Strength Training for Runners: The Best Exercises, Plans, and Science-Backed Benefits

Strength training reduces running injuries by up to 50% and improves running economy by 2-8%. Here are the best exercises, a sample weekly plan, and everything runners need to know about lifting.

If you are only running to get better at running, you are leaving significant performance — and injury protection — on the table.

Strength training for runners is the systematic use of resistance exercises to build the muscular strength, power, and stability that support efficient, injury-free running. It is not bodybuilding. It is not CrossFit. It is targeted work on the muscles and movement patterns that matter most when you run.

Why Does Every Runner Need Strength Training?

The evidence is clear and the magnitude of benefit is large.

Injury reduction. A meta-analysis published in the British Journal of Sports Medicine found that strength training reduces sports injuries by up to 50% and overuse injuries by nearly 50%. For runners, whose most common injuries (runner’s knee, IT band syndrome, shin splints, plantar fasciitis) are almost all overuse-related, this is significant.

Improved running economy. Running economy is the amount of oxygen you use at a given pace — the lower the cost, the more efficient you are. Research shows strength training improves running economy by 2-8%. In practical terms, this means you can run the same pace with less effort or run faster at the same effort.

Better late-race performance. Fatigue in the final miles of a race is partly muscular. Stronger muscles resist fatigue longer, which means your form holds up better and your pace drops less in the last third of a race.

Bone density. Running provides some bone-loading stimulus, but strength training provides more. This is especially important for female runners and runners over 40 who face higher osteoporosis risk.

What Are the Key Muscle Groups for Runners?

Not all muscles contribute equally to running performance. Here are the ones that matter most.

Muscle GroupWhy It Matters for RunningWhat Happens Without Strength Training
GlutesPrimary hip extensors; power your stride and stabilize your pelvisHip drop, knee collapse, IT band syndrome, lower back pain
QuadricepsAbsorb impact on landing; control knee flexion; power uphill runningKnee pain (patellofemoral syndrome), weak hill climbing, quad fatigue on descents
HamstringsDecelerate your leg during swing phase; assist hip extensionHamstring strains, overreliance on quads, reduced stride power
Calves (Gastrocnemius & Soleus)Propel you forward at toe-off; absorb 6-8x body weight per strideAchilles tendinopathy, calf strains, plantar fasciitis
Core (Abdominals, Obliques, Lower Back)Stabilizes your torso; transfers power between upper and lower bodyEnergy leaks, excessive trunk rotation, lower back pain, poor form when fatigued
Hip FlexorsLift your knee during swing phase; maintain stride lengthReduced knee drive, shorter stride, hip tightness

The most underdeveloped muscle group in runners is almost always the glutes. Modern life (sitting all day) weakens them, and running alone does not adequately strengthen them. If you do nothing else, strengthen your glutes.

What Are the 8 Best Strength Exercises for Runners?

These exercises were selected because they target the muscle groups above, mimic running movement patterns, and require minimal equipment.

1. Squats

Targets: Quads, glutes, hamstrings, core

Stand with feet shoulder-width apart. Lower your hips back and down as if sitting in a chair until your thighs are at least parallel to the floor. Drive through your heels to stand.

Sets/Reps: 3 sets of 8-10 reps. Add weight (dumbbells or barbell) when bodyweight becomes easy.

2. Lunges

Targets: Quads, glutes, hamstrings, hip stability

Step forward with one leg, lowering your back knee toward the floor until both knees are at 90 degrees. Push off your front foot to return to standing. Alternate legs.

Sets/Reps: 3 sets of 10 per leg. Progress to walking lunges or add dumbbells.

3. Single-Leg Deadlift

Targets: Hamstrings, glutes, core, balance

Stand on one leg with a slight knee bend. Hinge forward at the hips, extending your free leg behind you for balance. Lower until your torso is roughly parallel to the floor. Return to standing.

Sets/Reps: 3 sets of 8 per leg. Hold a dumbbell or kettlebell in the opposite hand for progression.

4. Glute Bridges

Targets: Glutes, hamstrings, lower back

Lie on your back with knees bent and feet flat on the floor. Drive through your heels to lift your hips until your body forms a straight line from shoulders to knees. Squeeze your glutes at the top. Lower slowly.

