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Workout Description

21-15-9 Reps for Time Squats Snatches (50/35 kg) Kettlebell Swings (32/24 kg) Toes-to-Bars Buy-Out: 100 Double-Unders

Why This Workout Is Very Hard

This workout stacks multiple limiting factors simultaneously. Squat snatches at 50/35kg demand high skill under fatigue, while the 21-15-9 scheme creates brutal volume before the buy-out. Toes-to-bars destroy grip and core, directly compromising snatch mechanics. Kettlebell swings compound posterior chain and grip fatigue. The 100 double-unders as a buy-out hit an already-gassed athlete with a coordination-dependent skill movement, making this a multi-limiter workout that most average athletes will need to scale.

Benchmark Times for Lambo

  • Elite: <4:30
  • Advanced: 5:30-6:45
  • Intermediate: 8:30-10:45
  • Beginner: >27:00

Training Focus

This workout develops the following fitness attributes:

  • Stamina (8/10): Total volume across squats, snatches, KB swings, toes-to-bars, and double-unders is substantial. Grip, core, and posterior chain fatigue accumulate significantly, demanding high muscular endurance across multiple muscle groups.
  • Power (8/10): Squat snatches are highly explosive full-body movements, and kettlebell swings demand powerful hip extension. Double-unders require rhythmic power output. Power is a primary stimulus throughout this workout.
  • Endurance (7/10): The descending rep scheme with four movements and a 100 double-under buy-out creates sustained cardiovascular demand. Athletes must manage heart rate across multiple transitions and movement patterns throughout the workout.
  • Flexibility (7/10): Squat snatches demand significant overhead mobility, hip flexibility, and ankle dorsiflexion. Toes-to-bars require hamstring and hip flexor range of motion. This workout has above-average mobility requirements across multiple joints.
  • Speed (6/10): For-time format incentivizes fast cycling and quick transitions. The descending rep scheme allows athletes to push pace in later rounds. Double-under buy-out rewards efficient, unbroken cycling under accumulated fatigue.
  • Strength (5/10): Squat snatches at 50/35 kg and KB swings at 32/24 kg represent moderate loads requiring real strength, especially under fatigue. Not maximal effort, but heavier than typical bodyweight-only workouts.

Movements

  • Kettlebell Swing
  • Squat Snatch
  • Toes-to-Bar
  • Double-Under

Scaling Options

Squat Snatch: Reduce to 35/25 kg or further to 30/20 kg for developing athletes. Sub power snatch + overhead squat if the squat snatch is not yet in your toolkit, or use a dumbbell hang power snatch (22.5/15 kg) as a simpler alternative. Kettlebell Swings: Scale to 24/16 kg if the Rx weight compromises hip hinge mechanics or causes grip failure before the snatch. American swings can be subbed with Russian swings (eye level) if shoulder mobility is a concern. Toes-to-Bars: Scale to knees-to-elbows, knees-to-chest, or hanging knee raises. If grip is already compromised, consider V-ups or GHD sit-ups to preserve the midline stimulus without additional grip demand. Volume: Scale to 15-12-9 if the athlete is newer or if the squat snatch is technically demanding and reps will take excessive time. Double-Unders: Scale to 50 double-unders, 75 single-unders per 25 DUs, or 200 single-unders total. If double-unders are a skill in progress, cap at 2 minutes of practice and move on.

Scaling Explanation

Scale the squat snatch if you cannot perform at least 5 technically sound reps at the prescribed weight when fresh — ugly snatches under fatigue are a recipe for injury, not adaptation. Scale toes-to-bars if you cannot string together at least 5 unbroken reps, as broken singles will kill your time and grip. The goal is to finish the main couplet in 10-15 minutes and the buy-out in 2-4 minutes, for a total workout time of 12-18 minutes. If you're projected to go beyond 20 minutes, reduce load or volume. Prioritize movement quality on the snatch above all else — intensity is meaningless if the pattern breaks down. Athletes should feel like they're working at an 8-9 out of 10 effort by the round of 9, not surviving the round of 21.

Intended Stimulus

This is a moderate-to-sprint effort targeting 10-18 minutes of high-intensity work. The descending rep scheme (21-15-9) is designed to let you push harder as fatigue accumulates and reps drop — expect a hard, sustained effort that taxes your lungs, grip, and midline simultaneously. The primary challenge is a combination of skill and conditioning: the squat snatch demands technical precision under fatigue, toes-to-bars will challenge grip endurance, and the kettlebell swings keep the heart rate elevated throughout. The buy-out of 100 double-unders adds a conditioning tax at the end when you're already gassed, rewarding athletes who pace smartly and arrive at the buy-out with something left in the tank.

