Workout Description

Why This Workout Is Hard

A taxing 20-minute triplet that blends a demanding monostructural piece with high-skill barbell cycling and a tall plyometric. Thrusters at 95/65 lb spike heart rate and fatigue the legs and shoulders, while the 30/24 in box adds power demands. Sustained work density over 20 minutes pushes stamina and pacing, landing firmly in the Hard range.

Training Focus

This workout develops the following fitness attributes:

• Endurance (7/10): Twenty minutes with recurring bike calories emphasizes aerobic capacity and steady breathing under fatigue. Athletes must manage heart rate to maintain consistent splits round after round.
• Stamina (7/10): Repeated sets of thrusters and jumps require sustained muscular output in legs and shoulders, challenging the ability to keep moving with minimal rest for many rounds.
• Power (6/10): Explosive hip drive for thrusters and aggressive, crisp box jumps reward power output, especially if cycling the barbell efficiently under fatigue.
• Speed (5/10): There’s room for fast transitions and barbell cycling, but the 20-minute duration encourages controlled pacing over all-out sprinting.
• Strength (3/10): Thrusters at 95/65 lb require baseline strength, but the focus is not max effort—it's submaximal load moved repeatedly with solid mechanics.
• Flexibility (3/10): Adequate front rack, shoulder, and ankle mobility are needed for safe thrusters and stable box landings, but there are no extreme positions or advanced mobility demands.

Movements

• Air Bike
• Thruster
• Box Jump

Scaling Options

Scale to: 12/9 cal bike + 75/55 lb thruster + 24/20 in box • 10/8 cal bike + 65/45 lb thruster + 20/16 in box (step-ups allowed) • 15-minute AMRAP with 95/65 lb and 24/20 in box

Scaling Explanation

These options adjust monostructural volume, barbell loading, and jump height to preserve the triplet’s aerobic grind and barbell cycling stimulus while keeping rounds consistent and movement quality high.

Intended Stimulus

A steady grind that builds quickly: the bike elevates heart rate, thrusters keep it there, and tall box jumps force composed power. Aim for repeatable rounds with minimal rest, breathing hard but controlled. Unbroken or near-unbroken thrusters early, smooth jumps, and consistent bike splits should drive the score.

Coach Insight

Pace the bike so your first three rounds match your middle three. If you fall off early, the thrusters will punish you. The one tip: pick a thruster break-up plan and stick to it—unbroken or 6/4—then breathe at the top. Avoid sloppy box standards, slow transitions, and redlining on the bike in round one.