Sets/Reps: 3 sets of 12-15. Progress to single-leg bridges when this becomes easy.

5. Calf Raises

Targets: Gastrocnemius, soleus

Stand on the edge of a step with your heels hanging off. Rise up onto your toes, pause at the top, then lower your heels below the step level. Perform slowly and controlled.

Sets/Reps: 3 sets of 15 per leg (single-leg) or 3 sets of 20 (double-leg). Add weight with a dumbbell when ready.

6. Planks

Targets: Core (rectus abdominis, transverse abdominis, obliques, lower back)

Hold a push-up position on your forearms. Keep your body in a straight line from head to heels. Do not let your hips sag or pike up. Breathe steadily.

Sets/Reps: 3 sets of 30-60 seconds. Progress by extending duration or adding movement (plank shoulder taps, plank jacks).

7. Side Planks

Targets: Obliques, hip abductors (gluteus medius), core stability

Lie on your side with your forearm on the ground directly below your shoulder. Lift your hips until your body forms a straight line. Hold. This exercise specifically targets the muscles that prevent hip drop during running.

Sets/Reps: 3 sets of 20-40 seconds per side. Progress by lifting your top leg or adding hip dips.

8. Step-Ups

Targets: Quads, glutes, single-leg stability

Stand facing a bench or sturdy platform (knee height or slightly below). Step up with one foot, driving through your heel to stand on top. Step back down with control. Complete all reps on one leg before switching.

Sets/Reps: 3 sets of 10 per leg. Hold dumbbells for progression.

What Does a Sample Weekly Strength Plan Look Like?

Here is a practical plan that integrates strength training into a runner’s week without compromising running quality.

DayRunningStrength
MondayEasy run (30-40 min)Session A (after run or PM)
TuesdaySpeed work or tempo
WednesdayRest or cross-train
ThursdayEasy run (30-40 min)Session B (after run or PM)
FridayRest
SaturdayLong run
SundayRest or easy run

Session A — Lower Body Focus:

ExerciseSetsRepsRest
Squats38-1090 sec
Single-Leg Deadlift38/leg60 sec
Calf Raises (single-leg)315/leg45 sec
Planks345 sec30 sec

Session B — Glutes and Stability Focus:

ExerciseSetsRepsRest
Lunges310/leg90 sec
Glute Bridges (single-leg)312/leg60 sec
Step-Ups310/leg60 sec
Side Planks330 sec/side30 sec

Option B: Three Sessions Per Week (Base-Building Phase)

Add a third session on Saturday or Sunday focusing on core and hip stability:

ExerciseSetsRepsRest
Glute Bridges31545 sec
Clamshells (with band)315/side30 sec
Dead Bugs310/side30 sec
Bird Dogs310/side30 sec
Plank Shoulder Taps310/side30 sec

Each session takes 20-30 minutes. That is a total of 40-90 minutes per week — a small investment for a 50% reduction in injury risk and measurable improvement in running performance.

When Should You Do Strength Training Around Your Runs?

Timing matters. The wrong sequence can compromise both your running and strength workouts.

ScenarioRecommendationWhy
Easy run dayStrength after the run or in the PMEasy runs are low-stress; lifting afterward is fine
Speed work / tempo dayNo strength trainingYou need fresh legs for quality running; lifting afterward delays recovery
Long run dayNo strength trainingSame reasoning as speed work — protect recovery
Rest dayStrength training is fineNo running to compete with
Day before a hard runLight strength or restYou want fresh legs for tomorrow’s quality session
Race weekNo strength trainingTaper applies to lifting too — reduce stimulus, maintain freshness

The most common mistake runners make is lifting heavy the day before a speed session, then wondering why their legs feel dead during intervals. Separate hard efforts by at least 48 hours.

Should You Use Bodyweight or Gym Equipment?

Both work. The best option is the one you will actually do.

