Mark Agnew
Adventure Speaker Mark Agnew builds resilient teams that view change and growth as an exciting challenge.
Motivational adventure speaker Mark Agnew recalibrated his brain in the Arctic
I must have rewired my brain on the hardest day of my life. Now, as a motivational keynote speaker, I build resilient teams that view change and growth as an exciting challenge, not just an obstacle.
There was one day in the Arctic where I thought I’d found my limit.
I almost cried.
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And now, I view stress and adversity as an exciting challenge, not a threat to overcome — because:
- My brain’s stress response is minimal
- My rational brain is in the driver’s seat
- Pain and discomfort no longer provoke fear
- My brain has prioritised the lessons from that hard day
How do I know this?
I can’t for sure — but I’ve been seeking an explanation for a shift I’ve felt since August 22, 2023.
Here’s What Happened
Mark Agnew moments after the crossing. Now, as a motivational speaker he builds resilient teams
We cast off for a 33-mile crossing.
The conditions were wretched.
Each stroke, I thought, “I cannot do another one of those” — and yet I did.
Time and time again.
For eight hours.
I welled up with tears as I paddled.
I was honestly astounded that I managed to push my body that hard.
But there was no time to rest.
We were about 50 days into our 103-day journey.
Instead of feeling daunted, I thought:
“If I could do THAT, I can paddle forever.”
It wasn’t just self-talk.
I felt it at a cellular level — like something in me had changed.
Kayaking through the Arctic for 103 days re-wired Mark Agnew, motivational keynote speaker's, brain.
Two Years On
Over two years later, I still have this confidence coursing through me.
I am next to unflappable.
So I turned to neuroscience for an explanation.
A Neuroscience Explanation
When you expose yourself to threatening situations, your brain can recalibrate.
Parts of my brain — the amygdala, prefrontal cortex, and insula, which process stress, rational thought, and the perception of threat — appear to have recalibrated.
And why can one day matter more than all the others?
Salience-Driven Plasticity
The brain prioritises the lessons from particularly stressful or meaningful days by assigning:
- dopamine (learning and reinforcement)
- noradrenaline (focus and arousal)
- endogenous opioids (pain modulation)
to the memory.
You Can Do It Too
If you want a less stressful life, seek out stress.
Find the sweet spot between comfort and anxiety — where stress provokes growth and recalibration.
You don’t have to kayak through the Arctic.
- Public speaking
- Cold calls
- Networking
- Asking for a raise
- Learning a new skill
- Running a marathon
- Anything outside your comfort zone, below the anxiety zone
All of these will do it.
Find Your Polar Bear
In my signature keynote — Find Your Polar Bear — I build resilient teams that view change and growth as an exciting challenge, not just an obstacle to overcome.