Published on:
5/11/2025

How Sofia, a 33-Year-Old Mom, Went From Pain to Ironman

From postpartum pain to full-distance Ironman finisher. See how 3 years of structured training at our Private Gym helped Sofia go from fear to freedom.
Kasper Vinther Personal Trainer and Physiotherapist at Nordic Performance Training Copenhagen.

Written by Kasper Vinther - Personal Trainer and Physiotherapist

Every transformation here is real — written by the client’s own coach.

These stories show how structured, consistent strength training works across different goals, ages, and starting points.

How Sofia, a 33-Year-Old Mom of Two, Went From Chronic Pain to Completing an Ironman

Sofia walked into our Private Gym in Copenhagen at 30, carrying chronic back pain and pelvic discomfort after two pregnancies. As a mom of two young children and working as a Marketing Specialist, she was exhausted, in pain, and frustrated.

Before becoming a mom, she’d been active and athletic. But after her pregnancies, everything felt different. Her body hurt, and she’d been told by multiple healthcare professionals that strength training — especially lifting heavy — was dangerous for her postpartum body and could make things worse.

“I’d bought an online training program from a popular coach,” Sofia explained. “But it was too advanced. I was afraid I was doing damage. Everyone kept telling me to be careful — that my body wasn’t ready.”

After three years of structured training three times weekly, Sofia is now completely pain-free, stronger than ever, and recently completed a full-distance Ironman. The transformation didn’t come from avoiding hard work — it came from building strength systematically and proving to her body that it was capable of far more than she’d been told to believe.

Here’s how a mom of two went from chronic pain and fear to completing one of the world’s toughest endurance events.

Client Sofia
Client
Sofia, 33, Mom of Two, Marketing Specialist
Goal
Become pain-free, build strength, and establish a consistent training habit
Before
Chronic back and pelvic pain, fear of strength training, inconsistent training habits
Plan
3x Full Body (3 hrs/week)
Time
3 years
Results
Pain-free within 6 months, 91%+ attendance across 3 years, completed full-distance Ironman, best shape of her life

When Healthcare Messaging Creates Fear

Sofia's pain story is common among postpartum women: chronic back and pelvic discomfort that healthcare providers struggled to resolve.

But the bigger problem wasn't the pain itself — it was the messaging around it.

"Multiple physiotherapists, doctors, and even friends told me I needed to be very careful with my body after having 2 kids," Sofia recalled. "That strength training, especially lifting heavy, was dangerous. That I could make the pelvic issues worse. That my body wasn't the same anymore and I needed to accept limitations."

This messaging created psychological fragility that exceeded any physical limitation. Sofia had bought an online training program, hoping to get back to strength training. But the program was too advanced for where she was, and without guidance, she was terrified of doing something wrong.

"I'd look at the exercises and think 'what if this makes it worse?'" Sofia said. "So I'd skip sessions, modify everything to be easier, and eventually just stop. The fear paralyzed me more than the pain did."

After months of sporadic attempts, Sofia had nearly accepted that consistent strength training just wasn't possible for her postpartum body.

Debunking the Myths

When Sofia started training with us, we spent significant time addressing the myths she'd been told.

The reality: strength training after pregnancy isn't dangerous. What matters is finding the appropriate starting level and progressing systematically with proper guidance.

"We had a direct conversation," Sofia recalled. "Kasper explained that my body was capable of far more than I'd been told. That the fear and caution everyone had given me was actually keeping me weak and in pain, not protecting me."

We started conservatively — finding variations of movements Sofia could do confidently — then built systematically from there. Every session proved her body could handle more than she expected.

"The consistent reassurance from Kasper was crucial," Sofia said. "When I'd get nervous about an exercise, he'd remind me: 'Your body is getting stronger. You can handle this.' That belief became mine over time."

The Pain Circle Metaphor

Early in training, I introduced what we call the Pain Circle.

“Imagine your pain as a small circle,” I told her. “That’s discomfort — it’s real, but around it is a bigger circle representing what you can still do: your capability, strength, and confidence.”

When Sofia began, her “capability circle” was tiny. The pain dominated her focus. But as we built strength, that outer circle expanded — she could do more, lift more, move freely.

“The pain didn’t vanish overnight,” Sofia reflected, “but it took up less space in my mind. My body stopped feeling fragile.”

Within six months, she was completely pain-free.

The 3-Year Journey

Sofia's transformation wasn't a 12-week program. It was a 3-year journey of consistent training, progressive challenge, and gradual adaptation.

