Running and Strength Training: How to Balance Both

Running and strength training can improve one another – but only if your weekly plan leaves enough room for recovery. Here is how to schedule both, choose the right exercises and avoid turning every session into tired-leg survival.

Running and strength training should get along perfectly well. One develops your aerobic engine; the other helps build the strength required to use it.

Yet combining the two is often made to sound unnecessarily complicated.

Runners worry that lifting weights will make them heavy, slow and permanently sore. Lifters worry that running will cancel their muscle gains before they have even made it back from their Sunday 5K.

Neither outcome is inevitable.

Learning how to combine running and strength training comes down to four things: deciding which goal currently matters most, placing your important sessions carefully, controlling total training volume and recovering well enough to benefit from the work.

You do not need a colour-coded spreadsheet containing seventeen training zones. You need a sensible week.

THE SHORT ANSWER

Yes, you can improve your running while becoming stronger.

Research into concurrent training – the combination of endurance and resistance exercise – suggests that running and strength training can coexist without substantially compromising muscle growth or maximal strength for most recreational athletes.

Explosive strength appears more sensitive to interference, particularly when endurance and resistance training are repeatedly completed within the same session. That makes intelligent scheduling more important for runners interested in speed, power and race performance.

For most runners, a useful starting point is:

Run three to five times each week.
Strength train twice each week.
Place the most important session first when training twice in one day.
Avoid heavy lower-body training immediately before a long run or speed session.
Keep easy runs genuinely easy.
Leave one to three repetitions in reserve during most strength exercises.
Reduce strength volume during demanding race-specific blocks.

The objective is not to prove how much training you can survive. It is to complete enough quality work to improve.

Learn how to combine running and strength training without compromising performance, with practical schedules, exercise advice and recovery tips.

WHY SHOULD RUNNERS STRENGTH TRAIN?

Running makes you better at running. That remains the foundation of any running programme.

Strength training supports that foundation.

Reviews have found that heavy resistance training, explosive training and certain combined strength methods can improve running economy – the amount of oxygen and energy required to maintain a given pace. In practical terms, a pace may begin to feel slightly less expensive.

Strength training can also develop:

Force production
Tendon and muscle capacity
Single-leg control
Calf and ankle strength
Trunk stability
Sprinting and hill-running power
Tolerance of increasing training loads

It is important not to oversell it. A collection of squats and calf raises cannot guarantee that you will never become injured.

Injury risk is influenced by training load, previous injury, sleep, recovery, nutrition, biomechanics and several other factors. Strength training is one useful part of that picture, not protective armour.

WILL RUNNING RUIN YOUR STRENGTH GAINS?

Probably not.

The concern comes from something known as the interference effect. Endurance and strength exercise create different training signals, so it is possible for excessive endurance work to reduce certain strength or power adaptations.

The important word is excessive.

A recreational runner completing two controlled strength sessions alongside a sensible running programme is in a very different position from an athlete attempting high-volume endurance training and bodybuilding-style leg sessions at the same time.

A large systematic review found that concurrent aerobic and strength training did not meaningfully compromise muscle growth or maximal strength compared with strength training alone. Explosive strength was more likely to be affected, especially when both forms of training were completed in the same session.

In other words, running does not automatically kill your gains. Poor planning, inadequate food and a heroic refusal to take recovery days are more likely candidates.

DECIDE WHICH GOAL COMES FIRST

Running and strength can both improve, but they cannot both receive maximum attention throughout the entire year.

Your main goal should influence your weekly schedule.

If running is the priority

Your long run, interval session and tempo or threshold session should receive the freshest legs.

Strength training supports the running programme, so its volume should be challenging without repeatedly leaving you sore for several days.

If strength is the priority

Place your most important lifting sessions before easy runs or on separate days. Running volume may need to remain moderate, particularly if gaining muscle or increasing maximal strength is the main objective.

If you want a balanced or hybrid approach

Use training blocks.

You might spend eight to twelve weeks prioritising a half-marathon while maintaining strength, followed by a period in which running volume decreases and lifting receives more attention.

Balance does not require every week to be split exactly in half. It means both qualities remain present while emphasis changes according to your current goal.

HOW TO COMBINE RUNNING AND STRENGTH TRAINING IN THE SAME WEEK

The simplest rule is to protect the sessions that matter most.

A hard interval workout completed on legs still trembling from heavy Romanian deadlifts is unlikely to be your finest contribution to athletics.

Start by placing your key running sessions in the week. Add strength training around them, then use easy running and rest days to create enough recovery between demanding sessions.

