Yes, puberty can help many teens run faster as strength and stride grow, but training, sleep, and timing still shape results.
If you’ve ever felt like you hit a new gear around the teen years, you’re not alone. Puberty changes your body fast: bones stretch, muscles respond differently, and your running form can feel brand new.
Still, speed doesn’t rise in a straight line. Some kids drop sprint times quickly, some plateau, and some feel slower during a growth spurt. This guide explains what’s going on and what to do.
Does Puberty Make You Faster?
If you’re asking does puberty make you faster? you’re asking a smart question about timing, biology, and training.
For many athletes, the answer is yes: puberty often lines up with faster sprinting and quicker change of direction. That’s mostly because the body starts producing more sex hormones, body size changes, and strength and power can climb.
But “puberty” isn’t a magic switch. If you grow 8 cm in a short stretch, your legs may get longer before your coordination catches up. If you add body mass without adding usable strength, speed can stall. If you don’t practice sprint mechanics, new strength may not turn into faster times.
So the clean way to think about it is this: puberty can create conditions that make speed easier to build. Your habits decide how much of that you cash in.
What Changes During Puberty That Can Affect Speed
Puberty is a multi-year process, not a single moment. Hormones nudge muscle growth, bones lengthen, and the nervous system keeps wiring smarter movement patterns. You can read a plain-language overview in the MedlinePlus puberty overview.
| Puberty change | How it can show up in speed | Training move that helps |
|---|---|---|
| Longer legs and bigger frame | More stride length, new lever arms, different balance | Short acceleration work (10–30 m) with clean starts |
| More muscle tissue | Higher force at push-off, better sprint power | Twice-weekly strength basics: squats, hinges, pushes, pulls |
| Faster strength gains | Quicker starts, sharper first 5 steps | Hill sprints, sled drags, or resisted marches (light load) |
| Tendon and connective tissue adapting | More “spring” in each step once tissues catch up | Low-volume plyos: hops, skips, pogo jumps, full rest |
| Body mass rising | Speed can improve or dip depending on strength-to-mass ratio | Keep jumps and sprint reps crisp; avoid junk volume |
| Shifts in coordination | Temporary awkwardness, timing changes, clumsy foot strike | Drills that teach rhythm: A-skips, wall drills, wicket runs |
| Sleep needs rising | Recovery swings, sore legs, slower sessions after late nights | Protect sleep; plan hard sprints on well-rested days |
| Growth plate sensitivity | Higher overuse risk if workload jumps too fast | Progress weekly load slowly; stop sets when form breaks |
Why You Can Feel Slower During A Growth Spurt
A growth spurt can be a weird phase. Your limbs lengthen, your center of mass shifts, and your old stride pattern may stop working. You may look tall overnight and still feel like your feet are late to the party.
This is common around peak height velocity, when growth is fastest. Your timing map is changing, so you may overstride or lose hip height.
The fix is not to grind more sprint volume. It’s to keep speed work short, clean, and well-rested. Think quality reps, then go home.
Does Puberty Make You Faster During Early Teen Years
Often, yes. Early teen years are when many athletes start noticing that practice pays off faster. Strength work that felt slow in late childhood can start showing up in sprint starts and jumping power.
Still, the timeline differs. Some kids enter puberty earlier, some later. Two athletes can be the same age and at totally different stages. That’s why comparing your 100 m time to a classmate’s can mess with your head.
If you want a medical snapshot of normal timing ranges, the NICHD puberty factsheet lays out typical ages and definitions for early and delayed puberty.
Boys And Girls: Typical Patterns Without Stereotypes
On average, boys and girls both get faster during childhood because of practice, coordination, and natural growth. Puberty adds another layer: hormone patterns can shift muscle growth, body composition, and strength.
Many boys see a noticeable jump in muscle mass and strength as testosterone rises. That can translate into bigger power outputs, which often shows up as quicker acceleration and higher top speed.
Girls also gain strength and speed skills through puberty, yet body composition changes can vary more. Some girls get faster quickly, others need a training plan that puts power, sprint form, and strength-to-mass ratio front and center.
None of this is destiny. Coaching, sport type, nutrition, sleep, and training age matter a lot. Your body is yours; the goal is to train what you have, not chase someone else’s timeline.
How To Turn Puberty Changes Into Real Sprint Speed
Speed is skill plus power. Puberty can boost the raw materials, but you still need reps that teach your body to use them. Here’s a practical plan that fits most field sports and track sprinters.
