Balancing Running and Strength Training: A Complete Guide

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How do you fit strength training into a running schedule? Learn how to balance both without sacrificing progress in either.

Bob BodilyBob Bodily
5 min readStrength & Prehab

Quick Hits

  • You can absolutely do both—and runners who strength train tend to be faster and more injury-resistant
  • The key is scheduling: separate hard days when possible, combine when necessary
  • Strength for runners emphasizes moderate weight, functional movements, not bodybuilding
  • Expect some initial fatigue adaptation—it gets easier after 2-3 weeks
  • Running performance should be the priority; strength supports it
Balancing Running and Strength Training: A Complete Guide

You want to be a better runner. But you also know strength training helps.

How do you fit both into one life?

Why Both Matter

Strength Benefits Running

Research shows runners who strength train:

  • Have better running economy
  • Are more injury-resistant
  • Maintain form better when fatigued
  • Perform better in late-race situations
  • Recover faster from hard efforts

Running Doesn't Build Strength

Running alone doesn't develop:

  • Maximum strength
  • Power
  • Muscle balance
  • Bone density (beyond running-specific loading)

You need both for optimal performance.

The Fear: Will I Get Bulky/Slow?

Short answer: No.

Why not:

  • Running creates caloric deficit (hard to build bulk)
  • Strength training for runners doesn't use hypertrophy protocols
  • Muscle gain requires specific nutrition and training
  • Runners stay lean

The reality: You'll get stronger without getting bigger.

Scheduling Strategies

Strategy 1: Hard/Hard Days

Concept: Stack quality running and strength on same days.

Example:

  • Monday: Quality run AM, Strength PM
  • Tuesday: Easy run
  • Wednesday: Easy run
  • Thursday: Quality run AM, Strength PM
  • Friday: Easy run or rest
  • Saturday: Long run
  • Sunday: Rest

Benefit: Easy days are truly easy. Full recovery days.

Drawback: Hard days are very demanding.

Strategy 2: Strength on Easy Days

Concept: Do strength on easy running days.

Example:

  • Monday: Rest
  • Tuesday: Quality run
  • Wednesday: Easy run + Strength
  • Thursday: Quality run
  • Friday: Easy run + Strength
  • Saturday: Long run
  • Sunday: Rest or easy

Benefit: Hard running gets full recovery.

Drawback: "Easy" days aren't fully easy.

Strategy 3: Separate Days

Concept: Dedicated strength days with no running.

Example:

  • Monday: Strength only
  • Tuesday: Quality run
  • Wednesday: Easy run
  • Thursday: Strength only
  • Friday: Quality run
  • Saturday: Long run
  • Sunday: Rest

Benefit: Each stimulus is separate and focused.

Drawback: Less running volume, tight schedule.

Workout Modifications

Running Adjustments

When strength training is new:

  • Reduce running intensity initially
  • Expect some leg fatigue
  • Don't add mileage while adapting

Once adapted:

  • Normal training resumes
  • Note: Day after heavy legs may feel heavy for running

Strength Adjustments

Focus on:

  • Functional movements (not isolation)
  • Moderate reps (6-12 range, not 1-3 or 15+)
  • Lower body emphasis but include core and upper
  • Running-specific exercises

Avoid:

  • Bodybuilding-style volume
  • Training to failure frequently
  • Exercises that create excessive soreness

Running-Specific Strength Work

Key exercises:

  • Squats (goblet, back, or front)
  • Romanian deadlifts
  • Single-leg work (lunges, step-ups, Bulgarian splits)
  • Hip thrusts
  • Calf raises
  • Core (planks, dead bugs, Pallof press)
  • Upper body (rows, push-ups, overhead press)

The session: 30-45 minutes is sufficient.

Managing Fatigue

The Adaptation Period

First 2-3 weeks:

  • Expect muscle soreness (DOMS)
  • Running may feel heavier
  • This is temporary

After adaptation:

  • DOMS significantly reduced
  • Running and strength coexist
  • Benefits become apparent

Signs of Poor Balance

Too much:

  • Persistent fatigue
  • Running performance declining
  • Chronic soreness
  • Dreading workouts

Adjustment: Reduce strength volume or intensity. Running is the priority.

