Workout Description

Why This Workout Is Very Hard

150 total back squats at bodyweight is brutal volume — legs will be destroyed before the cardio even begins. The interplay is devastating: squats trash the legs for rowing and biking, while the cardio (75 total calories each of row and bike) further fatigues the legs for the second squat block. Multiple limiting factors hit simultaneously — muscular endurance, cardiovascular capacity, and mental fortitude. Average athletes will likely take 45-70+ minutes with significant scaling needed.

Benchmark Times for Souffront

• Elite: <13:15
• Advanced: 15:15-17:30
• Intermediate: 20:00-23:00
• Beginner: >43:00

Training Focus

This workout develops the following fitness attributes:

• Stamina (9/10): 150 total bodyweight back squats combined with 75 calories each of rowing and assault bike creates enormous muscular endurance demands on the legs, posterior chain, and cardiovascular system simultaneously.
• Endurance (8/10): The combination of rowing and assault bike calories alongside high-rep squats creates sustained cardiovascular demand throughout. The for-time format pushes athletes to maintain aerobic output across a lengthy workout.
• Speed (5/10): For-time format incentivizes efficient pacing and quick transitions between movements. Athletes must balance sustainable speed on the machines and squats without burning out early in the workout.
• Flexibility (4/10): Back squats require adequate hip, ankle, and thoracic mobility to maintain proper positioning under fatigue. Rowing also demands hamstring flexibility and hip hinge mechanics throughout.
• Strength (2/10): Bodyweight back squats require basic relative strength but no external loading. The high rep count shifts the stimulus entirely away from maximal force production toward muscular endurance.
• Power (2/10): No explosive movements are programmed. Rowing and assault bike can be driven with power output, but the volume and for-time format encourage steady pacing over explosive efforts.

Movements

• Air Bike
• Back Squat
• Row

Scaling Options

Weight: Reduce back squat to 50-75% of bodyweight if true bodyweight is not achievable for high-rep sets with good form. For newer athletes, use an empty barbell or a fixed load like 95/65 lbs. Volume: Reduce to 75 squats / 35 cal row / 35 cal bike / 35 squats / 20 cal row / 20 cal bike for intermediate athletes. For beginners, consider 50 squats / 25 cal row / 25 cal bike / 25 squats / 15 cal row / 15 cal bike. Movement substitutions: Sub goblet squats or air squats if back squat mechanics are not solid. Sub ski erg or 200m run for the row or bike if equipment is unavailable. Time cap: Set a 50-minute cap for most athletes to preserve stimulus and prevent excessive fatigue.

Scaling Explanation

Scale the load if you cannot perform at least 10 back squats at the prescribed weight with full depth and a neutral spine — form breakdown under fatigue is a serious injury risk here. Scale the volume if you estimate your finish time would exceed 55-60 minutes, as the stimulus becomes counterproductive at that point. Prioritize technique over load every time — a lighter squat done correctly for 150 reps builds far more than a heavy squat done poorly. Athletes newer to high-rep barbell work should absolutely reduce volume and load. The goal is to finish feeling like you left everything on the floor — not destroyed for three days. If an athlete has any knee, hip, or lower back limitations, substitute goblet squats or air squats without hesitation.

Intended Stimulus

This is a long-duration grind — expect 30 to 60+ minutes of sustained effort depending on fitness level. The workout targets muscular endurance, aerobic capacity, and mental toughness simultaneously. Using bodyweight on the back squat means the load is personalized but still significant across 150 total reps. The cardio machines serve as active recovery between squat sets while keeping the heart rate elevated. The primary challenge here is mental — breaking down a massive volume of squats while managing leg fatigue on the rower and bike. This is a long steady engine workout with moments of hard sustained effort on the machines.

Coach Insight

Strategy is everything here. For the 100 back squats, do NOT go out hot — start with sets of 10-15 and plan to break early and often. Consider a 15-12-10-10-10-10-10-8-8-7 style approach or simply sets of 10 with short 10-15 second rests from the start. The worst mistake is going unbroken or in large sets early and then grinding to a halt by rep 60. On the row and bike, settle into a moderate pace — this is not a sprint. Treat the machines as a chance to flush the legs and control breathing. Aim for a consistent, sustainable pace rather than going hard and blowing up. For the back 50 squats, your legs will be cooked — drop to sets of 5-8 and grind through. Keep your chest tall, drive through the heels, and protect your lower back throughout. The final 25-25 is a sprint to the finish — give everything you have left. Common mistakes: going too heavy on the squat, sprinting the machines and arriving back at the bar destroyed, and losing squat depth as fatigue sets up. Depth and mechanics must be maintained throughout — no half reps.

Benchmark Notes

100 bodyweight back squats, a 50-calorie row and 50-calorie assault bike, then 50 more back squats and 25 calories of each. Bodyweight is about 60% of an average athlete's back squat. L5 (23-26:15) squats in sets of 8-10 and rows and bikes about 14 calories a minute. L10 (under 13:15) squats in big sets and holds 20+ calories a minute.

Modality Profile

3 movements: Back Squat (W), Row (M), Air Bike (M). Weightlifting: 1, Monostructural: 2, Gymnastics: 0. W=1/3≈33%, M=2/3≈67%, rounded to W:33, M:67, G:0

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