Benchmark Notes

ANCHOR REFERENCE: This workout is most similar to Cindy (AMRAP 20: 5 pull-up + 10 push-up + 15 air squat), which has L10: 25-30 rounds, L5: 15-18 rounds, L1: 6-8 rounds for males. However, this workout is significantly more demanding due to the Assault Bike calories, heavier thrusters (95 lb vs bodyweight movements), and box jumps, so we expect substantially fewer rounds. MOVEMENT BREAKDOWN PER ROUND: 15 Cal Assault Bike: - Elite: 18-22 sec (fresh), Advanced: 25-30 sec, Intermediate: 35-45 sec, Novice: 50-65 sec - High output, taxes legs and lungs heavily 10 Thrusters (95 lb): - Elite: 20-25 sec unbroken (2-2.5 sec/rep), Advanced: 30-40 sec (5+5 split), Intermediate: 45-60 sec (3+3+4 or singles), Novice: 70-90 sec (singles with rest) - Moderate load, sustainable for elite athletes but challenging for most 5 Box Jumps (30 in): - Elite: 8-10 sec (1.6-2 sec/rep), Advanced: 10-15 sec, Intermediate: 15-20 sec, Novice: 20-30 sec - High box requires good hip extension after thrusters Transitions: 3-5 sec elite, 5-8 sec intermediate, 8-12 sec novice (×2 transitions per round) ROUND-BY-ROUND ANALYSIS: Elite Male (L10 target: 11-12 rounds): - Round 1: 18 + 20 + 8 + 8 sec transitions = 54 sec - Rounds 2-4: 55-60 sec (minimal fatigue, 1.05x multiplier) - Rounds 5-7: 62-68 sec (bike slows, thrusters break to 6+4, 1.15x multiplier) - Rounds 8-10: 70-80 sec (bike 24-26 sec, thrusters 28-32 sec in smaller sets, 1.3x multiplier) - Rounds 11-12: 85-95 sec (significant fatigue, bike 28-30 sec, thrusters 35-40 sec, 1.5x multiplier) - Total time: 54 + (3×57) + (3×65) + (3×75) + (2×90) = 54 + 171 + 195 + 225 + 180 = 825 sec (13:45) - Rounds completed: 11-12 rounds Advanced Male (L7-L8 target: 9-10 rounds): - Round 1: 25 + 30 + 10 + 10 sec = 75 sec - Rounds 2-4: 78-85 sec (1.08x multiplier) - Rounds 5-7: 90-100 sec (bike 32-35 sec, thrusters 40-48 sec in 3+3+4, 1.25x multiplier) - Rounds 8-9: 105-120 sec (bike 38-42 sec, thrusters 50-60 sec, 1.45x multiplier) - Total time: 75 + (3×82) + (3×95) + (2×112) = 75 + 246 + 285 + 224 = 830 sec (13:50) - Rounds completed: 9-10 rounds Intermediate Male (L5 target: 7-8 rounds): - Round 1: 35 + 45 + 15 + 12 sec = 107 sec - Rounds 2-3: 110-120 sec (1.1x multiplier) - Rounds 4-5: 125-140 sec (bike 42-48 sec, thrusters 55-70 sec, 1.25x multiplier) - Rounds 6-7: 145-165 sec (bike 50-55 sec, thrusters 70-85 sec, 1.45x multiplier) - Total time: 107 + (2×115) + (2×132) + (2×155) = 107 + 230 + 264 + 310 = 911 sec (15:11) - Rounds completed: 7-8 rounds Novice Male (L1-L2 target: 3-4 rounds): - Round 1: 50 + 70 + 20 + 15 sec = 155 sec - Rounds 2-3: 165-185 sec (bike 55-60 sec, thrusters 80-100 sec as singles, 1.15x multiplier) - Round 4: 200-240 sec (severe fatigue, 1.4x multiplier) - Total time: 155 + (2×175) + 220 = 725 sec (12:05) for 4 rounds, or 155 + (2×175) = 505 sec (8:25) for 3 rounds - Rounds completed: 3-4 rounds COACHING REALITY CHECK: The Assault Bike at high calories creates immediate leg fatigue that compounds into the thrusters. Most athletes will need to break thrusters by round 3-4, even elite athletes. The 30-inch box jump after heavy thrusters is a significant challenge - expect step-ups or conservative pacing by round 5-6 for intermediate athletes. The combination of high metabolic demand (bike) with moderate-heavy barbell work (thrusters) creates a unique bottleneck where athletes can't sustain their typical thruster pace. Elite athletes who can hold unbroken thrusters for 6-8 rounds will separate themselves. Grip is not a major factor, but shoulder fatigue from thrusters will accumulate. The workout favors athletes with strong aerobic capacity and leg endurance. Compared to Cindy's L10 of 25-30 rounds, this workout's L10 of 11-12 rounds reflects approximately 40-45% of Cindy's round count, which is appropriate given: (1) Assault Bike calories are more demanding than air squats, (2) 95 lb thrusters are significantly harder than push-ups, (3) 30-inch box jumps are more technical and fatiguing than pull-ups in this context. The time domain is identical (20 min AMRAP), so the reduced round count directly reflects increased movement difficulty. FINAL MALE BENCHMARKS: - L10: 11.5+ rounds (elite competitive) - L5: 7.5 rounds (median CrossFitter) - L1: 3.5 rounds (beginner/scaled) FEMALE BENCHMARKS: Female athletes face the 65 lb thruster (vs 95 lb male) and 24-inch box (vs 30-inch male). The thruster load reduction (32% lighter) and box height reduction (20% lower) make the workout more accessible, but the Assault Bike calories remain the same, which is a significant equalizer. Women typically produce 15-20% fewer calories per unit time on the Assault Bike at maximal effort. Expect female rounds to be 15-20% fewer than male rounds due to: (1) slightly slower bike times, (2) similar thruster cycling speed at the lighter load but with more frequent breaks, (3) faster box jump execution at the lower height offsetting some time loss. FINAL FEMALE BENCHMARKS: - L10: 9.5+ rounds (elite competitive female) - L5: 6.5 rounds (median female CrossFitter) - L1: 3.0 rounds (beginner female)

Modality Profile

About half the time is spent accumulating calories on the bike (monostructural), a substantial portion cycling thrusters (weightlifting), and the remainder on box jumps (gymnastics). The bike dictates pace, while barbell work and jumps create muscular fatigue and power demands.

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