The Youth Athlete’s Guide to Speed, Agility & Strength Training

Train with qualified supervision: Use an instructor experienced with children, developmentally appropriate equipment and gradual progression. Technique comes before load. These examples are not rehabilitation or medical clearance. Stop painful activity. Seek medical guidance for existing injuries or health conditions before starting. Include warm-up, cooldown, nutrition and recovery. AAP guidance.

Baseball and softball are skill sports. They are also athletic sports. A hitter needs strength and speed to move the bat. An infielder needs to react, accelerate, stop and throw. An outfielder needs to sprint. A pitcher needs to produce and transfer force. A catcher repeatedly moves in and out of low positions. A baserunner may have only a few steps to create an advantage. That means player development should include more than hitting, pitching and fielding. Young athletes also need to become: Stronger. Faster. More powerful. More coordinated. But youth athletic development should not look like shrinking an adult professional program until it fits a 10-year-old. The priorities change with age, maturity and training experience. Here is how to approach it.

First: Strength Training Is Not the Same as Bodybuilding

When parents hear: “strength training” they may picture maximal barbell lifts or adult gym culture. Youth strength training can be far simpler. It can include:

• Squats
• Lunges
• Push-ups
• Rows
• Carries
• Step-ups
• Hinge patterns
• Medicine-ball throws
• Jumps
• Resistance bands
• Appropriate free weights

The objective is developing force and movement competency. A large systematic review and meta-analysis in youth athletes found resistance training improved muscular strength and jump performance and also produced smaller improvements in sprint, agility and sport-specific performance. Source. Strength training is therefore not just about lifting heavier weights. It supports athletic performance.

Children Should Learn Movement Before Chasing Load

For beginners, the first progression is often: Can the athlete control the movement? before: How much can the athlete lift? A young athlete should learn foundational patterns such as:

• Squat
• Hinge
• Split stance
• Push
• Pull
• Carry
• Brace
• Jump
• Land
• Sprint

Load can gradually increase after technique becomes consistent.

What Is Speed?

Speed training often gets reduced to: Run sprints. That is incomplete. Baseball and softball players need several speed qualities. Acceleration How quickly can the athlete build speed? This is especially important because many game actions occur over short distances. Maximum velocity How fast can the athlete ultimately run? This still matters, especially for outfielders and older athletes. Reaction How quickly does movement begin after useful information appears? Deceleration Can the athlete stop effectively? Reacceleration Can the athlete change direction and move again? The game rarely asks: “How fast can you run 100 meters in a straight line?” It often asks: “How quickly can you get five yards that way?”

Train Short Acceleration

For many baseball and softball players, productive sprint distances include:

• 5 yards
• 10 yards
• 15 yards
• 20 yards

Athletes should learn to: Project forward. Push the ground away. Accelerate through the first steps. Do not turn every speed session into conditioning. Full-speed sprinting requires adequate rest between reps. If an athlete is exhausted and progressively getting slower, the session has shifted away from high-quality speed training.

Sprinting Is a Skill

Young athletes should sprint. Not only ladder drill. Not only shuffle. Not only cone drill. Actually sprint. Resisted sprinting can also become useful for appropriately developed athletes. A recent systematic review found both resisted and unresisted sprint training improved linear sprint and change-of-direction performance, with resisted sprinting showing particular benefit for initial 0–10 m acceleration in the analyzed youth groups. Source. But resistance should not be so heavy that the athlete stops sprinting naturally.

What Is Agility?

Agility is commonly confused with change of direction. They are related. They are not identical. Change of direction The athlete knows where to go. Example: Sprint 5 yards right, cut and go left. Agility The athlete must perceive information and react. Example: Infielder reads a ball. Outfielder reacts to contact. Runner responds to a coach or defense. A cone drill can improve movement skill. It does not automatically create game agility. Eventually, athletes need reaction-based work.

Stop Treating the Agility Ladder Like a Speed Program

Ladders can help with:

• Rhythm
• Coordination
• Warm-up
• Foot-placement tasks

They do not replace:

• Sprinting
• Jumping
• Deceleration
• Cutting
• Strength
• Reaction

Fast feet inside a ladder are not automatically fast baseball feet. Use the tool for the quality it actually trains.

What Is Power?

Strength is the ability to produce force. Power is the ability to produce force quickly. Baseball and softball depend heavily on rapid force production. Examples:

• Swinging
• Pitching
• Throwing
• Sprint acceleration
• Jumping
• Quick defensive movement

Plyometric training is one tool for developing explosive qualities. A 2026 systematic review and meta-analysis involving 63 adolescent studies found plyometric training improved jump, sprint and agility performance. Source. Another 2026 meta-analysis of adolescent team-sport athletes reported improvements in several physical-fitness measures. Study populations and programs varied; these findings are not a universal jump-volume prescription. Source. More is not automatically better.

Useful Power Exercises

Depending on age and experience:

• Pogo jumps
• Broad jumps
• Vertical jumps
• Lateral bounds
• Low hurdle jumps
• Medicine-ball chest throws
• Rotational medicine-ball throws
• Scoop tosses
• Short explosive sprints

The athlete should perform power exercises while fresh enough to move explosively. Fatigue defeats the purpose.

Strength Training for Baseball and Softball

A balanced program can develop: Legs Squat variations Split squats Step-ups Lunges Posterior chain Hinge variations Appropriate deadlift variations Hip extension Upper body Push-ups Rows Pulling variations Pressing variations when appropriate Trunk Carries Anti-rotation Anti-extension Rotation Athletic power Jumps Medicine-ball throws Sprints The exact exercise is less important than the movement quality and appropriate progression.

