How Exercise Changed My ADHD Journey- Personal Training with An ADHD Focus

When I was diagnosed with ADHD, I was handed two options.

Medication. Or therapy.

That was it. The doctor mentioned exercise almost as an afterthought. Something like "oh, and staying active can help too."

I'm not exaggerating when I say that exercise didn't just help my ADHD. It changed my life but it took so long for anyone to tell me that.

The before.

School was a nightmare. Not because I wasn't trying — I was trying constantly. I just couldn't hold focus. Couldn't sit still. Couldn't understand why everyone else seemed to find it so easy to just... get on with things.

I got through it. But I came out the other side with zero idea what I wanted to do, a long list of unfinished projects, and a brain that felt like a browser with 47 tabs open.

Then I got diagnosed. And things started to make sense.

But the medication conversation scared me. I wasn't ready for that. So I started looking at other options.

That's when I found the research.

What the science actually says.

Exercise increases dopamine, norepinephrine, and serotonin in the brain.

Sound familiar? Those are the exact same chemicals that ADHD medication targets.

When you exercise — especially aerobic exercise — your brain gets a flood of the neurotransmitters it's been struggling to produce. Focus improves. Impulsivity drops. The mental noise quietens down.

Dr John Ratey, a Harvard psychiatrist, calls exercise "Miracle-Gro for the brain." He's spent years studying the link between physical activity and brain function. His book Spark is worth reading if you want to go deep on the science.

But you don't need to read a textbook to feel the difference.

Go for a 20-minute run. Then try to concentrate. Tell me your brain doesn't feel different.

What changed for me.

I started training consistently about three years ago.

The first thing I noticed wasn't physical. It was mental. My ability to focus after a workout was noticeably better. Tasks that felt impossible before — sitting down, planning, actually finishing something — became more manageable on days I trained.

Then the routine kicked in. Training gave me structure. Something to anchor the day around. For an ADHD brain that struggles with time blindness and executive dysfunction, that anchor is massive.

I finished my Level 3 PT qualification. I launched this business. I kept going when most people with ADHD (myself very much included, historically) would have quit.

Three years. Still going.

That's not nothing.

Why I became a PT.

I don't want exercise to be a footnote anymore.

If one person reads this and decides to try using exercise to manage their ADHD before — or alongside — other treatments, that's a win. If I can help ADHD brains find a way into fitness that actually works for how they think, even better.

That's what CSS Per-fit is. Personal training that's built around the ADHD brain. Not despite it.

If any of this resonates, book a free consultation. Let's talk. Book a call here - cssper-fit.co.uk

Charlie is a Level 3 qualified Personal Trainer based in Kingston upon Thames, specialising in fitness for people with ADHD. He also holds an ADHD Awareness Diploma.