You did it! You’re officially my second favorite person - next to my dog.

Every Thursday I’ll send you science-backed tips to help you run your fastest.
From running workouts and gym tips to nutrition and supplement guides. Always based on the latest research.

I have one goal: to help you use science to optimize your training.

But, Can You Do Me One More Quick Favor?

Check your inbox for a welcome email.
It should be from me, Jonah Rosner, or the email: [email protected]
Can you respond to the email just saying “Yes”?

As a thank you, I’m entering you into a raffle to win 3 months of free coaching or running specific sport science testing at our lab in NYC!

You’re a legend. Thank you.

Let’s Connect!

Don’t forget to check out my Instagram where I share more shorter and more frequent tips to help you optimize your running and hybrid training!