Surviving the Baby Years: Fitness for New Dads

I remember standing in the kitchen at 3am, bouncing a screaming baby on my shoulder, wearing a sick-stained t-shirt that I’d already worn for two days straight, thinking: “I haven’t moved my body properly in six weeks.” The kettlebell in the corner of the spare room had collected so much dust it looked like a garden ornament. My trainers hadn’t been touched since before the birth. And the worst part? I felt guilty about it — like I was somehow failing at the one thing I’d promised myself I’d keep going. If any of that sounds familiar, I want to start by telling you something important: you are not failing. You are surviving one of the most physically and emotionally demanding periods of your entire life. The fitness stuff? It can wait its turn — but it doesn’t have to disappear entirely.

The First Six Months: Survival Mode Is the Goal

Let’s just be honest about this upfront. The first six months with a newborn are not a time for new personal bests. They’re not a time for hitting ambitious fitness goals or overhauling your diet. They’re a time for getting through the day, being present for your partner and baby, and keeping yourself just functional enough to do it all again tomorrow.

Lower the bar — and mean it

I’ve spoken to a lot of dads about this period and the common thread is guilt. Guilt that they’re not exercising like they used to. Guilt that they’ve put on a bit of weight. Guilt that the most athletic thing they’ve done all week is carry a pram up a flight of stairs. That guilt is wasted energy, and I say that as someone who felt every bit of it himself.

Your job right now is to stay in the game at all. Not to win it — just to stay in it. That means redefining what “fitness” looks like for this chapter. A 15-minute workout counts. A 20-minute walk with the pram counts. Doing a few sets of press-ups while the baby naps counts. None of it is wasted. All of it adds up.

Why you shouldn’t abandon it completely

Here’s the thing though — and I want to be direct about this — letting fitness completely fall away during the baby years is a mistake, not because of how it affects your body, but because of how it affects your mind. Exercise is one of the most effective tools we have for managing stress, improving sleep quality, and regulating mood. When you’re running on four or five hours of broken sleep and operating at a constant low-level state of anxiety, movement is not a luxury. It is, genuinely, part of your sanity strategy.

Even brief bouts of exercise — ten to fifteen minutes of something that gets your heart rate up — have been shown to improve mood and reduce stress hormones. The NHS recommends at least 150 minutes of moderate activity per week for adults, but even a fraction of that is better than nothing. Don’t let the perfect be the enemy of the functional.

What Realistic Fitness Actually Looks Like

Once you’ve made peace with lowering the bar, the next step is figuring out what genuinely fits inside your life right now — not the life you had before the baby, and not the life you’ll have when they’re at school. This life. The one with the 5am wake-ups and the unpredictable nap schedules.

The 15-minute workout is a real thing

I used to think anything under 30 minutes wasn’t worth bothering with. I was wrong. When our second was born and our eldest was two, I had exactly zero predictable windows of free time. What I did have, occasionally, was 15 minutes while my partner had the baby and I wasn’t needed. I learned to use those windows.

A 15-minute session of bodyweight circuits — press-ups, squats, lunges, a plank — isn’t going to turn you into an athlete, but it will maintain a base level of strength and get blood moving. Over time, that baseline matters. It’s the difference between someone who stayed in the game and someone who has to start from scratch in two years. If you want structured ideas for fitting workouts into tiny windows, I’ve put together some short but effective sessions for dads with no time that work just as well in 15 minutes if you cut them in half.

Nap time training: a brief but powerful window

The nap time window is sacred. I know you’ve been told to sleep when the baby sleeps, and yes, sometimes that’s absolutely the right call. But occasionally — maybe two or three times a week — using a 20-30 minute nap window to do something physical is a reasonable trade-off. Keep your kit ready. Don’t waste ten minutes looking for your trainers. Know exactly what you’re going to do before the baby closes their eyes.

The secret is to have a default session — something you know so well you can do it without thinking. For me it was a simple circuit: press-ups, goblet squats with a kettlebell, a few rows using a resistance band, and some core work. Nothing fancy. Done in 20 minutes. Felt human again.

The Pram Run and the Walk That Counts

One of the things nobody tells you before you become a dad is how much time you will spend walking. Babies love motion. Toddlers need air. You will push that pram up and down roads you never knew existed, wearing grooves into pavements with your wheels. And that, my friend, is exercise.

