Feel 10 YearsYounger in 90 Days.
Assessment-based longevity coaching for adults 40+ in Las Vegas. Build strength, improve endurance, and create habits that let you fully participate in life.
Built from experience.
Designed for life.
I'm Coach Reinier Geyser, founder of EPIC90. After decades of coaching, 50+ marathons, Ironman races, mountain expeditions, and a lifetime of testing what keeps us strong and capable as we age, I built EPIC90 around one question:
How do we make our healthspan match our lifespan?
EPIC90 turns those lessons into a practical 90-day system for people who want to stay strong, capable, and ready for what comes next.
Decades of coaching
Experience behind the system
50+ marathons
Including Comrades Ultra
4× Ironman
Full-distance finisher
A lifetime of adventure
Mountains, trails, expeditions
You don't have to do what I've done. EPIC90 exists to help you keep doing what matters to you.
The EPIC90 Life System™
A journey, not a workout plan.
Assess
Know where you are.
Build
Strengthen what matters.
Challenge
Put capability to work.
Connect
Don't do it alone.
Live
Use your health to live fully.
Assess
Know where you are.
Build
Strengthen what matters.
Challenge
Put capability to work.
Connect
Don't do it alone.
Live
Use your health to live fully.
For adults 40+ who refuse
to stop growing.
Parents. Grandparents. Professionals. Former athletes. People who know something has to change — and are finally ready to do something about it.
The Benchmark Assessment
We don't guess.
We measure.
Your EPIC90 Benchmark Assessment establishes where you are today across strength, endurance, mobility, body composition, habits, and recovery — giving us a measurable starting point for your next 90 days.
Coaching Programs
Which path is right for you?
Every program is 90 days and starts with a Benchmark Assessment.
One-on-One
A fully personalized 90-day program built around your body, schedule, and goals.
For those who want dedicated, individual attention.
Learn moreCouples Coaching
Train together with individual programs for each partner and shared accountability.
For partners who want to grow stronger together.
Learn moreGroup · Community
Founders Camp™
Group coaching with community-driven accountability, challenges, and adventure.
For those who thrive alongside others.
Learn more
You don't do this alone.
Upcoming Boomchakalaka
BOOMCHAKALAKA: COMRADES MARATHON — SOUTH AFRICA 2027
South Africa · June 2027 · An EPIC90 Walkabout built around one of the world's legendary ultramarathons.
Las Vegas · Adults 40+