🔥 The Ultimate Fitness Challenge

TRI90
90-Day Triathlon Fitness Challenge

Transform your body and mind with our comprehensive 90-day triathlon fitness challenge. Build unbreakable mental toughness while reaching peak physical condition through structured swimming, cycling, running and strength training.

10,000+ Athletes
90-Day Commitment
Proven Results

Real Results

90-Day Transformation

See what’s possible when you commit to excellence for 90 days

Before the TRI90 Challenge

Before

Starting the journey with determination

After the TRI90 Challenge

After

Transformed body, unbreakable mind

-15
lb lost
+25%
strength gained
90
days committed
100%
transformed

TRI90 didn’t just change my body – it changed my whole mindset. I’m stronger, more confident, and ready for any challenge.

– Alex, TRI90 Finisher

The Challenge

What is TRI90?

More than a training program – it’s a complete lifestyle transformation that builds champions

Beyond 75 Hard

While 75 Hard builds mental toughness, TRI90 takes it further. You’ll develop the complete athlete mindset through structured triathlon training, optimised nutrition, and recovery protocols that elite athletes use.

Built for Longevity

This isn’t about burning out in 90 days. TRI90 builds sustainable habits that will keep you strong, healthy, and mentally resilient for decades to come.

Science-Backed Results

Every aspect is grounded in sports science and proven training methods used by professional triathletes and endurance coaches worldwide.

Cardiovascular

Build an engine that lasts

Mental Toughness

Unbreakable mindset

Strength

Functional power

Recovery

Optimise adaptation

The Rules

6 Non-Negotiable Rules

Simple rules, but not easy. That’s what makes champions.

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Use the Transition App Daily

Download and use the Transition app to follow your personalised training plan. Complete every session exactly as prescribed by your AI coach. Swimming, cycling, running, and strength training – no exceptions, no changes.

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Follow Your Transition Nutrition Plan

Stick to the personalised nutrition recommendations in your Transition app. Fuel like an athlete, and eat for performance and longevity. No deviations from your prescribed meal timing and macros.

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No Alcohol for 90 Days

Zero alcohol. This cuts out empty calories, improves sleep quality, and maximises recovery between training sessions.

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Take a Progress Photo Daily

Same time, same pose, same location every day. Visual accountability that shows your transformation over 90 days.

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No Cheat Days, No Excuses

90 consecutive days. Miss a day? Start again. This builds the mental strength that separates champions from everyone else.

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Share Your Journey

Post daily updates using #TRI90. Inspire others and stay accountable to the community.

Your Transformation

How TRI90 Works

A proven system that turns everyday people into extraordinary athletes

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Set Your Goal

Choose your target race distance or fitness goal. The AI will create a personalised 90-day plan.

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Train Every Day

Follow your structured sessions across swim, bike, run and strength. Each workout builds towards your goal.

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Track Your Progress

Monitor your improvement with data, photos and performance metrics. Watch yourself transform.

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Become Unstoppable

After 90 days, you’ll have the fitness, mindset and habits of a true athlete. The challenge ends, but the champion keeps going.

Why Triathlon?

The Ultimate Test of Character

Three disciplines that forge unbreakable mental toughness

Swimming: Conquer Fear

Swimming can be intimidating — the water, the breathing, the technique. But that’s exactly why it’s powerful. Every stroke pushes you beyond your comfort zone. You’ll overcome that primal fear of the water and discover strength you never knew you had.

The pool doesn’t lie. It strips away excuses and reveals who you really are.

Cycling: Master Complexity

Cycling demands technical skill, strategic thinking and meticulous planning. Gear ratios, aerodynamics, nutrition timing — every detail matters. This isn’t meant to be easy. The complexity builds the analytical mindset of a champion.

The bike rewards preparation and punishes shortcuts.

Running: Pure Grit

After swimming and cycling, your legs are already fatigued. Now you run. This is where champions are made — when your body screams stop but your mind says go. Running off the bike teaches you that limits are just suggestions.

The run separates the committed from the curious.

The Triathlon Mindset

Triathlon isn’t just three sports — it’s a philosophy. It teaches you that growth happens outside your comfort zone, that complexity can be mastered, and that even when everything hurts, you can still choose to keep going.

That’s why we chose triathlon. Not because it’s easy, but because it transforms you.

Why Choose TRI90

More Than Just Another Challenge

This is about becoming the person you’re capable of being

Complete Fitness

Build cardiovascular endurance, muscular strength, flexibility and power in one comprehensive program.

Mental Resilience

Develop an unshakeable mindset that carries over into every area of your life.

Focus on Longevity

Train for life, not just 90 days. Build habits that keep you healthy and strong for decades.

Community Support

Join thousands of athletes pushing their limits and supporting each other’s journey.

Proven Science

Every protocol is backed by sports science and used by elite endurance athletes worldwide.

Sustainable Results

No crash diets or extreme measures. Create lasting change through smart training.

Ready to Transform Your Life?

Join the TRI90 Challenge and become the strongest, most resilient version of yourself.

Download on the App StoreGet it on Google Play

Start your transformation today

#TRI90 • Share your journey • Inspire others