Strength Training for Runners: What I Should Have Done

I skipped strength training and got knee pain. Learn from my mistake. Here's the essential guide—no gym required.

By Alex · 9 min read

During my 24-week training block, I dealt with nagging knee pain. Probably from skipping strength training.

Don't be like me. Strength training makes you faster and keeps you healthy. Here's how to do it without spending hours in the gym.

Why Runners Need Strength Training

Research consistently shows strength training:

1. Improves running economy by 2-8%
2. Reduces injury risk by up to 50%
3. Increases power output for hills and sprints
4. Maintains muscle mass during high mileage

Yet most runners skip it. I did. I paid for it with knee pain that lingered for weeks.

How Much Is Enough?

Good news: You don't need much.

• 2 sessions per week (20-30 minutes each)
• Focus on key movements (not isolation exercises)
• Progressive overload (gradually increase difficulty)

This is enough to see significant benefits.

The Essential Exercises

Lower Body (The Foundation)

1. Single-Leg Squats (Pistol Progression)

Running is a single-leg sport. Train that way.

Progression:

1. Box step-downs
2. Assisted single-leg squats
3. Full pistol squats

Sets/Reps: 3 x 8-10 each leg

2. Romanian Deadlifts (RDLs)

Strengthens hamstrings and glutes—your power generators.

Form cues:

• Soft knee bend
• Hinge at hips
• Feel stretch in hamstrings
• Squeeze glutes at top

Sets/Reps: 3 x 10-12

3. Calf Raises

Your calves absorb 6-8x body weight with each stride.

Variations:

• Straight leg (gastrocnemius)
• Bent knee (soleus)
• Single leg for added challenge

Sets/Reps: 3 x 15-20

4. Glute Bridges / Hip Thrusts

Weak glutes = inefficient running = injuries (like my knee).

Progression:

1. Two-leg glute bridge
2. Single-leg glute bridge
3. Hip thrust with weight

Sets/Reps: 3 x 12-15

Core (Stability and Power Transfer)

5. Plank Variations

Core stability prevents energy leaks.

Progression:

1. Standard plank (30-60 sec)
2. Side plank (30-45 sec each side)
3. Plank with leg lift
4. Dead bugs

6. Bird Dogs

Coordination and anti-rotation strength.

Sets/Reps: 3 x 10 each side

Upper Body (Often Neglected)

7. Push-Ups

Arm drive matters, especially late in races.

Sets/Reps: 3 x 10-15

8. Rows (Any Variation)

Posture support for long runs.

Sets/Reps: 3 x 10-12

Sample Weekly Routine

Session A (20-25 min)

Session B (20-25 min)

When to Strength Train

Best timing:

• After easy runs (not before hard workouts)
• On rest days (if energy allows)
• Morning if you run in the evening

Avoid:

• Before long runs or speed work
• When heavily fatigued
• Less than 6 hours before a key run

Common Mistakes

1. Skipping It Entirely

This was me. Don't do this.

2. Too Much, Too Soon

Soreness that affects running defeats the purpose. Start light.

3. Wrong Timing

Heavy lifting before a key run = compromised workout.

4. Ignoring Single-Leg Work

Running is single-leg. Your training should be too.

Equipment You Need

Minimal:

• Your body weight
• A step or box

Nice to have:

• Resistance bands
• Dumbbells (7-15 kg)
• Foam roller

Not necessary:

• Gym membership
• Fancy machines
• Heavy barbells (for most runners)

The Bottom Line

Strength training is the highest-ROI activity most runners skip. Two 20-minute sessions per week will:

• Make you faster
• Keep you healthy
• Extend your running career

I learned this the hard way. My knee reminded me every run for weeks. Start with bodyweight exercises, progress gradually, and be consistent.

Now get your training paces dialed in with our Pace Calculator and combine smart running with smart strength work. Your future self will thank you.