Transform your body and mind with our complete 90-day triathlon fitness challenge. Build unbreakable mental toughness while reaching peak condition through structured swim, ride, run and strength training.
Real results
See what’s possible when you commit to excellence for 90 days
Starting the journey with determination
Transformed body, unbreakable mind
“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
More than a workout program — it’s a complete lifestyle transformation that builds champions.
While 75 Hard builds mental toughness, TRI90 takes it further. You’ll develop a complete athlete mindset through structured triathlon training, optimised nutrition and recovery protocols used by elite athletes.
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.
Every part is grounded in sports science and proven training methods used by professional triathletes and endurance coaches worldwide.
Build an engine that lasts
Unbreakable mindset
Functional power
Optimise adaptation
The rules
Simple rules, but not easy. That’s what makes champions.
Download and use the Transition app to follow your personalised training plan. Complete every workout exactly as prescribed by your AI coach. Swimming, cycling, running and strength training — no exceptions, no changes.
Stick to the personalised nutrition recommendations in your Transition app. Fuel like an athlete — eat for performance and longevity. No straying from your prescribed meal timing and macros.
Zero alcohol. This cuts empty kilojoules, improves sleep quality, and maximises recovery between training sessions.
Same time, same pose, same spot every day. Visual accountability that shows your transformation over 90 days.
90 days in a row. Miss a day? Start again. This builds the mental toughness that separates champions from everyone else.
Post daily updates using #TRI90. Inspire others and stay accountable to the community.
Your Transformation
A proven system that turns everyday people into extraordinary athletes
Choose your target race distance or fitness goal. The AI will create a personalised 90-day plan.
Follow structured sessions across swim, bike, run and strength. Every workout moves you closer to your goal.
Monitor your improvement with data, photos and performance metrics. Watch yourself transform.
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?
Three disciplines that forge unbreakable mental strength
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 a deep, primal fear of 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 demands technical skill, strategic thinking and meticulous planning. Gear ratios, aerodynamics, nutrition timing — every detail matters. It’s not meant to be easy. The complexity builds the analytical mindset of a champion.
“The bike rewards preparation and punishes shortcuts.”
After swimming and cycling, your legs are already fatigued. Now you run. This is where champions are made — when your body screams to 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.”
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
This is about becoming the person you’re capable of being
Build cardiovascular endurance, muscular strength, flexibility and power in one complete program.
Develop an unshakeable mindset that carries over into every part of your life.
Train for life, not just 90 days. Build habits that keep you healthy and strong for decades.
Join thousands of athletes pushing their limits and backing each other’s journey.
Every protocol is backed by sports science and used by elite endurance athletes worldwide.
No crash diets or extreme measures. Build lasting change through smart training.
Join the TRI90 Challenge and become the strongest, most resilient version of yourself.
Start your transformation today
#TRI90 • Share your journey • Inspire others