Keep Sprint Work Short And Fresh
- Acceleration days: 6–10 sprints of 10–30 m, full rest, aim for posture and sharp first steps.
- Max-speed days: 4–8 reps of 10–30 m at high speed (flying 10s, wicket runs), long rest.
- Speed endurance (older teens): 2–4 reps of 80–150 m with long rest, only if form stays clean.
Stop a set when mechanics fall apart. Sloppy speed work teaches sloppy movement.
Lift For Strength And Power, Not Exhaustion
You don’t need fancy gear. A supervised plan with steady progress works. Start with movement quality, then add load slowly.
- Squat pattern: goblet squat, split squat, step-ups
- Hinge pattern: hip hinge drills, Romanian deadlift, kettlebell deadlift
- Push and pull: push-ups, rows, overhead press with light dumbbells
- Core control: carries, dead bugs, side planks
Keep reps in the tank. Fast athletes train to be explosive, not wrecked.
Use Plyometrics Like Seasoning
Plyos build stiffness and bounce when done with low volume and good landings. Start small: pogo jumps, low hurdle hops, bounds over a short distance.
Land quietly and rest plenty. If form slips, stop.
Training By Maturity Stage
If you don’t know your “stage,” that’s fine. Use simple clues: rapid height change, new body hair, voice change, strength changes, or menstruation. Then match training stress to how your body is handling load.
| Maturity window | Good focus | Watch for |
|---|---|---|
| Late childhood (pre-spurt) | Skill, rhythm, sprint drills, short jumps | Too much max loading in the gym |
| Growth spurt starting | Short acceleration, posture drills, light strength | Shin pain, heel pain, sudden tight hamstrings |
| Peak growth months | Quality speed reps, extra warm-up, mobility | Overstriding, knee soreness, low coordination days |
| Post-spurt (catch-up phase) | Strength build, power lifts with coaching, plyos | Doing speed endurance too soon |
| Mid-teen (training age rising) | Mix of accel, max speed, strength, jumps | Weekly volume creep without recovery |
| Late teen (near adult build) | Event-specific sprint work, strength maintenance | Chasing fatigue instead of speed |
How To Track Speed Without Getting Obsessed
Timing every rep can turn practice into a stress test. A calmer approach works better: pick two tests, repeat them every 4–6 weeks, and keep the rest of training centered on feel and form.
- 30 m from standing start: great for acceleration.
- Flying 10 m: build up for 20–30 m, then time the next 10 m for top speed.
Use the same surface, the same shoes, and similar weather when you can. Track your height once a month too. If you got taller since the last test, a small dip in speed can be normal while your stride recalibrates.
Food, Hydration, And Recovery That Actually Help
Puberty raises recovery demands. You’re building tissue, training, and learning at the same time. Skipping meals or sleeping five hours can show up on the stopwatch fast.
Eat a solid meal after training, drink water through the day, and keep bedtime steady. If soreness sticks, trim volume first.
Common Myths That Trip Athletes Up
“If I Hit Puberty, I’ll Automatically Get Fast”
Nope. Puberty can help, but sprinting is a skill. If you don’t train starts, posture, and rhythm, speed gains can stay hidden.
“Lifting Stunts Growth”
With good coaching and sane loads, strength training is widely used in youth sports. The bigger risk is sloppy form or ego lifting.
When To Talk With A Clinician
Most ups and downs in teen speed are normal. Still, some signs should get checked: persistent joint pain, repeated stress injuries, fainting with exercise, or a sudden drop in performance paired with heavy fatigue.
Puberty timing can also be a concern. If puberty seems early or delayed, or if periods are irregular and paired with low energy intake, a clinician can help sort out what’s going on.
A Simple Checklist For Getting Faster Through Puberty
- Keep speed sessions short, rested, and high quality.
- Build strength two days a week with clean form and steady progress.
- Add a small dose of plyometrics with quiet landings.
- During growth spurts, cut volume and double down on mechanics.
- Track speed every 4–6 weeks, not every day.
- Eat enough, hydrate, and protect sleep like it’s part of training.
- If pain or fatigue sticks around, talk with a licensed clinician.
So, does puberty make you faster? For many teens, yes—if you pair the changes in your body with smart practice. Stay patient through awkward phases, train the skill of speed, and your times can drop in a way that feels earned.