High-volume bodyweight work (approx. 650 total reps) with compounding fatigue across push-ups, core, and legs. No external load or advanced skills, but the duration typically runs 25–45 minutes for most athletes. The challenge is sustained pacing, muscular endurance, and maintaining movement standards under fatigue.
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DT is a barbell-only triplet totaling 135 reps at a heavy 155/105 lb. Work density is moderate, but movement complexity is advanced due to cycling hang cleans and jerks. Most finish in 7–12 minutes, with grip and barbell stamina as primary limiters. The load, cycle speed, and time domain create significant stress without extreme volume, placing it firmly in the Hard tier.
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Long duration with high-rep bodyweight movements and 2,400 meters of running total. Volume is 432 reps across squats, push-ups, and lunges, which taxes muscular endurance, especially push-ups, while the runs keep heart rate elevated. Basic skills but cumulative fatigue makes pacing crucial. Typical finish ranges 25–45 minutes for most athletes.
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High-skill gymnastics (HSPU), heavy barbell loading for thrusters and deadlifts, and significant grip demands stack up over 7 rounds and 49 total reps per movement. Most athletes face 35–60 minutes of work with minimal rest. The combination of volume, loading, and skill places this firmly in the “extremely hard” category, demanding robust stamina and pacing.
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Bert is a long, high-volume bodyweight chipper with six 400m runs interspersed between big sets of burpees, push-ups, lunges, and squats. While the movements are simple, the sheer volume, repeated interference of similar patterns, and duration (often 50–70 minutes for average athletes) create major muscular stamina and aerobic demands. Pacing, mental toughness, and strict movement standards make this a very challenging test.
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Donny is a heavy barbell-and-burpee couplet with 180 total reps and 90 deadlifts at 225/155 lb. It blends posterior-chain stamina with high heart rate from burpees. Most athletes will work 12–20 minutes, with grip and back fatigue limiting speed. The repeated 9s in the center punish pacing errors, making consistent sets and smart breaks essential.
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This workout combines significant barbell cycling (115/75) with repeated burpee sets that prevent recovery. The complex Olympic lifts (snatch, jerk, clean) must be performed while fatigued, increasing technical demands. The burpees between each barbell movement create continuous metabolic stress, while the ascending complexity of lifts (thruster→snatch→jerk→clean→OHS) challenges technique as fatigue accumulates. Most athletes will require breaks and struggle with maintaining form.
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Twenty minutes of cyclical work with moderate loading and simple movements creates sustained fatigue. The barbell push press encourages fast cycling, kettlebell swings tax hips/grip, and box jumps drive heart rate. Skill requirements are low, but cumulative volume (300+ reps for many) and pacing demands elevate difficulty.
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Chad is a massive, single-movement grind: 1,000 step-ups on a 20-inch box while wearing a 45/35 lb ruck. The movement is simple, but the sheer volume, unilateral fatigue, and long time domain (often 50–90+ minutes) drive difficulty. Load plus high reps create significant muscular endurance demands and mental toughness requirements, even for well-trained athletes.
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The high rep count (129 total reps) combined with the descending rep scheme (74-44-11) creates significant metabolic fatigue. Burpees at the start immediately tax the system, making the push-ups much harder. The continuous nature without built-in rest periods means athletes must self-pace carefully. While movements are basic, the volume and sequencing create a challenging metabolic workout that will take 12-18 minutes for average athletes.
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Huge volume (480 total reps) with 240 loaded reps (kettlebell swings and clusters) and long effort in the 30–40 minute window makes this a grind. Movement complexity averages moderate-high due to the cluster. Work density is modest per minute, but the heavy-volume modifier applies, pushing it into the Hard range for most athletes.
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A long chipper with eight 400m runs (2 miles total) and seven demanding sets of 20, including heavy deadlifts, technical overhead squats, and chest-to-bar pull-ups. The combination of volume, heavy loading, grip fatigue, and sustained pacing pushes most athletes beyond 35 minutes, often past 45 minutes, making it an extremely challenging test of endurance and stamina.
Scaling suggestions available
