🏃 What does running do to your body?


Hi runners, 👋🏼

Katelyn here with newsletter #617!


I’ve got a packed lineup for you this Sunday, featuring an efficient total-body strength workout, your ultimate race-day checklist, and exploring the many ways running transforms your body and mind.

Plus, if you missed it, I've shared my full story of my grueling 100-miler at Run Rabbit Run.

  • 🏋️ Run stronger: An efficient full-body workout for runners: Build balanced strength, prevent injuries, and boost performance with this runner-focused routine.
  • 🏃 What does running do to your body? 16 reasons to keep lacing up: From brain to bones, here’s why every mile pays off in more ways than you think.
  • The ultimate marathon checklist: Everything you need to run your best race: From race-day gear to travel prep, here’s the list no marathoner should skip.
  • If you missed it… WATCH: My 100-miler story 🎥⛰️
    Training, nutrition, altitude, strategy, and the toughest miles—I break it all down.

Happy running! 🏃🏻‍♀️⭐

Katelyn Tocci
Managing Editor
Head Coach

What’s A Good Marathon Time? Average Marathon Times By Age, Sex + Ability

What’s A Good Marathon Time? Average Marathon Times By Age, Sex + Ability

💪 Run Stronger: An Efficient Full Body Strength Workout for Runners

🏃‍♀️ We don’t need to spend hours in the gym to reap the benefits of strength training. 💪

I prescribe my athletes full-body workouts just twice a week, which helps build strength, protects against injury, and enhances running performance.

⚡ In this guide, I break down exactly how to structure a full-body routine and the key compound moves to make it an efficient session.

What’s A Good Marathon Time? Average Marathon Times By Age, Sex + Ability

What’s A Good Marathon Time? Average Marathon Times By Age, Sex + Ability

❤️ What Does Running Do To Your Body? 16 Reasons to Keep Lacing Up

I know, I know, you already love to run and don't need much convincing 🏃‍♀️💨....

But, if you're a bit low on motivation and need a reminder of all the good you’re doing 💪❤️🧠 (or want to inspire a friend and send it along 👟✨), we break down 16 powerful benefits.

What’s A Good Marathon Time? Average Marathon Times By Age, Sex + Ability

What’s A Good Marathon Time? Average Marathon Times By Age, Sex + Ability

The Ultimate Marathon Checklist: Everything You Need To Run Your Best Race

Running Chicago, New York, Philly, Valencia, or any other fall marathon? 🍂🏅

Don’t let all your hard training go to waste because of a packing slip-up.

Our ultimate marathon checklist has everything you need for race week and race day, so you’re ready for anything the big day throws your way.

What’s A Good Marathon Time? Average Marathon Times By Age, Sex + Ability

What’s A Good Marathon Time? Average Marathon Times By Age, Sex + Ability

💯 WATCH: Why Run 100 Miles? Interview with Katelyn on her Run Rabbit Run experience

I share the whole story of my recent, grueling 100-miler, the Run Rabbit Run 100 in Colorado, with Thomas, discussing everything from training to altitude and nutrition, race strategy, and when things inevitably got tough: GI issues, two hailstorms, and worse.

If you’ve heard me mention the ultra in recent podcasts and want to learn more, or are curious about what it’s like to run a 100-miler, this conversation is for you.

Ready to crush your next running goal, but not sure where to start? 🏃‍♀️✨

Meet Katelyn, our UESCA-certified running coach with over a decade of experience helping runners of all kinds—whether you’re chasing your very first 5K finish line or gearing up for an ultra.

As a passionate ultra-runner herself, Katelyn knows the highs, lows, and everything in between. She’ll design a training plan that fits you—your fitness level, your schedule, and your goals. With unlimited messaging, ongoing feedback, and twice-monthly video check-ins, you’ll never feel like you’re training alone.

Your goals are within reach—let’s make them happen together. 💪🏼

Feedback? Hit reply and start a conversation with our team.

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