A running-priority week

Day	Training
Monday	Rest or light mobility
Tuesday	Interval session, followed by Strength A later in the day
Wednesday	Easy run
Thursday	Strength B
Friday	Rest or short recovery run
Saturday	Long run
Sunday	Easy run

This schedule groups one strength workout with a hard running day. That creates a genuinely demanding Tuesday but gives Wednesday a clear recovery purpose.

It also avoids placing heavy lower-body strength work on Friday, immediately before the long run.

A balanced running and strength schedule

Day	Training
Monday	Full-body strength
Tuesday	Easy run
Wednesday	Tempo or interval run
Thursday	Full-body strength
Friday	Rest
Saturday	Long run
Sunday	Easy run or upper-body strength

This version provides three to four runs and two or three strength sessions.

If Sunday includes strength work, keep the lower-body volume modest after Saturday’s long run. Your legs have already attended the meeting.

CAN YOU RUN AND LIFT WEIGHTS ON THE SAME DAY?

Yes. Same-day training can be extremely useful when it creates more complete rest or recovery days elsewhere in the week.

The order should reflect your priority.

Combination	Recommended approach
Important run and strength workout	Run first if running is the priority. Separate the sessions by several hours where practical.
Important strength workout and easy run	Lift first. Keep the run conversational and controlled.
Easy run and moderate strength workout	Either order can work. Choose the order that supports your main goal.
Heavy leg session and speed workout	Avoid placing both close together unless the programme is deliberately designed that way.
Easy run and upper-body workout	Usually a manageable pairing.
Heavy leg session before a long run	Generally avoid. Fatigue can reduce the quality of the long run.

Separating sessions by around six hours is a practical option when time allows. It provides an opportunity to eat, rehydrate and recover between workouts.

That does not mean six hours is a magical threshold. If your schedule only allows one combined session, complete the priority discipline first and control the volume of the second.

SHOULD YOU RUN BEFORE OR AFTER STRENGTH TRAINING?

Run first when the quality of the run matters most.

This includes:

Interval sessions
Tempo or threshold runs
Race-pace workouts
Hill repetitions
Long runs with a quality section

Strength train first when increasing strength, power or lifting performance is the main priority.

An easy run can be completed after lifting, provided it stays easy. The purpose is aerobic work, not an unexpected attempt at a personal best because the first kilometre felt good.

If both sessions are demanding and equally important, placing them on separate days is usually the cleaner solution.

HOW OFTEN SHOULD RUNNERS STRENGTH TRAIN?

Two strength sessions per week will be enough for many runners.

This frequency allows the main movement patterns to be trained regularly without overwhelming the running programme. Newer runners or those entering a busy race block may begin with one session.

Three sessions can work when:

Strength development is a major goal.
Running volume is relatively low.
One session focuses mainly on the upper body.
Each workout is short and carefully controlled.
The runner is already accustomed to combined training.

More is not automatically better. The correct dose is the amount you can recover from while still completing your important runs properly.

WHAT SHOULD A RUNNER’S STRENGTH WORKOUT INCLUDE?

A runner does not need an elaborate collection of balance drills performed on unstable equipment.

A useful programme usually covers the following movement patterns:

Movement	Exercise examples	Why it is included
Squat	Back squat, front squat, goblet squat	Develops lower-body force and knee-dominant strength
Hip hinge	Romanian deadlift, trap-bar deadlift, hip thrust	Strengthens the hamstrings, glutes and posterior chain
Single-leg exercise	Split squat, reverse lunge, step-up	Challenges each leg independently
Calf exercise	Standing or seated calf raise	Develops calf and ankle capacity
Push	Press-up, bench press, overhead press	Maintains upper-body strength
Pull	Row, pull-up, pulldown	Develops upper-back strength and posture
Trunk exercise	Side plank, dead bug, Pallof press	Helps control movement through the trunk and pelvis
Power exercise	Jump, hop or medicine-ball throw	Develops explosive force when appropriate

You do not need to perform every exercise in every workout. Select one movement from each major category and repeat it consistently enough to progress.

A SIMPLE TWO-DAY STRENGTH PROGRAMME FOR RUNNERS

Strength workout A

Squat: 3 sets of 4–6 repetitions
Romanian deadlift: 3 sets of 6–8 repetitions
Reverse lunge: 2 sets of 8 repetitions per leg
Standing calf raise: 3 sets of 8–12 repetitions
Dumbbell row: 3 sets of 8–10 repetitions
Side plank: 2 sets per side

Strength workout B

Trap-bar deadlift or hip thrust: 3 sets of 4–6 repetitions
Step-up: 3 sets of 6–8 repetitions per leg
Seated calf raise: 3 sets of 10–15 repetitions
Press-up or bench press: 3 sets of 6–10 repetitions
Lat pulldown or assisted pull-up: 3 sets of 6–10 repetitions
Dead bug or Pallof press: 2–3 sets

Rest for approximately two to three minutes after demanding compound exercises and slightly less after smaller accessory exercises.

