21-15-9³ - Crossfit Workout

For time

21-15-9
Knee raises/knees to elbows/T2B
Burpees to target

21-15-9
Wall ball @14/20 lbs
Cal row

21-15-9
Jumping Goblet squats - @12/16 Intermediate: @16/24 RX: @20/28
Cal Row

TC: 21

workout description

“For Time – The 21 Triple Threat”
Time Cap: 21 minutes

Part 1 – 21-15-9:
Knee Raises / Knees to Elbows / Toes to Bar
Burpees to Target

Directly Into – Part 2 – 21-15-9:
Wall Balls @14/20 lbs
Calorie Row

Directly Into – Part 3 – 21-15-9:
Jumping Goblet Squats @12/16 kg
Intermediate: @16/24 kg
RX: @20/28 kg
Calorie Row

Each 21-15-9 couplet is designed to fatigue a different system: gymnastics and jumping in part 1, throw and pull in part 2, and explosive legs with rowing finish in part 3. The challenge lies in pacing transitions while holding intensity across all three.

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What is a "for time" workout?

A for time workout is a classic CrossFit format where the goal is to complete a set list of exercises as fast as possible. Your time becomes your score, making each for time CrossFit workout a race against the clock — and yourself.

In a typical for time workout, you'll perform a fixed number of reps or rounds of movements (e.g., squats, push-ups, burpees, or barbell lifts) and finish them as quickly as you can while maintaining good form. This format pushes you to work hard, manage fatigue, and develop both conditioning and mental toughness.

Why Try a "For Time" CrossFit Workout?

  • Builds intensity and urgency into your training

  • Encourages better pacing, efficiency, and recovery awareness

  • Easy to track progress over time — beat your previous score!

  • Works well for individual or group competition-style workouts

Whether you're doing a short sprint or a long chipper, the for time CrossFit workout format is a powerful way to test your limits and stay motivated in your training.

What kind of exercises are in this workout?

  • jumping goblet squat

    Jumping goblet squats combine a weighted squat with an explosive jump, performed while holding a kettlebell or dumbbell in the goblet position. Often featured in jumping goblet squat workouts, this movement builds power, coordination, and muscular endurance.

    In this workout, jumping goblet squats train the quads, glutes, and calves while enhancing core stability and reactive strength. The added load increases intensity without compromising speed, making it a potent choice for functional conditioning and lower-body explosiveness.

  • burpee to target

    Burpee to target adds an explosive jump to a fixed height after each burpee, turning a classic bodyweight movement into a test of vertical power and precision. Popular in burpee to target workouts, this variation pushes conditioning, accuracy, and repeatability under fatigue.

    In this workout, burpee to target builds cardiovascular endurance, lower-body explosiveness, and mental toughness. The requirement to hit a target—often 6–12 inches above standing reach—forces athletes to maintain power output even when fatigued, making it a staple in competitive functional fitness.

  • wall ball

    The wall ball is a classic CrossFit movement that combines a front squat and an explosive throw, targeting your legs, shoulders, and lungs in one fluid motion. It’s a staple in any high-intensity wall ball workout, known for quickly elevating your heart rate.

    In this workout, wall balls build endurance, coordination, and full-body power. Whether you're using a 10 or 20 lb ball, this simple movement delivers serious results — especially when the reps start adding up.

  • Row Erg

    Rowing is a low-impact, full-body movement that builds cardiovascular endurance, leg drive, and pulling strength. It’s a staple in many CrossFit workouts because it trains both aerobic capacity and muscular coordination.

    In this rowing workout, each effort helps develop power output, pacing control, and total-body stamina — all while being easy on the joints. Whether you're sprinting for calories or pacing for meters, rowing is one of the most effective tools for conditioning.

  • T2B

    Toes to bar is a powerful gymnastics movement that targets your core, grip, lats, and hip flexors, making it a key element in many high-intensity toes to bar workouts.

    In this workout, toes to bar challenge your core strength, rhythm, and coordination while under fatigue. Whether you're kipping or going strict, it’s an essential skill for improving gymnastics capacity and midline control in CrossFit.

  • knee raises

    Knee raises are a core-focused gymnastics movement that builds abdominal strength, hip flexor control, and grip endurance. Common in beginner and advanced knee raise workouts, they’re performed hanging from a pull-up bar, bringing the knees toward the chest.

    In this workout, knee raises train midline stability and coordination, making them a great progression toward toes-to-bar. Whether strict or kipping, knee raises are an effective and scalable movement for developing strong, functional core strength.

  • knees to elbows

    Knees to elbows is a gymnastics-based core movement performed hanging from a pull-up bar, where the knees are driven upward to make contact with the elbows. Frequently featured in knees to elbows workouts, it trains core strength, grip endurance, and body control—all under tension.

    In this workout, knees to elbows develop midline stability, lat activation, and coordination, serving as a foundational skill for more advanced movements like toes-to-bar. They’re an effective way to build functional core strength while improving shoulder and hip mobility in dynamic settings.

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