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Running for Weight Loss: How to Start (From the Running with Precision Run Club)

A beginner-friendly guide to starting a running practice for weight loss, from Atlanta's physician-led run club.

Dr. Kelvin Brown, MD, MPHFebruary 28, 20254 min read
Running for Weight Loss: How to Start (From the Running with Precision Run Club)
Precision Health — Atlanta, GA

As a physician AND a marathon runner, I get asked one question more than almost any other: "I want to start running for weight loss, but I don't know where to begin."

That's exactly why I started Running with Precision — our free community run club in Atlanta. We welcome all levels, from people who haven't exercised in years to experienced runners training for their next race.

Here's my honest, medically-informed guide to starting a running practice for weight loss.

First Things First: Walking Counts

Let me say this clearly: walking is the foundation. If you haven't been active, starting with walking is not only okay — it's the smartest approach.

The biggest mistake new runners make is doing too much, too fast. That leads to injury, burnout, and giving up. Start where you are.

The 8-Week Walk-to-Run Progression

Here's the progression I recommend to my patients:

Weeks 1-2: Walking Foundation

  • Walk 20-30 minutes, 4-5 days per week
  • Focus on comfortable pace — you should be able to hold a conversation
  • Build the habit first, not the intensity

Weeks 3-4: Walk/Jog Intervals

  • Alternate 2 minutes walking with 1 minute light jogging
  • Total: 25-30 minutes, 4 times per week
  • The jog should feel easy — barely faster than your walk

Weeks 5-6: Extended Jog Intervals

  • Alternate 2 minutes walking with 3 minutes jogging
  • Total: 30 minutes, 4 times per week
  • Notice: you're now jogging more than you're walking

Weeks 7-8: Continuous Running

  • Jog 15-20 minutes continuously at an easy pace
  • Walk as needed — no shame in walk breaks
  • You're a runner now

Running and Weight Loss: What the Science Says

Running burns approximately 80-120 calories per mile, depending on your body weight and pace. But the weight loss benefits of running go far beyond calories burned during the workout:

  • EPOC (Afterburn Effect): Your metabolism stays elevated for hours after a run
  • Muscle building: Running builds lean muscle, which increases your resting metabolic rate
  • Appetite regulation: Regular exercise can actually improve appetite signaling
  • Stress reduction: Lower cortisol means less stress-related weight gain
  • Sleep improvement: Better sleep supports weight loss hormones

Common Mistakes to Avoid

Running Too Fast

The biggest mistake. Easy running should feel... easy. If you're gasping for breath, slow down. You should be able to talk.

Skipping Rest Days

Your body adapts during rest, not during the run itself. Take at least 2-3 rest days per week when starting.

Ignoring Nutrition

You can't outrun a bad diet. Running increases appetite — if you're not mindful of nutrition, you might eat back more than you burned. This is where working with our dietitian team can make a huge difference.

Not Getting Medical Clearance

If you haven't exercised in a while, if you have any health conditions, or if you're over 40 — get a check-up first. At Precision Health, we can do a comprehensive evaluation and clear you for exercise.

Running + Medical Weight Loss = Powerful Combination

The most successful weight loss patients I see are the ones who combine medical treatment with physical activity. GLP-1 medications reduce appetite, our dietitians optimize nutrition, and running builds fitness and burns calories.

It's a three-legged stool: medicine, nutrition, and movement. Remove any one and the stool tips.

Join Running with Precision

Our free community run club meets weekly at our Cascade Road location. Here's what to expect:

  • All levels welcome — walkers, joggers, and runners
  • No judgment — everyone starts somewhere
  • Physician-led — I'm there running (or walking) with you
  • Community — meet like-minded people on the same journey
  • Free — always has been, always will be

Whether you're on a weight loss program with us or not, you're welcome to join. The community is what makes it special.

Learn more about Running with Precision or book a health evaluation before you start.

See you on the road. 🏃‍♂️

runningweight lossfitnessrun clubexercisebeginnerscouch to 5K
Dr. Kelvin Brown

Dr. Kelvin Brown, MD, MPH

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