Walking is genuinely underrated

I was a “proper training or nothing” kind of person before kids. Walks felt like something you did when you were injured, not something that counted. I’ve completely revised that view. A brisk 30-minute walk — especially with the slight resistance of a loaded pram — elevates heart rate, burns calories, supports cardiovascular health, and gets you out of the house when the walls are closing in. On days when a proper workout is simply not happening, a long walk with the baby is the move.

Pram running: harder than it looks, brilliant when it works

Once your baby has enough neck strength — typically around six months — running with the pram becomes an option. I started doing this around the seven-month mark with my youngest and it became one of my favourite forms of exercise. It’s slower than running alone. You can’t use your arms in the same way. Cornering is an adventure. But it gets you out, it gets you moving, and the baby often loves it.

A few practical tips: invest in a running-specific pram or a sturdy all-terrain model if you plan to do this regularly, keep your pace conversational to start with, and pick routes with decent pavement. The pram run, combined with some home-based strength work, was genuinely how I maintained a basic level of fitness through the early toddler years.

Training on Broken Sleep

This one deserves its own honest conversation, because training when you’re properly sleep-deprived is a different animal entirely. There are days when five hours of broken sleep leaves you feeling like you’ve been turned inside out, and on those days, forcing yourself through a hard workout isn’t being tough — it’s being counterproductive.

Know when to scale back, not push through

Your body’s ability to recover from exercise is directly tied to sleep. When sleep is severely disrupted, high-intensity training can actually increase cortisol, suppress immune function, and leave you feeling worse rather than better. So on the genuinely brutal days — the ones where you’ve been up four or five times and you’re functioning on fumes — choose gentle movement over hard training. A walk. Some stretching. Maybe a short mobility session.

On the days when sleep was merely bad rather than catastrophic, a lower-intensity workout is fair game. Halve the weight, keep the movement, skip the sprints. Staying in the habit of moving — even at reduced intensity — is more valuable than either forcing hard sessions or skipping entirely. If you want to understand the knock-on effects of poor sleep on your energy and training, I’d really recommend reading through how to sleep better as a dad and have more energy — it covers some practical strategies that made a real difference for me.

Lower intensity doesn’t mean lower value

One of the best things I did during the sleep-deprived phase was shift my mindset away from “sessions” and towards “movement”. Stretching in the morning. Walking at lunchtime. A few bodyweight exercises before bed. None of it felt like training in the traditional sense, but it kept my body ticking over and my head clearer than it would otherwise have been.

Partner Support and Making It Work Together

Fitness in the baby years doesn’t happen in isolation. It happens within a relationship that is also under enormous pressure, where both people are exhausted and both people need something for themselves. Getting this wrong — treating your training time as non-negotiable while your partner gets nothing — is a fast route to resentment.

Have the honest conversation

My wife and I had to sit down and actually talk about this — about how we’d each carve out a small amount of time for ourselves without it coming at the other’s expense. We settled on a rough system: each of us got two or three windows per week that were ours. During those windows, the other person was fully on. No texts, no “can you just…”, no exceptions. It wasn’t always perfect, but having the agreement in place meant neither of us felt like we were stealing time.

If your partner is also trying to get back to exercise — whether that’s postnatal recovery, running, or anything else — treat their need as equal to yours. A household where both people get to move and feel like themselves is a more functional, happier household.

The “trade” system

Practical tip: frame it as a trade. “I’m going to do 25 minutes while you have the baby — then it’s your 25 minutes.” It removes the guilt, it removes the resentment, and it stops exercise feeling like something one person is getting away with at the other’s expense.

When Does It Get Easier?

I won’t lie to you and pretend there’s a magical date when everything becomes manageable. It’s a gradual loosening, not a switch. But I can tell you from experience that somewhere around the 12-18 month mark — when sleep starts to consolidate, when routines become more predictable, when you’re not in pure survival mode quite as constantly — you’ll start to find actual windows again. Windows long enough to build something, not just maintain a pulse.

When that time comes, use it. Don’t wait until things are “perfect” or until you feel fully rested or until the stars align. Start building back up gradually, remember what your body can do, and appreciate the fact that you kept the thread going even when life was at its most chaotic. That thread — however thin it got — is the reason you’re still in the game.

The baby years are hard. They’re the most exhausting, overwhelming, and occasionally wonderful thing I’ve ever done. But they do not have to mean the end of taking care of yourself. Keep it simple, keep it consistent, and keep showing up in whatever small way you can. Future you — the one who’ll eventually have a full night’s sleep again — will be very glad you did.