Cardio vs. Strength Training: How to Create the Right Balance in Midlife (And Why It's Not What You Think)

Let me guess. You've Googled "best cardio for weight loss" at least once this month. Maybe you've wondered if you're doing too much cardio, or not enough. Or maybe you're doing all the cardio, seeing none of the results, and quietly wondering what is even happening to your body.

Friend, I hear you. And I've got some things to tell you.

As a certified personal trainer, health coach, and menopause expert, one of the questions I get most often is some version of: "How do I balance cardio and strength training?" And the answer? It depends — but probably not in the way you've been told.

Let's break it down.

First: Why This Question Hits Different in Perimenopause and Menopause

Here's what nobody told us in our 20s and 30s: estrogen is deeply tied to muscle maintenance and fat distribution. When estrogen starts declining in perimenopause, your body becomes less efficient at holding onto muscle and very efficient at storing fat, especially around the midsection.

What does that mean for your workouts? It means the cardio-heavy approach that worked when you were 35 may be working against you now.  This is not a character flaw. This is biology. And the good news is, once you understand it, you can work with your body instead of fighting it.

Start Here . . .

Before you build a single week of workouts, you need to know what you're training for. This isn't just fitness advice, it's self-respect.

Ask yourself:

• Do you want to build strength and muscle to support your bones, joints, and metabolism long-term?
• Are you training for an event — a 5K, a hike, a trip that requires you to keep up?
• Are you trying to manage menopause symptoms like fatigue, mood swings, or poor sleep?
• Do you want to feel strong, capable, and confident in your body not just thin?

Your answers change your program. A woman training for a half marathon has a different plan than a woman whose primary goal is building muscle to protect her bone density. Both are valid. But you can't program well without knowing which one is you.

(Need help getting clear? Let's talk.)

The Case for Strength Training First

I'll just say it: if you're in midlife, strength training is non-negotiable.

Here's why:

• Muscle is metabolically active. More muscle = higher resting metabolism. Cardio burns calories while you do it. Muscle burns calories around the clock.
• Muscle protects your bones. Osteoporosis risk skyrockets after menopause. Resistance training is one of the most powerful tools we have to combat it.
• Strength training helps regulate hormones. It supports insulin sensitivity, reduces cortisol over time, and can help manage the hormonal chaos of perimenopause.
• It changes your shape. I'm not talking about getting bulky. I'm talking about the strong, defined look that most women tell me they actually want.

Aim for 2–4 strength training sessions per week, depending on your schedule and recovery. Mix it up: free weights, kettlebells, resistance bands, machines, bodyweight. Upper/lower splits, push/pull/legs, full-body, there's no wrong answer as long as you're progressively challenging yourself.

Cardio Isn't the Enemy — But Context Matters

Cardio absolutely has a place. It supports heart health, mood, sleep, and longevity. But not all cardio is created equal in midlife.

Here's a simplified guide:

HIIT (High Intensity Interval Training) Short bursts of intense effort followed by rest. Powerful for cardiovascular fitness and metabolism. Limit to 1–2 sessions per week in midlife.  Too much high-intensity work spikes cortisol, which can worsen menopause symptoms, disrupt sleep, and make fat loss harder.

Examples:

• Tabata: 20 sec work / 10 sec rest
• Equal work-to-rest: 30/30
• Positive rest (more rest than work): 15 sec work / 45 sec rest (great if you're newer to HIIT)

Moderate Intensity Cardio (MIC) Think: cycling, jogging, dancing, a fitness class that gets your heart rate up but doesn't leave you wrecked. Great for cardiovascular health without hammering your stress hormones. Aim for 2–3 sessions per week.

Steady State / Low Intensity Walking, light hiking, leisurely biking. Don't underestimate this.  It supports recovery, reduces cortisol, and counts toward your movement goals. Do it as often as you like.

A Realistic Weekly Framework

Here's a starting point for a woman in midlife balancing strength, cardio, and recovery:

This is a framework, not a rule. Life happens. Three 10-minute sessions count just as much as one 30-minute session. A client of mine does 10 minutes of yoga before work, a 10-minute walk at lunch, and 10 minutes of strength training in the evening and it works for your life. Done is better than perfect.

The One Thing Most Women Get Wrong

They do too much cardio and not enough strength training and then wonder why the scale isn't moving, why they feel tired, and why nothing seems to be "working."

If this is you, I want you to hear this: you are not failing. You've just been given outdated advice that wasn't designed for your body at this stage of life.

The women in my outdoor fitness group? We lift heavy. We build muscle. We are out here proving every week that strong is the goal and that it's absolutely achievable after 50.

Ready to Build a Plan That Actually Works for You?

You don't have to figure this out alone. Download The Athlete's Guide for more tips, or book a time to chat and let's build a program around your goals, your schedule, and your hormones.

You've got more years of strong ahead of you. Let's make sure you're training for them.