Workout Description

Why This Workout Is Hard

This workout combines 45 total thrusters at 95/65 lb with three distinct burpee variations (27 burpee pull-ups/box jumps/bar-overs) totaling 45 burpee-style reps. The thrusters accumulate significant leg and shoulder fatigue, which directly compromises the burpee movements. The descending thruster scheme offers slight relief, but the increasing burpee complexity keeps intensity high throughout. Expect 15-22 minutes for average athletes with mandatory breaks.

Benchmark Times for William Burke Jr.

• Elite: <3:30
• Advanced: 4:00-4:35
• Intermediate: 5:15-6:05
• Beginner: >12:45

Training Focus

This workout develops the following fitness attributes:

• Stamina (9/10): 45 total thrusters plus 45 burpee-based reps demand significant muscular endurance in legs, shoulders, and core. The cumulative fatigue across all movements makes stamina a primary limiting factor.
• Endurance (7/10): The descending thruster scheme combined with three burpee variations creates sustained cardiovascular demand. Athletes must maintain aerobic output across all six movements without rest, elevating heart rate throughout.
• Speed (7/10): For-time format incentivizes fast transitions and efficient cycling. Burpee variations and thruster sets reward athletes who can move quickly without sacrificing form under accumulated fatigue.
• Power (7/10): Box jumps, bar-over burpees, and thruster drive phases all require explosive hip extension. The repeated power output across high rep counts makes this a meaningful power-endurance challenge.
• Flexibility (5/10): Thrusters require overhead mobility and squat depth, while burpee pull-ups demand shoulder flexibility. Box jumps and bar-over burpees add hip flexor and ankle mobility demands throughout.
• Strength (5/10): Thrusters at 95/65 lb represent moderate loading that challenges strength endurance rather than maximal force. The weight is significant enough to cause fatigue but not a true strength stimulus.

Movements

• Thruster
• Burpee Box Jump
• Burpee Pull-Up
• Burpee Over Bar

Scaling Options

Weight: Reduce thrusters to 75/55 lb for intermediate athletes or 65/45 lb for newer athletes — the barbell should feel challenging but never a grind from rep one. Burpee Pull-Ups: Sub jumping pull-ups (jump to bar from standing) or burpee ring rows to maintain the pulling demand without requiring strict or kipping pull-up capacity. Burpee Box Jumps: Reduce box height to 12 in or sub burpee step-ups to protect knees and manage fatigue. Bar Over Burpees: Keep as-is for most athletes — step over the bar if needed to maintain pace. Volume: Consider a 15-12-9 rep scheme for thrusters with 7-12-15 on the burpee variations if the full volume feels excessive for the athlete's current fitness level.

Scaling Explanation

Scale the thruster weight if you cannot perform at least 10 unbroken reps at Rx load when fresh — grinding heavy thrusters early will destroy your ability to sustain intensity through the burpee variations. Scale burpee pull-ups if you have fewer than 5 consistent kipping pull-ups; the goal is to keep moving, not hang from the bar struggling. Prioritize intensity over Rx — this workout's stimulus lives in the sustained discomfort of moving continuously for 12-20 minutes. If an athlete is projected to exceed 25 minutes, reduce reps or weight to keep them in the intended time domain. Athletes should finish feeling like they left everything on the floor, not like they survived a grind.

Intended Stimulus

This is a moderate-to-hard effort workout targeting a 12-20 minute time domain. The descending thruster ladder paired with three distinct burpee variations creates a relentless conditioning stimulus that taxes both your aerobic engine and muscular endurance. Expect a hard sustained effort — your lungs and legs will be screaming simultaneously. The primary challenge is mental and conditioning-based: managing fatigue across three different burpee movements while keeping the barbell moving on thrusters. The workout rewards athletes who pace intelligently early and stay composed when the body wants to quit.

Coach Insight

The opening 21 thrusters set the tone for the entire workout — go out too hot and you'll pay dearly on the burpee pull-ups. Aim for 2-3 manageable sets on the 21s (try 12-9 or 8-7-6) rather than grinding through a painful set of 15+ that leaves you gassed. Burpee pull-ups are the most demanding movement here — control your breathing on the way down and use a strong kip to save your arms. On the 15 thrusters, push the pace slightly since you're heading into box jumps, not another pull-up variation. Burpee box jumps reward a steady rhythm — find a cadence and lock in. The final 9 thrusters should be aggressive, ideally 1-2 sets max. Finish strong on bar over burpees by staying low and efficient — step up if needed to preserve speed. Key mistake to avoid: treating each section as isolated. Think of this as one continuous piece and manage your heart rate throughout. Transitions should be immediate — no standing around between movements.

Benchmark Notes

21-15-9 thrusters at 95/65 lb, each set followed by a burpee variation: 9 burpee pull-ups, 15 burpee box jumps, then 21 bar-over burpees. L5 (6:05-7:05) breaks the 21 thrusters once. L10 (under 3:30) goes unbroken.

Modality Profile

4 movements total: Thruster (W), Burpee Pull-Up (G - bodyweight combo), Burpee Box Jump (G - bodyweight combo), Burpee Over Bar (G - bodyweight). 3 Gymnastics movements and 1 Weightlifting movement = 75% G, 0% M, 25% W.

Similar Workouts to William Burke Jr.

If you enjoy William Burke Jr., you might also like these similar CrossFit WODs:

• Robert Crawford (90% similar) - For Time 50 Clean-and-Jerks (95/65 lb) 50 Burpees...
• Thomas Mignione (90% similar) - 4 Rounds for Time 5 Squat Clean Thrusters (135/95 lb) 10 Burpees 20 Double-Unders...
• David Fontana (90% similar) - For Time 100 Double-Unders 50 Squat Clean Thrusters (65/45 lb) 25 Box Jumps (30/24 in)...
• Car Wash (89% similar) - For Time 55 Power Cleans (135/95 lb) * Every minute on the minute starting at 0:00 perform 5 Toes-to...
• Robert King Jr. (89% similar) - AMRAP in 10 minutes 5 Push Presses (60% of 1RM) 5 Sit-Ups 5 Handstand Push-Ups 5 Sit-Ups...
• David DeRubbio (89% similar) - 21-15-9 Reps for Time Deadlifts (245/165 lb) Box Jumps (24/20 in) Pull-Ups...
• Joseph Gullickson (89% similar) - For Time 101 Ground-to-Overheads (75/45 lb) 101 Doble-Unders...
• AGQ 22.1 (88% similar) - 3 Rounds for Time: 20 Toes-to-Bars 20 Alternating Dumbbell Snatches (70/50 lb) Time Cap: 10 minutes...

These WODs similar to William Burke Jr. share comparable training demands, time domains, and movement patterns.