Finish most sets with one to three good repetitions still available. Constantly training to failure adds fatigue that may interfere with your running without providing a necessary advantage.

Technique should remain controlled. If the final repetitions look like an audition for a different exercise, the set has gone on long enough.

HOW HEAVY SHOULD RUNNERS LIFT?

Runners often assume that strength work should involve very light weights and large numbers of repetitions.

That approach can create considerable fatigue without providing the same strength stimulus as heavier resistance.

A practical structure is:

Main strength exercises: 3–6 repetitions
Secondary exercises: 6–10 repetitions
Calf and smaller accessory exercises: 8–15 repetitions
Trunk exercises: controlled sets based on quality rather than exhaustion

The weight should feel challenging while allowing technically sound repetitions.

Beginners should first learn each movement with a manageable load. There is no prize for turning your first squat session into a three-day negotiation with the stairs.

WILL STRENGTH TRAINING MAKE RUNNERS BULKY?

Not by accident.

Large increases in muscle mass normally require sustained resistance-training volume, progressive overload, appropriate nutrition and enough time for those adaptations to occur.

Two full-body strength sessions within a running programme are unlikely to transform your body overnight.

Your body weight may fluctuate because of glycogen, water, food intake and normal day-to-day variation. This is not the same as suddenly gaining a large amount of muscle.

For runners, the more useful question is whether the strength programme improves force production and supports training without creating unnecessary fatigue.

HOW TO PROGRESS WITHOUT COMPROMISING YOUR RUNNING

Change one variable at a time.

For example:

Begin with two sets of each exercise.
Add a third set once recovery is comfortable.
Increase the weight gradually.
Keep the number of exercises stable.
Reassess when running volume or intensity increases.

Avoid increasing weekly mileage, adding an interval workout and introducing heavy lower-body training in the same week.

Your body experiences total stress. It does not file running, strength training, poor sleep and work deadlines into separate folders.

A simple progression might be:

Week one: 3 sets of 6 repetitions with a manageable weight
Week two: repeat the weight with improved control
Week three: add a small amount of weight
Week four: reduce the volume if fatigue is building

Progress does not need to happen every session.

WHAT CHANGES DURING HALF-MARATHON OR MARATHON TRAINING?

As race-specific running increases, strength training should become more economical.

You can often maintain strength with less total work than was required to build it.

During the most demanding weeks:

Keep one or two strength sessions.
Reduce the number of sets.
Retain some moderately heavy lifting.
Avoid unfamiliar exercises.
Limit training to failure.
Place lower-body strength away from long runs.
Reduce strength volume further during the taper.

Completely abandoning strength work for several months is rarely necessary. The goal is to maintain the qualities you have developed without carrying avoidable soreness into important running sessions.

Nutrition also becomes more important as training volume rises. Our guide to half-marathon nutrition explains how to approach pre-run and during-run fuelling.

EAT ENOUGH TO SUPPORT BOTH

Combining running and strength training increases the demand placed on your body.

That demand needs to be supported by adequate energy, carbohydrate and protein.

Carbohydrate helps fuel running and demanding gym sessions. Protein supports muscle repair and adaptation. Dietary fat remains important for general health and hormone function.

Watch for persistent warning signs such as:

Declining performance
Unusual fatigue
Recurrent illness
Poor sleep
Irritability
Persistent soreness
Loss of motivation
Menstrual disruption
Repeated injuries

These do not always prove that you are under-fuelled, but they should not be dismissed as evidence that you need to become more disciplined.

Read more about the signs of under-fuelling in runners.

COMMON MISTAKES WHEN COMBINING RUNNING AND STRENGTH

Making every run moderately hard

Moderate-intensity running creates enough fatigue to affect recovery but may not provide the same quality as a properly designed hard session.

Easy days need a clear purpose.

Using bodybuilding-style leg volume

Five different squat variations followed by lunges, extensions, curls and a dramatic finisher may be enjoyable, but it is difficult to combine with serious running.

Choose fewer exercises and perform them well.

Lifting immediately before a key run

A heavy lower-body session can affect force production, coordination and perceived effort. Protect your important running workouts.