ApproachProsConsBest For
BodyweightNo equipment, do at home, low barrierLimited progression after a point, hard to load heavyBeginners, travel, those without gym access
Dumbbells/KettlebellsVersatile, moderate cost, easy progressionRequire purchase or gym membershipIntermediate runners, home gym
Barbell/GymHighest loading potential, best for maximal strengthRequires gym access, learning curveAdvanced runners, those targeting big strength gains

Progression matters more than equipment. If you can do 3 sets of 15 bodyweight squats easily, you need to add weight — not more reps. Strength comes from progressive overload: gradually increasing the demand on your muscles over time.

A runner who does bodyweight squats forever will stop gaining strength. A runner who adds 5 pounds to their squats every 2-3 weeks will keep adapting for months.

How Should You Start If You Have Never Lifted?

If strength training is completely new to you:

Week 1-2: Learn the movement patterns with bodyweight only. Focus on form, not load. Do 2 sets of each exercise instead of 3. Expect some soreness — this is normal and will diminish.

Week 3-4: Add a third set. Increase reps if the current count feels easy. Start adding light weights (5-10 lb dumbbells for squats and lunges).

Week 5-8: Progress to moderate weights. You should be able to complete your target reps with good form but feel challenged on the last 2-3 reps of each set.

Ongoing: Increase weight by 5-10% when you can complete all sets and reps with good form and the last rep no longer feels challenging.

Track your strength workouts alongside your running in PaceBoard. Seeing the correlation between consistent strength training and improved running metrics reinforces the habit and helps you understand what is driving your progress.

Common Concerns Addressed

“I do not want to get bulky.” You will not. Building significant muscle mass requires a caloric surplus, high training volume, and targeted hypertrophy programming. Two to three 30-minute sessions per week with moderate weight will make you stronger and leaner, not bigger.

“I do not have time.” A 20-minute session twice per week is sufficient. That is 40 minutes per week. You spend more time scrolling your phone. If time is truly limited, do just three exercises: squats, single-leg deadlifts, and planks. Ten minutes, three times per week.

“I am already tired from running.” Strength training should not exhaust you the way a tempo run does. If it does, you are doing too much. Keep sessions moderate in intensity and volume. You should leave the gym feeling worked but not wrecked.

“I do not know what I am doing.” Start with the bodyweight versions of the exercises listed above. Watch form videos from reputable sources. If possible, book one or two sessions with a trainer to learn proper form — it is worth the investment.

The Bottom Line

Strength training is the most underused tool in a runner’s toolkit. Two sessions per week, 20-30 minutes each, targeting glutes, quads, hamstrings, calves, and core — that is all it takes to meaningfully reduce your injury risk and improve your running performance.

You do not need to become a gym rat. You need to become a runner who is strong enough to handle the demands of running. The exercises are simple. The time commitment is small. The return on investment is enormous.

Start this week. Your future running self will thank you.

Frequently Asked Questions

How many times a week should runners strength train?

Two to three times per week is optimal for most runners. Two sessions per week is sufficient for injury prevention and performance gains. Three sessions can be beneficial during base-building phases when running intensity is low. Each session should last 20-40 minutes.

What are the best exercises for runners?

The most effective exercises for runners target the glutes, quads, hamstrings, calves, and core. Top picks include squats, lunges, single-leg deadlifts, glute bridges, calf raises, planks, and side planks. Single-leg exercises are especially valuable because running is a single-leg activity.

Should I lift heavy or light as a runner?

Moderate to heavy weights with lower reps (3-6 reps at 70-85% of your max) produce the best strength and running economy gains without adding significant muscle bulk. Light weights with high reps build muscular endurance but are less effective for the neuromuscular adaptations that improve running performance.

Will strength training make me slower?

No. When programmed correctly, strength training makes runners faster. It improves running economy (the energy cost of running at a given pace) by 2-8%, enhances force production, and reduces injury time. The small amount of muscle gained does not offset these benefits. Runners do not bulk up from 2-3 strength sessions per week.

Can I do strength training on running days?

Yes. The best approach is to do strength training after an easy run, not before a hard run. Lifting before intervals or tempo runs compromises workout quality. Alternatively, do strength training on separate days from your key running workouts. Avoid heavy lifting the day before a long run or race.