Transition Logo

🔥 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 achieving 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 TRI90 Challenge

Before

Starting the journey with determination

After TRI90 Challenge

After

Transformed body, unbreakable mind

-15
lbs lost
+25%
strength gain
90
days committed
100%
transformed

“TRI90 didn't just change my body - it changed my entire mindset. I'm stronger, more confident, and ready for any challenge.”

- Alex, TRI90 Finisher

The Challenge

What is TRI90?

More than a workout 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, optimized nutrition, and recovery protocols that elite athletes use.

Built for Longevity

This isn't about burning out in 90 days. TRI90 creates 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 methodologies used by professional triathletes and endurance coaches worldwide.

Cardiovascular

Build an engine that lasts

Mental Toughness

Unbreakable mindset

Strength

Functional power

Recovery

Optimize adaptation

The Rules

6 Non-Negotiable Rules

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

Rule 1

Use the Transition App Daily

Download and use the Transition app to follow your personalized training plan. Complete every workout as prescribed by your AI coach. Swimming, biking, running, and strength training - no exceptions, no modifications.

Rule 2

Follow Your Transition Nutrition Plan

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

Rule 3

No Alcohol for 90 Days

Zero alcohol consumption. This eliminates empty calories, improves sleep quality, and maximizes recovery between training sessions.

Rule 4

Take a Progress Photo Daily

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

Rule 5

No Cheat Days, No Excuses

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

Rule 6

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 transforms ordinary people into extraordinary athletes

Step 1

Set Your Goal

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

Step 2

Train Daily

Follow your structured workouts across swim, bike, run, and strength. Each session builds toward your goal.

Step 3

Track Progress

Monitor your improvement through data, photos, and performance metrics. See yourself transform.

Step 4

Become Unstoppable

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

Why Triathlon?

The Ultimate Test of Character

Three disciplines that forge unbreakable mental strength

Swimming: Conquer Fear

Swimming can be daunting - the water, the breathing, the technique. But that's exactly why it's powerful. Every stroke forces you out of your comfort zone. You'll conquer the primal fear of water and discover strength you never knew existed.

“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 mind 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 when everything hurts, you can still choose to keep going.

This is 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 the unshakeable mindset that carries over into every area of your life.

Longevity Focus

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. Build lasting change through intelligent 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