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Train smarter with Matt Johnson

Join ultrarunner Matt Johnson in using DEXA data to build endurance without sacrificing strength. Get $10 off with code MJ.

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Learn how Matt optimizes ultra training with DEXA data

AI-powered body composition analysis

Get targeted results based on your goals

Track what matters for endurance

Ultra Training Insights

Why do ultra runners need DEXA scans?

High-mileage training changes your body in ways your watch can't measure. While your apps track distance and pace, DEXA shows you what's actually happening to your muscle mass and bone density during those long training blocks. Start understanding the true impact of your training. Get started

How does Matt use DEXA data?

Regular scans help maintain the crucial balance between endurance and strength. Monitor muscle mass during peak mileage weeks, ensure your body isn't breaking down during intense training blocks, and optimize your nutrition for those long mountain days. Get started

What makes DEXA essential for trail runners?

Mountain ultras demand both endurance and strength. DEXA helps you maintain the muscle mass needed for technical trails and climbs while optimizing your body composition for endurance. Track left-right symmetry and ensure your training builds resilience for the long miles ahead. Get started

When should ultra runners get scanned?

Start with a baseline scan before your training block. Track changes every 8-12 weeks through your build, and monitor recovery after key races. This data helps you maintain strength while building the endurance needed for ultra distances. Get started

Trusted by endurance athletes nationwide!

Alex K.San Francisco, CA

The precision of DEXA completely changed my training. I discovered my smart scale was off by 8% on body fat - this level of accuracy is unmatched.

512

Maya S.Dallas, TX

The segmental analysis helped me identify and correct muscle imbalances I never knew I had. My training is now much more targeted and effective.

1,315

James L.Seattle, WA

As someone obsessed with data, DEXA gives me the precise metrics I need to optimize my training and nutrition. The bone density tracking is a game-changer.

745

Riley P.Los Angeles, CA

I've been working out & eating on a calorie deficit, but my scan showed I was actually burning muscle (not fat). A few changes to my diet made a HUGE difference!

233

David M.Austin, TX

After my scan, I adjusted my meal prep, balancing macronutrients and protein timing, and finally saw real muscle growth and body composition improvements.

816

Alex K.San Francisco, CA

The precision of DEXA completely changed my training. I discovered my smart scale was off by 8% on body fat - this level of accuracy is unmatched.

512

Maya S.Dallas, TX

The segmental analysis helped me identify and correct muscle imbalances I never knew I had. My training is now much more targeted and effective.

1,315

James L.Seattle, WA

As someone obsessed with data, DEXA gives me the precise metrics I need to optimize my training and nutrition. The bone density tracking is a game-changer.

745

Riley P.Los Angeles, CA

I've been working out & eating on a calorie deficit, but my scan showed I was actually burning muscle (not fat). A few changes to my diet made a HUGE difference!

233

David M.Austin, TX

After my scan, I adjusted my meal prep, balancing macronutrients and protein timing, and finally saw real muscle growth and body composition improvements.

816

Alex K.San Francisco, CA

The precision of DEXA completely changed my training. I discovered my smart scale was off by 8% on body fat - this level of accuracy is unmatched.

512

Maya S.Dallas, TX

The segmental analysis helped me identify and correct muscle imbalances I never knew I had. My training is now much more targeted and effective.

1,315

James L.Seattle, WA

As someone obsessed with data, DEXA gives me the precise metrics I need to optimize my training and nutrition. The bone density tracking is a game-changer.

745

Riley P.Los Angeles, CA

I've been working out & eating on a calorie deficit, but my scan showed I was actually burning muscle (not fat). A few changes to my diet made a HUGE difference!

233

David M.Austin, TX

After my scan, I adjusted my meal prep, balancing macronutrients and protein timing, and finally saw real muscle growth and body composition improvements.

816

Alex K.San Francisco, CA

The precision of DEXA completely changed my training. I discovered my smart scale was off by 8% on body fat - this level of accuracy is unmatched.

512

Maya S.Dallas, TX

The segmental analysis helped me identify and correct muscle imbalances I never knew I had. My training is now much more targeted and effective.

1,315

James L.Seattle, WA

As someone obsessed with data, DEXA gives me the precise metrics I need to optimize my training and nutrition. The bone density tracking is a game-changer.

745

Riley P.Los Angeles, CA

I've been working out & eating on a calorie deficit, but my scan showed I was actually burning muscle (not fat). A few changes to my diet made a HUGE difference!

233

David M.Austin, TX

After my scan, I adjusted my meal prep, balancing macronutrients and protein timing, and finally saw real muscle growth and body composition improvements.

816