for athletes who struggle to complete 18 in under 90 seconds, or substitute 200m row or 400m ski erg. Clean-and-Jerk: Scale to 70/47 kg (70% of Rx) for intermediate athletes, or 50/35 kg for newer athletes. Prioritize a weight you can complete 4 reps in 1-2 sets with confidence. If the squat clean is a limiting factor, power clean to push jerk is acceptable. Burpee Box Jumps: Reduce box height to 24/20 in, or substitute standard burpees with a step-up to the box. Step-downs are always encouraged to protect the Achilles. Wall Ball Shots: Scale to 14/10 lb if the Rx weight causes significant breakdown in squat depth or ball height. Reduce target height to 9 ft if needed. Volume: If completing the 4-minute block in time is not realistic, reduce the assault bike to 12 calories and clean-and-jerks to 3 reps to ensure athletes earn meaningful rest before the wall ball window.

Scaling Explanation

Scale this workout if you cannot complete 4 clean-and-jerks at the prescribed weight with sound technique under fatigue, or if 18 assault bike calories takes you longer than 90 seconds. The entire structure of this workout depends on finishing the 4-minute block with rest — if you're running into the wall ball window with zero recovery, the stimulus is lost and injury risk on the barbell increases significantly. Prioritize technique on the clean-and-jerk above all else — a heavy barbell under metabolic stress is where injuries happen. Athletes should be able to perform the C&J weight for at least 3-4 reps fresh before attempting Rx. The target effort is: finish the 4-minute block in 3:00-3:30, rest 30-60 seconds, then go unbroken on wall balls. If you're finishing the block with no rest, scale the bike calories or barbell load. Intensity is the goal — scaling should preserve the sprint nature of the work intervals, not just make the workout completable.

Intended Stimulus

This workout is a structured interval piece designed to test your ability to perform under fatigue across two identical cycles. The first block (0:00-4:00) demands a near-maximal sprint effort — you must complete the assault bike, heavy clean-and-jerks, and burpee box jumps as fast as possible, then immediately bank rest time before the wall ball AMRAP. The wall ball window (4:00-6:00) rewards athletes who moved efficiently in the first block — the more rest you earned, the fresher you are for wall balls. The second cycle (10:00-16:00) repeats this exact structure, testing your ability to replicate output when already fatigued. The primary training effect is high-intensity power output combined with metabolic repeatability — can you go hard twice? Energy demand is short burst power followed by sustained aerobic output. Primary challenges are the heavy barbell (clean-and-jerk at 100/70 kg is demanding), pacing discipline, and mental toughness in the second cycle when your body wants to slow down.

Coach Insight

Your number one priority in the 0:00-4:00 and 10:00-14:00 windows is efficiency, not speed. Attack the assault bike at a hard but sustainable pace — aim for a damper setting that lets you finish 18 calories in under 60-70 seconds without destroying your legs for the barbell. On the clean-and-jerks, 4 reps at 100/70 kg is not a lot, but the weight is heavy — do NOT rush your setup. Take a breath, brace hard, and treat each rep as a heavy single if needed. Touch-and-go is fine if the weight allows, but a missed rep or sloppy jerk costs you far more time than a 3-second reset. For burpee box jumps, find a smooth, rhythmic pace — step up is acceptable and saves your legs. The goal is to finish the 4-minute block with 30-60 seconds of rest before the wall ball window opens. In the wall ball AMRAP (4:00-6:00 and 14:00-16:00), go unbroken or in large sets from the start — you only have 2 minutes. Aim for sets of 15-20+ if possible. Common mistakes: going too hard on the bike and blowing up before the barbell, rushing the clean-and-jerk setup and missing reps, and underestimating how fatigued you'll feel in the second cycle. Treat the second cycle as the real test — your score is the total wall ball reps across both 2-minute windows.

Benchmark Notes

Twice: within 4 minutes, an 18-calorie bike, 4 clean-and-jerks at 100/70 kg and 5 burpee box jumps, then 2 minutes of max wall balls, then rest until the next 10-minute mark. The score is total wall balls. L5 (44-52) gets about 22-26 a window after the heavy clean-and-jerks; L10 (88+) about 45 a window.

Modality Profile

4 movements: Air Bike (M), Clean and Jerk (W), Burpee Box Jump (G - bodyweight movement), Wall Ball (W). That gives 1 Monostructural, 1 Gymnastics, 2 Weightlifting. Percentages: G=25%, M=25%, W=50%.

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