Coach Insight

The squat snatch is the governor of this workout — treat it that way. Start conservatively in the round of 21, breaking early (sets of 5-7) rather than grinding ugly reps that will cost you later. Singles are always an option on snatches and are often faster than failed reps. For kettlebell swings at 32/24 kg, aim for large unbroken sets in the round of 21 (try 12-9 or 21 straight if you're strong here) since swings are your 'rest' compared to the other two movements. Toes-to-bars will destroy your grip — break these into manageable sets from the start (7-7-7 in the round of 21) rather than going big and hanging on the bar recovering. Transition quickly between movements; the rest is in the rep reduction. For the buy-out, shake out your hands, find a rhythm on the rope, and aim for sets of 25-50 double-unders. Common mistakes: going too heavy on the snatch and grinding slow ugly reps, going unbroken on T2B in round of 21 and blowing up your grip, and treating the buy-out as an afterthought — it's 100 reps and will take 2-4 minutes if you're not sharp.

Benchmark Notes

The primary limiters are squat snatch cycling under fatigue (50/35 kg is heavy for most), toes-to-bars grip endurance, and double-under skill as a buy-out. L5 (~12 min) breaks snatches into singles or small sets, does KB swings in 2-3 sets, and takes 2-3 attempts on the 100 double-unders.

Modality Profile

4 movements: Squat Snatch (W), Kettlebell Swing (W), Toes-to-Bar (G), Double-Under (G). 2 Gymnastics and 2 Weightlifting = 50/50 split.

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21-15-9 Reps for Time Squats Snatches (50/35 kg) Kettlebell Swings (32/24 kg) Toes-to-Bars Buy-Out: 100 Double-Unders

Difficulty:
Very Hard
Modality:
G
W
Stimulus:

This is a moderate-to-sprint effort targeting 10-18 minutes of high-intensity work. The descending rep scheme (21-15-9) is designed to let you push harder as fatigue accumulates and reps drop — expect a hard, sustained effort that taxes your lungs, grip, and midline simultaneously. The primary challenge is a combination of skill and conditioning: the squat snatch demands technical precision under fatigue, toes-to-bars will challenge grip endurance, and the kettlebell swings keep the heart rate elevated throughout. The buy-out of 100 double-unders adds a conditioning tax at the end when you're already gassed, rewarding athletes who pace smartly and arrive at the buy-out with something left in the tank.

Insight:

The squat snatch is the governor of this workout — treat it that way. Start conservatively in the round of 21, breaking early (sets of 5-7) rather than grinding ugly reps that will cost you later. Singles are always an option on snatches and are often faster than failed reps. For kettlebell swings at 32/24 kg, aim for large unbroken sets in the round of 21 (try 12-9 or 21 straight if you're strong here) since swings are your 'rest' compared to the other two movements. Toes-to-bars will destroy your grip — break these into manageable sets from the start (7-7-7 in the round of 21) rather than going big and hanging on the bar recovering. Transition quickly between movements; the rest is in the rep reduction. For the buy-out, shake out your hands, find a rhythm on the rope, and aim for sets of 25-50 double-unders. Common mistakes: going too heavy on the snatch and grinding slow ugly reps, going unbroken on T2B in round of 21 and blowing up your grip, and treating the buy-out as an afterthought — it's 100 reps and will take 2-4 minutes if you're not sharp.

Scaling:

Squat Snatch: Reduce to 35/25 kg or further to 30/20 kg for developing athletes. Sub power snatch + overhead squat if the squat snatch is not yet in your toolkit, or use a dumbbell hang power snatch (22.5/15 kg) as a simpler alternative. Kettlebell Swings: Scale to 24/16 kg if the Rx weight compromises hip hinge mechanics or causes grip failure before the snatch. American swings can be subbed with Russian swings (eye level) if shoulder mobility is a concern. Toes-to-Bars: Scale to knees-to-elbows, knees-to-chest, or hanging knee raises. If grip is already compromised, consider V-ups or GHD sit-ups to preserve the midline stimulus without additional grip demand. Volume: Scale to 15-12-9 if the athlete is newer or if the squat snatch is technically demanding and reps will take excessive time. Double-Unders: Scale to 50 double-unders, 75 single-unders per 25 DUs, or 200 single-unders total. If double-unders are a skill in progress, cap at 2 minutes of practice and move on.

Time Distribution:
6:07Elite
12:07Target
27:00Time Cap
Your Scores:
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Training Profile

Performance Levels
L1
L2
L3
L4
L5
L6
L7
L8
L9
L10
RookieNoviceIntermediateAdvancedPro/Elite