Unlock Your Fastest Running—With Strength Plans Backed by 10+ PhDs and NFL-Level Expertise

Built with 10+ PhDs and a decade of elite sport science, these strength plans boost speed, improve running economy, and build the durability to finish strong. All backed by the latest research.

Proven at the Highest Level of Elite Sport. Trusted by Runners Everywhere.


The Fix: A Strength Program Built for Runners.
Backed by Science.

This is different. This strength system was engineered by former NFL sport scientist Jonah Rosner and a team of 10+ PhDs, grounded in 50+ peer-reviewed studies to solve one problem:

How to make runner stronger, faster, and more injury resistant.

We threw out the bodybuilding fluff and focused only on what works, tested everywhere from NFL weight rooms to real-world marathon prep.


You’ll become:

A more powerful and resilient runner without compromising your most important workouts.

Zero junk lifts. Zero guesswork. Maximum carryover to your running.


Stop wasting effort on plans that weren’t built for you.
Train with a system designed to make you faster, stronger, and harder to break.

Unlock My Next PR

Your Welcome Offer Expires in 48 Hours

Your legs will thank you at mile 20

Join 2,537 Faster Runners

What Plan to Choose?

A detailed guide to help you pick the best combination of Strength (Base or Intermediate) and Marathon Plans (Beginner, Intermediate, Advanced or HYROX).

Expand each plan to see full details

Claim Your 48-Hour Offer

Don’t Miss Your Chance to Train Smarter for Less

Save big on the bundle and still grab those new running shoes you’ve been eyeing.

Join 2,537 Faster Runners

Who is Jonah Rosner?

Jonah is a sport scientist and performance coach with a decade of experience optimizing athletes in the NFL, NBA, and beyond. His work blends cutting-edge research, tech, and real-world coaching to help runners train smarter and perform better.

What is the New Subscribers Offer?

As a new subscriber, you have 48 hours to access this welcome bundle at this price.One-time payment, lifetime access, no subscription - but only during your 48-hour window.

Can I extend my 48-hour offer?

No, the 48-hour window is firm to be fair to all subscribers. After your deadline, you'll need to purchase at regular pricing.

When does my 48-hour window start?

Your 48-hour window starts from the moment you subscribe to Marathon Science. You'll receive an email with your unique link and deadline.

Who is this for?

Any runner who wants to get stronger without wrecking their legs. Whether you're training for your first half or chasing a sub-3 marathon, this plan fits around your running, not against it.

Do I need a full gym?

No. The plan includes smart swaps for bodyweight or minimal equipment if you're not training in a gym.

Will this make me bulky?

No. The volume and structure are designed to build strength and power, not mass.

Can I use this mid-marathon block?

Yes. It’s built to support your race training with minimal added fatigue, so you can keep hitting your long runs and key workouts.

What if I’m not ready to start right away?

No problem. All downloads and future updates will wait in your inbox. Start when you're ready.

Is $59 or $109 a subscription?

No. It’s a one-time payment. You get lifetime access to everything. No hidden fees and no recurring charges.


30-Day “Stronger or It’s Free” Guarantee

If you don’t feel noticeably stronger, more durable and more confident in your training within four weeks, just email us. No forms, no hoops. 100% refund. You put in the work. We’ll back the results