By Joey Myers — D1 Baseball, Fresno State | Author, Catapult Loading System | NASM-CES · IYCA Youth Fitness Specialist | 20+ years of coaching
Discover this high school softball player 12-week off-season lifting program and core workout PDF — download the free PDF here or keep reading for the full breakdown of what each phase builds and why.
Notes about the PDF lifting program:
- Warm-up should include leg swings, arm circles, high knees, butt kicks, and lunges.
- Cool down with static stretches for major muscle groups after each session.
- For a 5 foot 3 inch, 100-pound female athlete with a 100-pound max bench press, 200-pound max squat, and 250-pound max deadlift, start with a weight that allows you to complete the prescribed sets and reps with proper form. Gradually increase the weight as you get stronger and more comfortable with the movements.
Feel free to use this chart PDF as a handy guide for your 12-week off-season workout plan for high school fastpitch softball players.
Why does off-season training matter for high school softball players?
The off-season is the only extended window a high school softball player has to build new strength and power — once the season starts, the goal shifts to maintenance, not new gains.
As a certified strength coach dedicated to developing fastpitch softball hitting mechanics and athlete performance, I’ve crafted this 12-week off-season workout plan for high school softball players at every level. Whether you’re a high school varsity player or a rising star in the making, this program will help you build the strength and power to perform at your best when the season starts. Get ready to unleash your full potential with this effective training regimen!
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How do you assess a high school softball player’s baseline fitness before starting?
A one-session strength assessment before Week 1 determines the correct load for every exercise in the program — which directly affects results and prevents the most common beginner mistake of starting too heavy and stalling in Week 3.
Before diving into the program, assess your current strength and conditioning level. This will help tailor the plan to maximize gains. We’ll look at your bench press, squat, deadlift, and core stability to create a personalized starting point. The same framework underlies the college softball S&C program — the principles scale at every level.
Here are a couple helpful resources:
- PubMed – Offseason Workout Recommendations for Baseball Players (also applies to Fastpitch Softball),
- PubMed – Effect of Core Training on Skill Performance Among Athletes: A Systematic Review.
What does Week 1–4 of the softball off-season program build?
Weeks 1–4 build the foundational strength that every subsequent phase depends on — without a solid base, the power and sport-specific phases won’t transfer to the field.
During these initial weeks, we’ll focus on building a strong foundation. Emphasis will be on compound movements like squats and deadlifts to increase lower body strength. Core workouts will be introduced to improve stability and rotational power transfer through the swing. Get ready to feel the burn!
What changes in Week 5–8 of the softball off-season program?
Weeks 5–8 shift from building raw strength to converting that strength into explosive power — the kind that shows up as faster bat speed and quicker first steps on the field.
Now that we have a strong base, we’ll incorporate explosive exercises such as power cleans and box jumps to enhance your athletic performance. This phase will help you generate more speed and power, which connects directly to softball hitting performance when the season arrives.
How does Week 9–12 prepare a high school softball player for the season?
Weeks 9–12 take the strength and power built in the first eight weeks and channel them into sport-specific movements that mirror what happens in games — where it counts.
In the final phase, we’ll kick things up a notch and focus on sport-specific movements. This includes agility drills, rotational exercises, and plyometrics. You’ll notice a significant improvement in your overall performance and be ready to take on any challenge that comes your way!
Why is throwing arm care critical in a high school softball off-season program?
Arm care is not optional in the off-season — it’s the highest-return investment a softball player can make in staying healthy and throwing harder when the season starts.
We can’t forget about arm care! Properly caring for your throwing arm is essential for avoiding injuries and maintaining peak performance. The J-Band arm care protocol — 5 minutes before every throwing session — is the most effective and lowest-cost arm maintenance tool at any level from high school through professional softball. I’ll share effective exercises and stretches to keep your arm in top shape throughout the full 12-week cycle.
What core exercises build functional stability for high school softball players?
The core work in this program targets rotational stability and low back resilience — not just abdominal strength, but the obliques, hip flexors, and transverse abdominis that connect the lower and upper halves in both hitting and throwing.
Your core is the powerhouse of your swing and throw. Strengthening your core will not only improve your performance but also protect you from one of the most common performance issues at the high school level — low back strain from rotational overload. I’ll guide you through a variety of core exercises to build functional low back stability and unleash your full potential.