Softball Athletes Need Real Strength Training Too

Girls should not receive a watered-down athletic program simply because they play softball. A 2024 study of high-school softball players examined associations between lower-body strength and performance tests. Associations do not prove that one exercise program will cause better game performance or apply equally to every child. Source. Softball athletes should be encouraged to become: Strong. Fast. Powerful. Athletic. The program should be individualized for maturity and experience—not reduced because of sex.

What Younger Athletes Need

Approximately 6–9 — illustrative, not an eligibility rule Think broad athletic development. Use:

• Running
• Jumping
• Skipping
• Hopping
• Crawling
• Throwing
• Bodyweight strength
• Games
• Coordination challenges

Keep the environment playful. Approximately 10–12 — readiness still matters Begin more structured teaching:

• Squat
• Hinge
• Split stance
• Push
• Pull
• Carry
• Sprint mechanics
• Landing mechanics
• Medicine-ball work

External resistance can be introduced appropriately when technique and supervision are good. Approximately 13–15 — progression is individualized Training can become more progressive. Add:

• Greater resistance
• More structured strength work
• Formal sprint sessions
• Plyometric progressions
• Planned power training
• Position-specific conditioning

Approximately 16–18 — experience before intensity Mature and experienced athletes can move toward more individualized high-performance programming. But age alone does not determine readiness. Training experience matters.

How Many Days per Week?

For many developing athletes: Two or three well-designed sessions on nonconsecutive days can be a useful starting framework when appropriate to the athlete. A qualified coach should adapt frequency to training history and the full sport schedule. That does not mean every athlete should automatically add three gym sessions on top of an overloaded baseball schedule. The total week matters. The American Academy of Pediatrics warns about the imbalance between high training loads and inadequate recovery in young athletes. Source. In season, strength work may be reduced to maintain progress while accommodating games and practices. Offseason periods allow more emphasis.

A Sample 45-Minute Youth Athletic Session

An illustrative supervised session, not an individual prescription. Extend the warm-up or recovery when needed and reduce later work rather than rushing. Beginners may need fewer exercises or shorter sessions. 0–10 minutes — Movement preparation Skip. Shuffle. Jog. Mobility. 10–17 — Sprint Up to 4 short quality accelerations when appropriate; fewer if needed. Full recovery. 17–23 — Jump / power Broad jumps or medicine-ball throws. Low volume. High quality. 23–40 — Strength Squat or split squat. Hinge. Push. Pull. Carry. 40–45 — Cooldown / review Easy movement, breathing and a brief coach check-in. Reaction games can replace another block when appropriate. Done. The session does not need to destroy the athlete.

Stop Using Conditioning as Punishment

Running can improve fitness. Punishment running teaches something else. Young athletes should not associate every error with physical punishment. If conditioning is needed, program conditioning because the athlete needs conditioning. Do not disguise discipline as sports science.

Baseball Conditioning Should Match Baseball

Baseball and softball involve:

• Repeated short bursts
• Long periods between high-intensity actions
• Occasional longer efforts
• Multiple innings
• Tournament volume

That means conditioning can include:

• Short sprint repeats
• Tempo work
• Circuit work
• General aerobic development
• Sport practices and games

Not every player needs long-distance running as the primary conditioning method.

The Offseason Is an Athletic Opportunity

When tournament volume decreases, athletes can shift toward:

• Strength
• Speed
• Power
• Mobility
• General athleticism

That creates qualities that may be harder to build while playing several games each week. The offseason is not: Do nothing or: Throw harder every day. It is a different development phase.

Five Youth Training Myths

Myth 1: “Lifting weights stunts growth.” Properly designed youth resistance training is supported by a substantial research base and can improve physical performance. Poor programming, unsuitable loads, accidents and inadequate supervision can cause injury. Appropriate instruction lowers risk; no training is risk-free. Myth 2: “Strength makes players slow.” Appropriate strength training can support sprint and jump performance rather than automatically reducing it. Myth 3: “Speed is genetic, so it can’t be trained.” Genetics matter. Training matters too. Sprint, resisted-sprint and plyometric interventions can improve speed measures. Myth 4: “Agility ladders create game speed.” They can train coordination. True agility eventually requires perception and response. Myth 5: “If a workout isn’t exhausting, it didn’t work.” Speed and power training often require generous recovery specifically so the athlete can perform with quality. Exhaustion is not the universal measure of a productive session.

Measure What Matters

Depending on age, useful performance measures can include:

• 10-yard sprint
• 20-yard sprint
• Broad jump
• Vertical jump
• Medicine-ball throw
• Basic strength measures
• Change-of-direction test

Do not turn testing into weekly competition. Measure occasionally. Train. Retest later.

The Prospects Development Philosophy

Baseball and softball skills matter. But the athlete performing those skills matters too. A stronger, faster and more coordinated player may have:

• More force available in the swing
• Greater throwing potential
• Better acceleration
• More defensive range
• Greater physical resilience

That does not mean the strongest player automatically becomes the best baseball or softball player. Strength and speed support skill. They do not replace it. The complete development model combines both. Develop the athlete. Develop the skill. Then teach them to perform together.

Build the Athlete Behind the Player

Explore Prospects training options and meet the coaches. Ask which services are currently available and appropriate for the athlete’s age and experience.

Printable Athletic Development Scorecard

Track sprint, jump and movement quality with consistent methods and appropriate supervision; compare periodic results with the athlete’s own baseline. Save the worksheet image below to print a copy.