Why belief — not ability — is what really holds you back, and how to change it.

Mindset Mastery with Deirdre Maguire

Mindset Mastery with Deirdre Maguire
Why belief — not ability — is what really holds you back, and how to change it.
Apr 29, 2026
Deirdre Maguire

Yesterday — London Marathon.

26.2 miles
 Thousands of runners

 All hit a hard moment

Key line:
“It’s not the marathon that stops them…
it’s what happens inside them.”

 TEACHING (BANNISTER MOMENT)

1954 — Roger Bannister

 First man to run a mile under 4 minutes
  Said to be impossible

BUT…

Within 18 months — broken over 40 times
  Now — 2000+ people have done it

Key learning
 “What changed wasn’t the body…
  it was the belief.”

Same with the marathon.

One person breaks the limit
  Others realise: it’s possible


“Limits fall when belief changes.

 3 STEPS (SIMPLE + CLEAR)

1. CATCH IT “What’s happening inside me?”

 Stress?
  Doubt?
 Overthinking?

2. CALM IT  Slow it down.

 Breathe.  Reset.  Regulate.

Line:
You don’t make good decisions in a stressed state.

3. CHOOSE IT “What’s my next step — if I was calm?”

Not the whole marathon
 Just the next step..


You’re not stuck…

You’re solving the wrong problem.

And when you change what’s happening inside…

everything outside starts to move.”

“Once one person proves it’s possible… it becomes available to everyone.”

Why belief — not ability — is what really holds you back, and how to change it.“Yesterday was the London Marathon… tens of thousands of people running 26.2 miles through the city.

And here’s what struck me…

Not everyone who started that race had the same fitness…
 Not everyone had the same conditions…

But the ones who finished?

They all had to solve the same problem.”

(Pause)

“And it’s the same problem you and I face every single day.”

Teaching (Relatable + Clear)

At some point in that marathon…

Their legs were sore.
 Their mind started to doubt.
 Their body wanted to stop.

Now here’s the key…

 The problem wasn’t the marathon.
  The problem was what was happening inside them in that moment.

And that’s the same for all of us.

Whether it’s stress…
 A difficult conversation…
 Money worries…
 Or just feeling overwhelmed…

It’s not the situation itself that stops you.

It’s how you meet it.

Because just like in that marathon —
 some people hit the wall and stop…

…and others hit the same wall and find something within themselves to keep going.

 

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