Workout Description
for time:
20 thrusters @ 115 lbs
18 echo bike calories
80 double unders
20 thrusters @ 115 lbs
18 echo bike calories
80 double unders
20 thrusters @ 115 lbs
18 echo bike calories
80 double unders
Time cap: 18 minutes
Why This Workout Is Hard
This workout combines moderate loading (115 lbs thrusters) with high volume (60 total thrusters) and significant skill demands (240 double unders) in a continuous format with minimal built-in recovery. The repeating 3-round structure creates cumulative fatigue where thrusters become increasingly difficult as grip and legs tire. Echo bike provides brief active recovery but insufficient to fully reset. The 18-minute cap pressures pacing. Average athletes will experience significant metabolic demand and movement quality degradation, requiring most to scale either weight or double-under volume.
Training Focus
This workout develops the following fitness attributes:
- Stamina (8/10): High volume of repetitions across three rounds tests muscular endurance significantly. Sixty thrusters, 240 double unders, and bike calories create substantial fatigue accumulation requiring sustained output despite mounting fatigue.
- Endurance (7/10): Three rounds of moderate-intensity work with sustained cardiovascular demand. The combination of thrusters, bike, and double unders maintains elevated heart rate throughout the 18-minute window without true marathon pacing.
- Speed (7/10): For-time format demands consistent cycling and quick transitions between movements. Double unders require rapid footwork, and maintaining pace on the bike under fatigue is critical for sub-18-minute completion.
- Power (6/10): Thrusters and double unders both require explosive hip extension and arm drive. However, fatigue accumulation and moderate loading reduce peak power expression, creating a power-endurance hybrid stimulus.
- Strength (5/10): 115 lbs thrusters represent moderate load—challenging but not maximal. The 60 total reps demand strength-endurance rather than pure strength, with fatigue interference limiting peak force production as rounds progress.
- Flexibility (3/10): Thrusters require overhead mobility and hip flexibility, but demands remain moderate. Double unders and bike work require minimal range of motion, keeping overall flexibility demands relatively low.
Movements
- Thruster
- Air Bike
- Double-Under
Scaling Options
Weight reduction: Scale thrusters to 95 lbs for strong athletes who struggle with 115 lbs for 60 total reps, or 75 lbs for intermediate athletes. For newer athletes, 55-65 lbs maintains the intended stimulus. Echo bike: Reduce calories to 12-14 per round if 18 calories takes longer than 90 seconds consistently. Double unders: Sub 40 single-under attempts with a jump rope or 160 single unders per round if double under skill is limiting. Athletes with no rope: substitute 40 tuck jumps or 1 minute of rapid step-ups. Volume modification: Consider reducing to 15 thrusters per round and 14 echo bike calories if the full volume is unrealistic within the time cap. For beginners, a 2-round version maintains the stimulus without the crushing third round.
Scaling Explanation
An athlete should scale if they cannot perform at least 8-10 unbroken thrusters at the prescribed weight when fresh, or if 18 echo bike calories takes more than 100 seconds at a working pace. The goal is to finish all three rounds within the 18-minute time cap with meaningful intensity — athletes who are still on round two thrusters at the 15-minute mark have likely missed the stimulus entirely. Prioritize intensity over Rx weight: a well-executed workout at 95 lbs with consistent pacing delivers far more adaptation than grinding through 115 lbs with form breakdown and time cap failure. Technique breaks down first on the thrusters — watch for early arm press before full hip extension, which signals the weight is too heavy or fatigue is too deep. Scale to protect the lower back and shoulders. Target completion time for well-scaled athletes is 15-17 minutes with serious effort in the final round.
Intended Stimulus
This is a moderately long, high-output grind lasting 14-18 minutes for most athletes. The three identical rounds create a sustained, punishing effort that demands both strength endurance and cardiovascular capacity simultaneously. The primary challenge is muscular endurance and mental toughness — the thrusters at 115 lbs are heavy enough to force breaks, the echo bike demands raw output, and the double unders require skill under fatigue. Energy demand is a hard sustained effort with no true recovery period between movements — each station bleeds into the next, keeping your heart rate elevated throughout. Expect your legs to be the limiting factor across all three movements.
Coach Insight
Pacing is everything here — the athletes who blow out on round one thrusters will suffer badly by round three. Treat the first round conservatively, targeting 70-75% effort on the bike and breaking thrusters early and often. For thrusters at 115 lbs, plan intentional sets from the start: think 8-7-5 or 7-7-6 with short, controlled rest rather than going unbroken and burning out. Do NOT chase unbroken sets in round one — your lungs are lying to you. On the echo bike, aim for a consistent, sustainable wattage across all three rounds rather than a sprint; a 10-15 calorie pace that feels manageable is better than a death sprint that destroys your legs for the thrusters. For double unders, use a consistent rhythm and breathe — this is your relative recovery window, so stay calm, keep your elbows in, and avoid panic tripping. Common mistakes: going too hard on the first bike effort, letting thruster form collapse (watch for early morning hip extension dying), and rushing back into thrusters after the double unders without a 5-10 second reset breath. Key tip: transition fast between movements but be deliberate at the start of each thruster set.
Modality Profile
Three unique movements across three modalities: Thruster (W - external load barbell movement), Air Bike (M - cyclical cardio), Double-Under (G - bodyweight jump rope coordination skill). Equal distribution across modalities: 33% Gymnastics, 33% Monostructural, 34% Weightlifting.