Changing the programme every week

Strength develops through repeated exposure and progressive overload. Constant novelty makes progression difficult to measure.

Training through persistent pain

General muscular fatigue and delayed-onset soreness are not the same as sharp, worsening or localised pain. Continuing to load a painful area without assessment is not admirable. It is simply a poor administrative decision.

Copying a schedule without adjusting it

A programme cannot see your work hours, sleep, training history or current recovery. Even a well-designed plan needs to be adapted to the person completing it.

SIGNS THAT YOUR WEEKLY PLAN NEEDS ADJUSTING

Your programme may contain too much total stress if:

Easy running pace feels unusually difficult for several days.
Your lifting performance continues to decline.
Your legs never feel recovered.
Sleep or mood deteriorates.
Normal soreness becomes persistent pain.
Your heart rate is unusually high during easy runs.
You dread sessions you would normally enjoy.

First reduce optional volume rather than removing every challenging session.

That might mean dropping one accessory exercise, shortening an easy run or reducing a strength workout from three sets to two. Small adjustments are often enough.

THE BOTTOM LINE

Running and strength training are not opposing hobbies.

A well-designed strength programme can support running economy, force production and physical capacity. Running can improve aerobic fitness without automatically preventing strength or muscle development.

The successful combination is usually less exciting than social media suggests:

Decide which goal currently matters most.
Protect the sessions connected to that goal.
Strength train once or twice each week.
Keep easy running easy.
Avoid unnecessary gym volume.
Eat enough.
Recover before adding more.

You are not trying to fit two complete elite training programmes into one ordinary week.

You are building one programme that contains both.

STRENGTH TRAINING AND RUNNING: FREQUENTLY ASKED QUESTIONS

Can I run and strength train on the same day?

Yes. Same-day training can help create more complete recovery days elsewhere in the week. Complete the priority session first and separate the workouts by several hours when practical.

Should I run before or after lifting weights?

Run first when improving running performance is the main goal, particularly before intervals, tempo running or race-specific work. Lift first when strength development is the priority. The order matters less when the run is short and genuinely easy.

How many times a week should runners strength train?

One to two sessions per week is appropriate for many runners. Two sessions generally provide enough exposure to develop strength, while one session may help maintain it during demanding race-training periods.

Does running stop muscle growth?

Running does not automatically stop muscle growth. Problems are more likely when endurance volume is extremely high, recovery is limited or the athlete is not eating enough to support both forms of training.

How close to a race should I strength train?

This depends on your experience and the importance of the race. Avoid unfamiliar or high-volume lower-body training in race week. Many runners reduce strength volume while retaining a small amount of familiar work early in the week.

REFERENCES

Schumann M, Feuerbacher JF, Sünkeler M, et al. Compatibility of concurrent aerobic and strength training for skeletal muscle size and function: an updated systematic review and meta-analysis. Sports Medicine. 2022.
Lundberg TR, Feuerbacher JF, Sünkeler M, et al. Effects of concurrent aerobic and strength training on muscle fibre hypertrophy: a systematic review and meta-analysis. Sports Medicine. 2022.
Llanos-Lagos C, Ramirez-Campillo R, Moran J, et al. Effects of strength-training methods on middle- and long-distance running performance and determinants of running performance: a systematic review and meta-analysis. Sports Medicine. 2024.
Ramos-Campo DJ, et al. The effects of strength training on endurance performance: an umbrella review. 2025.
Denadai BS, de Aguiar RA, de Lima LCR, Greco CC, Caputo F. Explosive training and heavy weight training are effective for improving running economy in endurance athletes: a systematic review and meta-analysis. Sports Medicine. 2017.
Berryman N, Mujika I, Arvisais D, Roubeix M, Binet C, Bosquet L. Strength training for middle- and long-distance performance: a meta-analysis. International Journal of Sports Physiology and Performance. 2018.
Fyfe JJ, Bishop DJ, Stepto NK. Interference between concurrent resistance and endurance exercise: molecular bases and the role of individual training variables. Sports Medicine. 2014.
Robineau J, Babault N, Piscione J, Lacome M, Bigard AX. Specific training effects of concurrent aerobic and strength exercises depend on recovery duration. Journal of Strength and Conditioning Research. 2016.
American College of Sports Medicine. ACSM unveils landmark 2026 resistance training guidelines. 2026.

DISCLAIMER

This article is for general educational purposes and does not replace personalised advice from a qualified coach, physiotherapist, doctor or registered dietitian. Seek professional support if you experience persistent pain, repeated injury, menstrual disruption, recurrent illness or ongoing fatigue.