Year 1: Pain was completely resolved, building basic strength, establishing consistent habit
Year 2: Progressive strength development, increased training confidence
Year 3: Continous strength work, endurance training integration, Ironman preparation

"The consistency was everything," Sofia said. "3 sessions weekly for 3 years. Some weeks felt easy, others felt hard. But I showed up, trusted the process, and my body kept adapting."

Her attendance over 3 years remained above 90% — remarkable consistency for a working mom of 2 young children.

"Training stopped being something I was trying to do and became just part of my weekly routine," Sofia explained. "Like brushing my teeth. Non-negotiable."

Sofia's Transformation

After 3 years of 3x weekly Full Body strength training:

Pain elimination:

Chronic back and pelvic pain completely resolved within 6 months
No limitations in daily activities
Can lift, run, and move without fear or discomfort

Strength development:

Significant strength gains across all major movements
Visible muscle development
Confident handling challenging loads

Consistency achievement:

90%+ attendance over 3 years
Training became non-negotiable weekly routine
Never returned to sporadic, fear-based approach

Athletic achievement:

Completed full-distance Ironman (3.8km swim + 180km bike + 42km run)
In best shape of her life at 33
From postpartum pain to elite endurance athlete

Identity shift:

From "mom whose body is broken" to "athlete who happens to be a mom"
From fear-based limitation to confidence-based capability
From managing pain to pursuing extraordinary goals

"I went from fearing lifting anything heavy because healthcare professionals said it was dangerous, to completing an Ironman. My body wasn’t broken — it just needed systematic strengthening and someone who believed in what it could accomplish." — Sofia

Why 3 Years Matters

Sofia's story shows that meaningful transformation isn't always a 12-week program. Sometimes it's a multi-year journey of consistent effort and progressive adaptation.

"The first 6 months eliminated my pain," Sofia reflected. "The next year built real strength and confidence. The third year? That's when I discovered what my body was actually capable of when I stopped limiting it based on fear."

The Ironman wasn't the goal when Sofia started. It became possible because she'd spent 3 years proving to herself that her postpartum body was far more capable than healthcare messaging had taught her to believe.

Kasper Vinther
By Kasper
Head Coach & Co-Founder of Nordic Performance Training
Sofia's transformation illustrates how damaging fear-based healthcare messaging can be for postpartum women.
When Sofia started with me, she wasn't physically incapable of strength training. She was psychologically paralyzed by being told her body was fragile and that challenging movements were dangerous.
The pain circle metaphor helped reframe her experience. Pain wasn't something to eliminate before training could begin — it was something that naturally decreased as capability increased. As Sofia proved she could handle progressively challenging weights, her nervous system recalibrated from high alert to confident capability.
Within 6 months, her chronic pain had completely resolved. Not through corrective exercises or careful avoidance, but through systematic strength development that proved her body was resilient and adaptive.
The 3-year timeline matters. Sofia didn't rush to an Ironman. She built a foundation of consistent training, developed genuine strength, then expanded into endurance training from a position of physical capability. This progression — strength first, then endurance — is why she succeeded where sporadic online programs had failed.
Postpartum bodies aren't broken. They're deconditioned and often fearful based on limiting healthcare narratives. Systematic strength training with optimistic coaching proves what's actually possible.

Ready to Discover What Your Body Is Capable Of?

Sofia spent years afraid to train because she was told her body was fragile. Three years later, she’s pain-free and stronger than ever.

If you’ve been told you need to “fix” things before you can begin real strength training, her story offers a different perspective.

Maybe your body doesn’t need more caution.

Maybe it needs systematic strengthening — and a coach who believes in what you can become.

Book your free start-up conversation at our private gym in Copenhagen and discover how structured strength training can rebuild confidence, strength, and freedom at any stage of life.

Kasper Vinther Personal Trainer and Physiotherapist at Nordic Performance Training Copenhagen.

Hi, I’m Kasper

Personal Trainer, authorized Physiotherapist & Co-Founder of Nordic Performance Training

I’ve worked as a personal trainer for over 12 years and as a physiotherapist for over 10 years — and co-founded Nordic Performance Training with Lucas 8 years ago to give clients a professional and structured way to train. Since then, I’ve helped hundreds of people build strength, stay consistent, and feel better through evidence-based methods that actually work. 

Along the way, I’ve completed advanced certifications, mentored under leading experts, and I’ve taught many trainers and physiotherapists internationally.

On this page, I share real client stories — so you can see what structured, consistent training looks like in practice.

All client stories feature real people and real results.
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