12 Week Off-Season Lifting Program For Softball Players
Here’s a sample 12-week off-season lifting program specifically designed for high school softball players:
Week 1-4: Building a Strong Foundation
Day 1: Lower Body Strength
- Barbell Squats – 4 sets x 8 reps
- Romanian Deadlifts – 3 sets x 10 reps
- Leg Press – 3 sets x 12 reps
- Walking Lunges – 3 sets x 10 reps each leg
Day 2: Upper Body Strength
- Bench Press – 4 sets x 8 reps
- Bent Over Rows – 3 sets x 10 reps
- Shoulder Press – 3 sets x 10 reps
- Bicep Curls – 3 sets x 12 reps
Day 3: Rest and Recovery
Day 4: Power and Explosiveness
- Power Cleans – 4 sets x 6 reps
- Box Jumps – 3 sets x 8 reps
- Medicine Ball Slams – 3 sets x 10 reps
- Plyometric Push-Ups – 3 sets x 10 reps
Day 5: Core Stability
- Plank – 4 sets x 30 seconds
- Russian Twists – 3 sets x 20 reps each side
- Hanging Leg Raises – 3 sets x 12 reps
- Side Plank – 3 sets x 30 seconds each side
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Day 6-7: Rest and Recovery
Week 5-8: Power and Speed
Day 1: Lower Body Power
- Box Squats – 4 sets x 6 reps
- Deadlifts – 3 sets x 8 reps
- Jump Squats – 3 sets x 10 reps
- Single-Leg Romanian Deadlifts – 3 sets x 10 reps each leg
Day 2: Upper Body Power
- Push Press – 4 sets x 6 reps
- Bent Over Rows (Explosive) – 3 sets x 8 reps
- Medicine Ball Chest Throws – 3 sets x 10 reps
- Pull-Ups – 3 sets x 8 reps
Day 3: Rest and Recovery
Day 4: Agility and Speed
- Ladder Drills – 4 sets x 5 reps each
- Cone Drills – 3 sets x 6 reps each
- Shuttle Runs – 3 sets x 4 reps
- Sprints – 10 sets x 50 meters
Day 5: Core Power
- Hanging Windshield Wipers – 4 sets x 8 reps
- Medicine Ball Rotational Throws – 3 sets x 10 reps each side
- Russian Twist with Medicine Ball – 3 sets x 15 reps each side
- Plank with Shoulder Taps – 3 sets x 12 reps each side
Day 6-7: Rest and Recovery
Week 9-12: Sport-Specific Movements
Day 1: Sport-Specific Lower Body
- Split Squats – 4 sets x 8 reps each leg
- Bulgarian Split Squats – 3 sets x 10 reps each leg
- Step-Ups – 3 sets x 10 reps each leg
- Depth Jumps – 3 sets x 8 reps
Day 2: Sport-Specific Upper Body
- Push-Ups with Claps – 4 sets x 8 reps
- Inverted Rows – 3 sets x 10 reps
- Medicine Ball Overhead Throws – 3 sets x 10 reps
- Dips – 3 sets x 8 reps
Day 3: Rest and Recovery
Day 4: Rotational Power
- Medicine Ball Rotational Slams – 4 sets x 8 reps each side
- Russian Twists with Medicine Ball – 3 sets x 15 reps each side
- Standing Cable Woodchoppers – 3 sets x 10 reps each side
- Pallof Press – 3 sets x 12 reps each side
Day 5: Endurance and Conditioning
- Hill Sprints – 6 sets x 30 seconds uphill
- Farmers Carry – 3 sets x 50 meters
- Battle Ropes – 3 sets x 30 seconds
- Burpees – 3 sets x 10 reps
Day 6-7: Rest and Recovery
Remember to warm up before each workout with dynamic stretches and cool down with static stretches after each session. Also, listen to your body and adjust the weight and intensity based on your progress and recovery.
Stay committed, work hard, and have fun as you embark on this 12-week journey to become a stronger, faster, and more powerful softball player! Good luck!
Conclusion
Congratulations on completing the High School Softball Player 12 Week Off Season Lifting Program & Core Workout! You’ve put in the hard work and dedication to elevate your game to the next level. Now, it’s time to step onto the field with confidence, knowing that you’re stronger, faster, and more powerful than ever before. Remember, success doesn’t come overnight, but with consistent effort and determination, you’ll be unstoppable. So, go out there, give it your all, and make your mark in the softball world!
Once the season starts, the goal shifts from building to maintaining. The high school softball in-season S&C program runs 2 days/week, 30 minutes — structured around your game schedule to protect everything you built here.
Frequently Asked Questions: High School Softball Off-Season Lifting Program
How many days a week should a high school softball player lift during the off-season?
Four days per week is the optimal frequency for high school softball players in the off-season — two lower-body strength sessions, one power day, and one sport-specific conditioning day. This volume builds meaningful strength while allowing full recovery between sessions. A practical schedule is Monday, Wednesday, Friday, and Saturday.
When should a high school softball player start the off-season program?
Start the program 2–4 weeks after the season ends to allow full physical and mental recovery. For spring-season players, that typically means an October or November start. Allow a minimum of 12 weeks before the first preseason practice to complete all three phases of the program.
Is this program safe for high school softball players ages 14–18?
Yes, when athletes prioritize form over load. All exercises use compound, bilateral movement patterns appropriate for developing athletes. The program begins at 60% effort in Weeks 1–4 and progresses gradually. Always warm up with dynamic stretching before each session and cool down with static stretches after.
What equipment is needed for the 12-week softball off-season program?
Basic gym equipment is sufficient: a squat rack with barbell, dumbbells (15–60 lbs), resistance bands, a medicine ball (8–12 lbs), and a pull-up bar. Most standard high school weight rooms have everything the program requires. No specialized equipment is needed.
Can a high school softball player do this program and play fall ball at the same time?
Yes. During fall-ball weeks with multiple games, reduce the program to three days per week by dropping the speed and agility session. Reduce total sets by 15–20% on game weeks and prioritize the strength and power sessions. The program is designed to fit around a game schedule rather than compete with it.
How does the off-season program improve batting power and exit velocity?
Compound lower-body movements in Weeks 1–4 build the hip strength that initiates rotational power. Weeks 5–8 add plyometrics and Olympic lifts that develop explosive force production. The medicine ball rotational work and Pallof presses in Weeks 9–12 tie the kinetic chain together and translate directly into faster bat speed at contact.
What is the difference between this off-season program and the in-season S&C program?
The off-season program builds new strength and power over 12 weeks at full training volume (4 days per week). The high school softball in-season S&C program maintains those gains at reduced volume (2 days per week, 30 minutes per session) without accumulating game-day fatigue. The two programs are designed as a complete annual training cycle.
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