🎙 The Engine Room for Endurance

Natalie Coles — Supercentenarian researcher | Will Harbourne — Founder & GP, LongGame Ventures

Biological youth vs chronological age. Stress, rhythm, mitochondria, and what the world’s oldest people (supercentenerians) teach us about going long.

Most people say they want longevity.

Very few think seriously about what it actually requires.

Not in slogans.

Not in supplements.

Not in abstract.

But in rhythm.

In biology.

In the systems that let a human body stay useful for far longer than expected.

In this episode, we sit down with Natalie Coles, who has spent years studying supercentenarians — people who live past 110 — and Will Harbourne, investor in lifespan and deep biology, to ask a simple question:

What can the world’s oldest people teach us about staying strong, clear, and functional for longer?

This is not a conversation about immortality.

It is about the long game:

how people age, why some age better than others, and what founders, investors, and endurance athletes can learn from the rare humans who have already stretched the curve.

We break down the operating system behind longevity and preserved function:

• Why supercentenarians often look quieter internally — less stress, less inflammation, more stability

• What rhythm, consistency, and family support have to do with aging well

• Why the microbiome, mitochondria, and immune system matter for both performance and lifespan

• How chronic stress compounds biologically over decades

• Why data and biomarkers matter when used longitudinally, not obsessively

• What normal people can do today before advanced longevity therapies arrive

This episode explores a less fashionable but more useful view of longevity:

not as optimization theatre, but as disciplined biological stewardship.

The lesson is not just to live longer.

It is to stay useful for longer.

Endurance sport, company-building, and healthy aging all reward the same thing:

a system that holds over time.

Here is what founders, investors, and athletes can apply immediately:

Get the basics boringly right.

Sleep, movement, recovery, stress, and metabolic health still matter more than fantasy interventions.

Treat stress as biological, not just emotional.

If you run your nervous system like a war zone for decades, the bill will arrive.

Measure trend, not panic.

Longitudinal biomarker tracking matters more than one dramatic snapshot.

Build the right support system.

Community is not a soft variable. It is part of resilience.

Think in decades.

The long game is not won by intensity alone. It is won by preserving function.

Future therapies may help — but they will reward the prepared.

The people most likely to benefit from the next wave of lifespan tech will be the ones who kept their systems intact long enough to reach it.

In both sport and business, durability is rarely loud.

It is built in rhythm.

In consistency.

In the invisible systems that let you keep going.

Natalie Coles has spent years studying supercentenarians — people who live to 110 and beyond — helping collect and interpret biological data from some of the rarest longevity outliers on earth. She is a Supercentenarian Researcher..

Will Harbourne is founder and general partner of LongGame Ventures, investing at the frontier of lifespan, biology, and deep technology with a focus on companies that may extend healthy human life.

Endurance Capital is where Ironman world champions and Olympians, longevity thinkers, and operator-founders compare notes on pacing, recovery, biology, and decision-making when the horizon is long and the pressure is real.

We translate elite endurance and longevity thinking into practical playbooks for founders and investors who think in decades, not quarters.

Episodes every other week. In YouTube and wherever you listen to your pdcasts

About 60 minutes.

High-signal. Evidence-led. Practical.

Produced by Ignacio Garcia in partnership with OneFinePlay.

🎙 Pain to performance

Mirinda Carfrae — 3x IRONMAN World Champion

Pain tolerance vs system design. The brutal middle. How races and companies are actually decided.

Act 1 — Race Plan: Stakes & Origin

Most people admire the finish.

Very few understand the middle.

The quiet, grinding middle is where races are actually decided — and where most people begin to lose shape, lose clarity, or lose belief.

In this episode, we sit down with Mirinda Carfrae, a female IRONMAN world champion who showed men how to race the marathon with elegance, to explore what happens after the adrenaline fades and before the finish appears.

What matters in that stretch is not noise.

It is not bravado.

It is not a motivational speech.

It is whether pain becomes performance — or failure — depending on the system you have built around it.

Act 2 — The Build: Systems, Stress & Durability

We break down the operating system behind surviving — and performing through — the brutal middle:

• How to stay composed when the race stops feeling smooth

• Why elegance under fatigue is a competitive edge

• The training systems that make pain usable

• Recovery, rhythm, and emotional control under prolonged stress

• How to keep moving when results are still far away

• Why the middle is where belief gets tested, not announced

This episode explores the less glamorous side of elite performance: repetition, patience, restraint, and the invisible systems that allow champions to keep producing when the body is asking different questions than the mind expected. The middle is where durability reveals itself.

Act 3 — Translation: The Operator & Investor Playbook

Endurance and company-building share the same truth:

The real work happens after the excitement and before the payoff.

Here’s what founders and investors can apply immediately:

Respect the middle.

The hardest stretch is often where the advantage is built.

Pain needs a system.

Stress without structure becomes noise. Stress inside a system becomes progress.

Don’t mistake drama for performance.

The best operators often look calm because their process is doing the work.

Build for durability, not just intensity.

Can your pace survive the part nobody applauds?

The long horizon is won in the invisible stretch.

Not at the start. Not at the finish. In the grind.

In both racing and investing, the winner is often the one who stays functional the longest.

About Mirinda Carfrae

Mirinda Carfrae is an Australia-born female IRONMAN world champion based in Boulder, Colorado, known for marathon elegance and world-class performance over the long course.

About Endurance Capital

Endurance Capital is where Ironman world champions and olympians, longevity enthusiasts, and operator-founders compare notes on pacing, recovery, and decision-making when outcomes are unknowable and pressure is internal.

We translate elite endurance and longevity practices into practical playbooks for founders and investors who think in decades, not quarters.