Recovery Supports

Must-haves:

  • Adequate sleep (7-9 hours)
  • Sufficient calories
  • Protein (1.4-1.8g/kg body weight)
  • Easy days that are actually easy

Sample Schedules

Beginner (Running Priority)

Running: 4 days | Strength: 2 days

Day AM PM
Mon Rest
Tue Easy run (30 min)
Wed Rest Strength (30 min)
Thu Easy run (30 min)
Fri Rest Strength (30 min)
Sat Long run (45-60 min)
Sun Rest

Intermediate (Balanced)

Running: 5 days | Strength: 2 days

Day AM PM
Mon Rest
Tue Quality run (50 min) Strength (40 min)
Wed Easy run (40 min)
Thu Quality run (50 min)
Fri Easy run (35 min) Strength (40 min)
Sat Long run (90 min)
Sun Rest or easy

Advanced (High Volume)

Running: 6-7 days | Strength: 2-3 days

Day AM PM
Mon Easy run (45 min) Strength (45 min)
Tue Quality run (70 min)
Wed Easy run (50 min)
Thu Quality run (70 min) Strength (45 min)
Fri Easy run (40 min)
Sat Long run (2 hrs)
Sun Recovery run (30 min)

Seasonal Periodization

Off-Season / Base Building

Emphasis: Higher strength focus

  • More strength sessions (3x possible)
  • Running volume lower
  • Build strength foundation

Build Phase

Emphasis: Balanced

  • 2 strength sessions
  • Running volume increasing
  • Maintain strength gains

Peak / Race Phase

Emphasis: Running priority

  • Reduce strength to 1-2 maintenance sessions
  • Lower weight, fewer sets
  • No new exercises or added volume
  • Focus on race preparation

Post-Race / Recovery

Emphasis: Recovery and rebuilding

  • Easy running
  • Can increase strength focus
  • Rebuild for next cycle

Common Questions

"Should I lift before or after running?"

Same session, run first: If doing both together, run first when running is the priority.

Same session, lift first: Only if strength is the focus that day.

Separate sessions: Ideal—give each its own time.

"What about yoga/stretching?"

Separate from strength: Yoga/mobility is recovery, not strength training.

Can be done: On rest days, after easy runs, as active recovery.

"I'm training for a race—should I still lift?"

Yes, but reduce: Maintain 1-2 sessions during race prep. Don't add or change exercises. Keep it familiar.

Close to race: Taper strength along with running.


Running and strength training aren't competing priorities—they're complementary. With intelligent scheduling and appropriate focus, you can be a stronger, faster, more resilient runner. Start with 2 quality strength sessions per week, focus on functional movements, and let running remain your primary pursuit.

Track your running and strength progress on your dashboard.

Key Takeaway

Running and strength training complement each other beautifully when scheduled intelligently. Prioritize your running goals while fitting strength work to support them. Two quality sessions per week, focused on functional strength, makes runners faster and more resilient.

Frequently Asked Questions

Will strength training make me slower?
No—if done appropriately. Research shows strength training improves running economy and late-race performance without adding significant bulk. The key is focusing on strength and power, not bodybuilding-style hypertrophy training. Run-focused strength makes you faster, not slower.
How many times per week should runners strength train?
2 sessions per week is the minimum effective dose and sufficient for most runners. 3 sessions is optimal but may be too much during peak running blocks. During off-season or base building, more strength focus is possible.
Should I strength train on running days or rest days?
Both approaches work. Some runners prefer 'hard/hard' days (quality run + strength) to keep easy days easy. Others prefer strength on easy running days. Avoid heavy strength the day before key running workouts.
What if I'm sore from lifting?
Initial soreness (DOMS) is normal when starting strength training. It diminishes after 2-3 weeks of consistency. If soreness interferes with running, reduce lifting volume/intensity initially and build gradually.
Should I eat more if doing both?
Probably yes. Strength training adds caloric demand. Under-fueling while doing both running and lifting leads to poor adaptation, fatigue, and potential injury. Ensure adequate protein (1.4-1.8g/kg body weight) and total calories.

References

  1. Concurrent training research
  2. Coaching methodology
  3. Athletic performance studies

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