Workout Description
For time:
21-15-9
21 thrusters @ 115 lbs
21 bar facing burpees
20 echo bike calories
15 thrusters @ 115 lbs
15 bar facing burpees
20 echo bike calories
9 thrusters @ 115 lbs
9 bar facing burpees
20 echo bike calories
time cap: 13 min
Why This Workout Is Hard
The 115lb thrusters are moderate-light for average athletes, but the workout's structure creates significant fatigue accumulation. The 21-rep opening set of thrusters immediately followed by 21 bar-facing burpees (a high-skill, demanding movement) taxes both legs and grip. The repeated 20-calorie bike segments provide minimal recovery between barbell and gymnastics work. Most average athletes will complete this in 10-12 minutes, creating sustained intensity. The combination of moderate load, high volume, movement interference, and continuous work-to-rest ratio pushes this into Hard territory.
Benchmark Times for Thruster Coaster
- Elite: <8:59
- Advanced: 10:05-11:09
- Intermediate: 13:00-7:17.5
- Beginner: >0:52
Training Focus
This workout develops the following fitness attributes:
- Stamina (8/10): High rep ranges (21-15-9) of thrusters and burpees create significant muscular endurance demands. Repeated lower body and core work fatigues stabilizer muscles while maintaining output under fatigue.
- Endurance (7/10): The 13-minute time cap with continuous cycling and repeated barbell work demands sustained cardiovascular output. Echo bike calories maintain aerobic demand throughout, testing heart rate management and oxygen utilization capacity.
- Speed (7/10): For-time format with 13-minute cap demands quick movement cycling and minimal transitions. Athletes must balance intensity with sustainability, requiring strategic pacing and efficient movement transitions throughout.
- Power (6/10): Thrusters and burpees are inherently explosive movements requiring rapid force generation. The descending rep scheme allows faster cycling early, though fatigue reduces power output in later rounds.
- Strength (5/10): 115 lbs thrusters represent moderate loads requiring force production, but not maximal strength. The descending rep scheme allows heavier loading than pure endurance work, balancing strength with metabolic demand.
- Flexibility (4/10): Thrusters require overhead mobility and hip flexibility. Bar-facing burpees demand shoulder and thoracic mobility. Demands are moderate; limited extreme range of motion requirements compared to gymnastics-heavy workouts.
Movements
- Thruster
- Bar-Facing Burpee
- Air Bike
Scaling Options
Weight: Reduce thrusters to 95 lbs for strong intermediates or 75 lbs for athletes newer to barbell cycling under fatigue. Movement subs: Replace bar-facing burpees with regular burpees or step-over burpees to reduce the jump demand. Reduce echo bike to 15 calories per round if 20 calories takes longer than 90 seconds consistently. Volume: Reduce to 15-12-9 rep scheme for athletes who struggle with thruster cycling or have limited burpee capacity. Rower or ski erg can substitute for the echo bike at equivalent calories.
Scaling Explanation
Scale the weight if you cannot complete at least 10 unbroken thrusters at the prescribed load when fresh — barbell cycling under fatigue requires a buffer. Scale the burpee volume if your pace drops below one rep per 4 seconds, as this kills the sprint stimulus. The goal is to finish in 10-12 minutes; if you are consistently hitting the 13-minute cap without coming close, reduce weight or reps to restore intensity. Prioritize intensity over load — a fast, breathless workout at 95 lbs delivers far more stimulus than a grinding, broken effort at 115 lbs. Athletes with limited aerobic capacity on the bike should scale calories to 15 to stay within the intended time window.
Intended Stimulus
This is a sprint-style effort with a hard 13-minute time cap designed to be completed in 10-12 minutes for competitive athletes. The energy demand is a sustained, high-output assault — think 'redline and hold on.' The descending rep scheme gives psychological relief, but the 60 total echo bike calories act as a punishing reset between each thruster/burpee couplet. The primary challenge is metabolic: can you push the bike hard enough to exit with legs that still work for thrusters? Expect burning lungs, heavy legs, and a strong mental test as fatigue compounds across all three rounds.
Coach Insight
The bike is the great equalizer here — do NOT sandbag it. Aim for 20 calories in under 60-75 seconds each time. If you coast on the bike to 'recover,' you waste time and lose the sprint stimulus. For thrusters at 115 lbs, the round of 21 is the danger zone: consider splitting 12-9 or 8-7-6 from the start rather than going unbroken and burning out. Bar-facing burpees should be paced but efficient — step up if needed, but stay moving with no pauses. The round of 15 is psychologically the hardest; athletes tend to slow here thinking the 9s will save them. Transitions from burpees to the bike should be immediate — no chalk breaks, no standing around. Key cue on thrusters: drive through the heels and use the hip extension to pop the bar overhead, saving your shoulders. Common mistakes: going unbroken on the 21 thrusters and dying on the burpees, and spinning easy on the bike treating it as rest.
Benchmark Notes
The 20 echo bike calories each round (60 total) act as a mandatory aerobic tax on top of heavy 115 lb thrusters, making cumulative fatigue the primary limiter; most athletes L5 and below will hit the 13-minute cap. L5 finishes through the round-2 thrusters and burpees but stalls on the second bike segment (~120 reps), while L6+ athletes benefit from unbroken or 2-set thrusters in the 9s and sustained echo bike output to squeak under cap.
Modality Profile
Three unique movements across different modalities: Thruster (W - barbell external load), Bar-Facing Burpee (G - bodyweight gymnastics movement), Air Bike (M - cyclical cardio). Even distribution across all three modalities results in approximately 33/33/34 split.