Subscribe

Episodes every other week. In YouTube and wherever you listen to your podcasts.

About 60 minutes.

High-signal. Evidence-led. Practical.

Produced by Ignacio Garcia in partnership with OneFinePlay.

🎙 Fluid Intelligence

Mario Mola — 3× World Triathlon Series Champion

Pattern recognition in chaos. Flow as an edge. Smooth execution at race pace.

In short-course triathlon, races are decided in seconds.

A move forms. A wheel is lost. A surge reshapes the field.

There is no time to hesitate.

Only to read what is happening — and respond.

In this episode of Endurance Capital, Mario Mola reflects on what separates strong athletes from world champions: the ability to interpret the race in real time and adapt without emotional volatility.

This is fluid intelligence.

Not rigidity.

Not reaction.

Trained adaptability under pressure.

Act 1 — Race Plan: Stakes & Origin

Mario shares the inflection point in his career when he realized that fitness alone was not enough.

Early on, he tried to impose control — to execute the race exactly as planned.

But elite racing rarely follows a script.

The breakthrough came when he learned to observe first, decide second, and move with precision instead of force.

Fluid intelligence begins with awareness under pressure.

Act 2 — The Build: Systems, Stress & Recovery

We unpack the operating system behind adaptable performance:

• Pattern recognition trained under fatigue

• Staying metabolically calm in chaotic race dynamics

• Practicing variability to prepare for unpredictability

• Executing smoothly at maximum intensity

• Managing cognitive load under sustained stress

Mario explains how elite performers make split-second decisions without panic — and why smooth execution outperforms frantic effort.

Act 3 — Translation: The Operator & Investor Playbook

Markets move like race packs.

Fast. Competitive. Unstable.

The operators who last are not the most rigid — they are the most adaptable.

Three practical applications:

Build pattern recognition through repetition, not theory.

Stay calm enough to see signal when volatility spikes.

Create operating systems flexible enough to adapt without losing identity.

In racing — and in investing — intelligence is not fixed.

It is fluid.

About Mario Mola

Mario Mola is a three-time World Triathlon Series Champion and one of the most tactically intelligent short-course racers of his generation. His career reflects composure, adaptability, and decision-making at speed.

About Endurance Capital

Endurance Capital is where world champions, longevity scientists, and operator-founders compare notes on pacing, recovery, and decision-making when outcomes are unknowable and pressure is internal.

We translate elite endurance and longevity science into practical playbooks for founders and investors who think in decades, not quarters.

Episodes every other week. In YouTube and wherever you listen to your podcasts.

About 60 minutes.

High-signal. Evidence-led. Practical.

Produced by Ignacio Garcia in partnership with OneFinePlay.

Mark Allen — 6× IRONMAN World Champion

Strategic pacing vs raw power. Rituals. Conviction under incomplete data.

Mark Allen didn’t become a 6× IRONMAN World Champion by going harder.

He won by going smarter.

In this episode, Mark reflects on the decisive shift in his career — the moment he stopped racing emotionally and began racing strategically.

What changed wasn’t talent.

It was pacing.

We explore how elite performers hold restraint when the pressure to surge is overwhelming — and why that discipline becomes decisive over long horizons.

We break down the operating system behind Mark’s success:

• Strategic restraint in the opening miles

• Internal anchoring vs external comparison

• Training blocks built for durability, not heroics

• Recovery as a competitive advantage

• Emotional regulation under physical stress

Mark shares the rituals and mental frameworks that allowed him to close impossible gaps — not through aggression, but through metabolically controlled conviction.

Endurance and capital allocation share the same constraint:

Finite energy. Infinite uncertainty.

Here’s what founders and investors can apply immediately:

1. Don’t surge early.
2. Blitz-scaling without durability destroys optionality.
3. Separate noise from signal.
4. Emotional volatility leads to strategic errors.
5. Pace for decades.
6. Ask: Can this intensity be sustained for 10 years?

In both racing and investing, the winner is rarely the fastest starter.

It’s the one who finishes strongest.

Mark Allen is a 6-time IRONMAN World Champion and one of the greatest endurance athletes in history. His career redefined what was believed possible in long-distance racing — not through raw aggression, but disciplined pacing and strategic composure.

Endurance Capital is where Ironman world champions and olympians, longevity enthusiasts, and operator-founders compare notes on pacing, recovery, and decision-making when outcomes are unknowable and pressure is internal.

We translate elite endurance and longevity practices into practical playbooks for founders and investors who think in decades, not quarters.

Episodes every other week. In YouTube and wherever you listen to your podcasts.

About 60 minutes.

High-signal. Evidence-led. Practical.

Produced by Ignacio Garcia in partnership with OneFinePlay.

🎙 Endurance Capital — Official Trailer

Where endurance meets capital.

Endurance Capital explores what it takes to build — in sport, in business, and in life — when the horizon is long and the pressure is internal.

Born in Kona (Hawaii) and shaped by a global founder-investor community, this series brings together ironman world champions and olympians, operators, investors, and longevity thinkers to answer one question:

How do you pace yourself for outcomes that take years — and still perform today?

This is not motivation.

This is not hustle.

This is about systems.

Each episode translates elite endurance principles into practical decision frameworks founders, investors, and high performers can apply immediately.

You’ll hear about:

• Pacing under uncertainty

• Recovery as competitive advantage

• Energy allocation over ego

• Long-horizon capital thinking

• Biological durability and resilience

Every conversation ends with clear takeaways you can use tomorrow.

Built for people who think in decades, not quarters.

Episodes every other week. In YouTube and wherever you listen to your pdcasts.