Workout Description

Why This Workout Is Hard

This workout combines moderate-to-heavy loads (56kg farmer carry, 24kg lunges) with high volume and continuous work. Five 1km runs total 5km of running, creating significant aerobic demand. The KB goblet thrusters (100 reps) and double unders (200 reps) accumulate fatigue. Critically, each station follows a 1km run when legs are already fatigued, forcing athletes to perform heavy movements in a compromised state. The combination of running volume, grip demands, and leg fatigue makes this challenging for average CrossFitters, though not impossible as prescribed.

Benchmark Times for Five K's Revenge

• Elite: <34:00
• Advanced: 38:00-42:30
• Intermediate: 48:30-56:00
• Beginner: >100:00

Training Focus

This workout develops the following fitness attributes:

• Stamina (9/10): High volume of repetitions across multiple movements: 100 thrusters, 200 double unders, 200m farmer carry, 100m lunges, and burpee broad jumps test sustained muscular output and fatigue resistance.
• Endurance (8/10): Five 1 km runs totaling 5 km demand sustained aerobic capacity. The for-time format with continuous movement between stations creates significant cardiovascular demand throughout the entire workout.
• Speed (7/10): For-time format demands consistent pacing and quick transitions between stations. Double unders and burpee broad jumps require fast cycling. Running between stations adds time pressure throughout.
• Power (7/10): Double unders, burpee broad jumps, and KB thrusters all require explosive movement. However, high fatigue accumulation from volume and running reduces explosive capacity as workout progresses.
• Strength (6/10): Moderate loads used: 16kg KB thrusters, 56kg farmer carry, and 24kg shoulder carry require meaningful force production. However, not maximal strength; more about strength-endurance under fatigue.
• Flexibility (4/10): Goblet thrusters and loaded lunges demand moderate hip and ankle mobility. Farmer carries and burpee broad jumps require basic range of motion but nothing extreme or specialized.

Movements

• Run
• Kettlebell Thruster
• Double-Under
• Farmer Carry
• Walking Lunge
• Burpee Broad Jump

Scaling Options

Runs: reduce to 800 m per segment for newer athletes or those with movement or injury limitations. KB goblet thrusters: reduce to 12 kg or 8 kg, and drop reps to 60–75 if 100 reps is out of reach in a reasonable timeframe. Double unders: sub 400 single skips or 100 penguin jumps; if double unders are being practiced, cap attempts at 5 minutes per break and move on. Farmer carry: reduce load to 2x16 kg or 2x20 kg total; reduce distance to 100–150 m. Walking lunges: reduce load to 16 kg or bodyweight; reduce distance to 60–80 m. Burpee broad jumps: reduce to 60 m or sub standard burpees with a small forward hop. For very novice athletes, consider removing one run segment entirely or running the full course but walking the last 200 m of each km.

Scaling Explanation

An athlete should scale if they cannot run 1 km comfortably in under 7 minutes, cannot perform 15 consecutive goblet thrusters at the prescribed weight, or have not yet developed reliable double under mechanics. The priority in this workout is maintaining movement quality throughout — particularly in the lunges and farmer carry, where a fatigued spine and knees are vulnerable. If an athlete is finishing beyond 80 minutes, the stimulus becomes more survival than training adaptation. Scale loads, distances, or reps to keep completion time in the 45–70 minute window. Intensity here is relative: you should be working hard but never so hard that you stop moving for more than 30–45 seconds at a time. Technique always takes priority over Rx — a rounded back under a heavy farmer carry or collapsing knee drive in the lunge is a non-negotiable reason to reduce load.

Intended Stimulus

This is a long-duration grind — expect 45 to 75+ minutes of sustained effort across five distinct stations, each bookended by a 1 km run. The energy demand is a long steady engine test: aerobic capacity, muscular endurance, and mental toughness are all taxed simultaneously. The primary challenge is not any single movement but the cumulative fatigue of managing five loaded stations while your legs are repeatedly pre-fatigued from running. The runs serve as active transitions that also punish poor pacing. This workout builds aerobic base, loaded movement efficiency under fatigue, and mental resilience — the kind of session that teaches athletes how to keep moving when everything wants to stop.

Coach Insight

The runs are the thread holding this workout together — go out too hot and you will blow up on the thrusters or the lunges and lose far more time than you saved. Aim for a comfortable aerobic pace on runs, around 5:30–6:30 per km depending on your fitness level. On the 100 KB goblet thrusters at 16 kg, break early and often — sets of 10–15 with short 5–10 second rest breaks will outperform big sets followed by long recoveries. Keep your chest tall in the squat and use hip drive aggressively to save your shoulders. For the 200 double unders, find a rhythm immediately; if you trip, reset your breathing before restarting, do not panic. The farmer carry at 56 kg total load is a grip and posture test — stand tall, brace the core, and walk with purpose; do not allow the shoulders to round or the lower back to dump. Break it into 50 m segments if needed. The loaded walking lunges with 24 kg on the shoulder are the sleeper — your legs will be heavily fatigued here, so shorten your stride slightly, keep the torso upright, and do not rush. Finally, the burpee broad jumps are your last 80 meters — this is a pure grit finish. Jump as far as each rep allows, land soft, and immediately kick back into the burpee. Common mistakes to avoid: going too fast on the first run, taking unplanned long rest breaks rather than planned short ones, letting the forward lean collapse during farmer carry, and panicking on double under trip-ups.

Benchmark Notes

Primary limiters are cumulative 5 km running volume, the heavy farmer carry (56 kg is a genuine strength tax), and double under skill degrading under cardio fatigue. L5 (~60 min) paces runs at ~5:00/km average, breaks thrusters in sets of 20-25, takes 4-5 rest stops on the carry, and grinds the burpee broad jumps at a sustainable pace.

Modality Profile

6 total movements: Run (M), Kettlebell Thruster (W), Double-Under (G), Farmer Carry (W), Walking Lunge (G), Burpee Broad Jump (G). Breakdown: 3 Gymnastics movements (50%), 1 Monostructural (17%), 2 Weightlifting movements (33%). Rounded to nearest 10%: G=33%, M=17%, W=50%.