​

​Running News : Training Tips : Training Plans : Shoes+Gear : YouTube : Podcast​

Hi runners, 👋🏼 Katelyn here with newsletter #599!

Happy Sunday, everyone!

Today's newsletter covers everything from keeping your tummy in tip-top shape on the run, tools to measure your progress, and why running a marathon without training is always a bad idea.

Here is what I have for you:

• 🥴 Runner’s stomach explained: Causes, cures, and prevention: Why GI distress happens when you run and how to stop it from ruining your training or race.
  ​
• 🚫 Running a marathon without training: All the reasons it's a bad idea: Why skipping the prep can put your body (and race) at serious risk.
  ​
• 📊 Running age-graded calculator: Analyze, compare, & predict: See how your times stack up across ages and predict your next PR.
  ​
• Trail star Michelino Sunseri found guilty in Grand Teton FKT case: Elite runner faces fine and ban after taking a shortcut on a closed trail during a record-setting attempt.
  ​
• Sister Marion Irvine, record-setting ‘Flying Nun,’ dies at 95: The Dominican nun who became a marathon icon in her 50s leaves behind a legacy of grit, grace, and athletic excellence.​
  ​
• 🎧 If you missed it…Our latest podcast: Peak week explained: How to nail the hardest week of training for any distance.

Happy running! 🏃🏻‍♀️⭐

Katelyn Tocci
Managing Editor
Head Coach

Sponsored by: Betterhelp​ Get 25% Off the first month—Support That’s Always There For You Sitting on a beach. Relaxing in the countryside. Or… stuck at work? Online therapy with BetterHelp makes it easy to check in with yourself—no matter where you are. Learn More

​

​

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

🤢 Runner’s Stomach Explained: Causes, Cures, And Prevention​

Dealing with bloating, cramps, or nausea on your runs? 🏃‍♀️ You’re not alone. 🥴

Here’s what causes runner’s stomach—and how to stop it from ruining your workouts.

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

🏃‍♂️ Running A Marathon Without Training: ALL The Reasons It's A Bad Idea​

TikTok might say you can run a marathon without training 🏃‍♂️📱—but is it safe?

Here’s what you really need to know before lacing up for 26.2.

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

📊 Running Age-Graded Calculator: Analyze, Compare, & Predict​

🏃‍♂️📊 How fast really was your last race?

Our age-graded calculator enables you to compare results across different age groups, predict future race times, and assess your performance against world-class standards.

Try it now and uncover your true performance potential! 🚀

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

🏔️ Trail Star Michelino Sunseri Found Guilty in Grand Teton FKT Case​

🏔️ A record-breaking Grand Teton run turned into one of trail running’s biggest controversies.
​
⚖️ One year later, Michelino Sunseri now faces fines and a ban after being found guilty of cutting a closed trail.
​
🤔 What does this case mean for the future of FKTs and running on public lands?

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

🙏 Sister Marion Irvine, Record-Setting ‘Flying Nun,’ Dies at 95​

🙏👟 Sister Marion Irvine, known as the “Flying Nun,” rewrote what was possible for older athletes.
​
⏱️ From late-blooming marathoner to barrier-breaking icon, her story is one of faith, grit, and fearless reinvention.
​​
🌟 A life that continues to inspire runners to begin again, no matter the age.

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

​🎧 Peak Week Explained: How to Nail the Hardest Week of Training for Any Distance​ Every runner hears about peak week—that big, intimidating week near the end of training 🏃‍♂️📈 where mileage is maxed out and workouts look like boss-level challenges. But what actually makes it so important? 🤔 In this episode, Alex, Michael, and Katelyn dive into the history of peak weeks and periodization, the science behind why they work, and what they look like for different race distances. They’ll share practical tips to survive your toughest week, the mistakes to avoid, and a few peak week stories of their own. 👉 Whether you’re chasing a new PR 🏅 or training for your first big race 🎉, this guide to peak week will help you show up on race day fit, fresh, and ready to go. WATCH NOW Or listen and subscribe to the show wherever you get your podcasts:

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. 💪🏼 LEARN MORE

​

​

QUICK SPRINTS

• ​Coffee Before Running? Performance Benefits + How Much To Drink​
  ​
• ​Do You Have An Elevated Heart Rate After Exercise? Here's Why
  ​​
• ​Here Are The 10 Biggest Marathons In The World​