When it comes to challenging your lower body with just your bodyweight, few movements hit harder than jumping lunges. They combine unilateral leg strength, balance, coordination, and cardiovascular burn in one explosive movement.
In this RB100 Challenge, the goal is to complete 100 alternating jumping lunges. That’s 50 reps per leg, delivered with precision and control. Whether you do them unbroken or in blocks, this will build real athletic capacity.
“When the legs want to quit, the mind needs to push harder. Jumping lunges build power, but they also build resilience.” — RB100.Fitness
Challenge Format
- Reps: 100 alternating lunges (50 per leg)
- Standard: Knee grazes the floor, upright torso, soft landing with control
- Goal Time: Under 5 minutes for advanced, under 10 for beginners
- Scaling:
- Beginner: Reverse or walking lunges
- Advanced: Add a weighted vest or perform EMOM sets
You can split the reps however needed:
- 4 × 25
- 5 × 20
- 10 × 10
- Or go unbroken for a high-skill test of fatigue resistance
Be sure to warm up hips, ankles, and knees before attempting your 100.
Track your time, rep structure, and modifications in the RB100 Tracker.
Why It Works
Jumping lunges develop:
- Powerful hip and knee extension
- Eccentric control through landing
- Unilateral strength balance
- Cardiovascular and muscular endurance
- Core stability under dynamic movement
Because you’re moving explosively from a deep position repeatedly, you train both athleticism and grit in one efficient format.
This movement transfers well to sprinting, trail running, HYROX-style events, and even team sports where leg drive and deceleration matter.
Variations
- Power Focus: Pause at the bottom to reduce bounce
- Endurance Focus: Go light and fast, rest only as needed
- Loaded Version: Use dumbbells or a vest
- Explosive EMOM: 10–12 reps per minute for 10 minutes
Pair it with #69: Farmer’s Carries or #64: Battle Rope Slams for a potent lower-body + power circuit.
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