🚫 Why you shouldn't run a marathon


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Hi runners,

Jessy here with newsletter #524! πŸŽ‰

Happy Wednesday! ​
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Here's what I have for you today
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  • πŸ‘ŸπŸŽ₯ Our shoe expert Alex Cyr takes the newest update of an Asics classic, the Kayano, for a whole bunch of runs. Watch his review belowπŸ‘‡
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  • πŸ‘Ÿ With new running shoes, you’ll be tempted to slip them on immediately and go straight out for a run, but if you take the time to break them in first, you’ll thank yourself later.
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  • πŸ«€ Resting heart rate is a popular metric among runners. Want to see how your resting heart rate stacks up to the healthy averages?
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  • πŸ” In addition to your training, a well-balanced nutrition plan and marathon fueling strategy are just as critical as all the pieces to your marathon puzzle. ​
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  • 🚫 Should you even run a marathon? Do the pros outweigh the cons? We'll let you be the judge.
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  • πŸš€ WATCH: What Makes a Super Shoe Super? The science, the tech, and our top picks for 2025

Get ready to get faster!

Jessy Carveth
Senior News Editor

β€‹πŸ‘Ÿ How To Break In New Running Shoes: Guide, Benefits + 7 Pro Tips​

The moment when your fresh box of brand-new running shoes arrives is always an exciting one.

It’s likely you’ll be tempted to slip them on immediately and go straight out for a run, but if you take the time to break them in first, you’ll thank yourself later.
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Breaking in your shoes can help you avoid injuries and ensure that you’re comfortable and confident when out running.

​High Performance Footwear For Women​

Finally, running shoes designed for women, by women.

Hettas is reshaping performance footwear with cutting-edge shoes engineered around female biomechanics, not downsized men’s models. Every detail is dialed for the female foot from the lower heel collar that eliminates ankle rubbing to a snug, rounded instep for real comfort.

Choose your perfect match: Alma Cruise for easy miles, Alma Tempo for steady training, or Alma Speed for PR-chasing days. All feature our responsive VeloPropulsion tech for effortless energy return. Experience the fit, feel, and performance women deserve.

Hettas isn’t just a brandβ€”it’s a movement.

video preview​
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β€‹πŸ«€ What’s A Good Resting Heart Rate? Average Resting HR By Age And Sex​

As the term describes, resting heart rate refers to the rate at which your heart beats at rest, measured in the number of times your heart beats in a minute.

Your resting heart rate should be the lowest heart rate that you experience in a day, as any physical activity or movement will increase the muscles’ need for oxygen.

But what’s a good resting heart rate?

β€‹πŸ‘Ÿ ASICS GEL-Kayano 32 l Why Everyone Still Loves this Classic Stability Shoe​

We're diving into the ASICS GEL-Kayano 32, the latest version of one of the top stability running shoe lines.

Senior Editor Alex Cyr (a pronator himself) offers insights into its design and performance, and discusses whether it remains a worthwhile purchase in 2025 for runners seeking support shoes.
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Check it out!

β€‹πŸ” How To Fuel For A Marathon: What To Eat Before, During, + After Your Race​

Maintaining a well-rounded, nutritious diet throughout your training process and dialing in your marathon nutrition before, during, and after your training runs and race are the keys to completing your 26.2 miles successfully.

β€‹πŸš« 8 Reasons Why You Shouldn’t Run A Marathon​

Many runners have never actually completed a marathon, and they have no intention of doing so, either.

As we often write guides here at Marathon Handbook to promote marathon running and provide marathon runners with our best coaching advice, we decided to look at the other side of the coin for once.
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Here's why you shouldn't run a marathon.

β€‹πŸš€ WATCH: What Makes a Super Shoe Super? The Science, The Tech, and Our Top Picks for 2025​

In this jam-packed episode of the Marathon Handbook Podcast, we dive deep into the world of super shoes: the high-tech, high-stakes footwear revolutionizing distance running.

​The Marathon Training Masterclass - 25% off​ today

Our flagship course, the Marathon Training Masterclass has now been used by hundreds of students to achieve their marathon goals.

In this course, I guide you step-by-step through your marathon training journey - first starting with the fundamentals of marathon training and the strategy we'll use, then guiding you through each part of your training . . .

. . . whether it's your training plan, nutrition, navigating overtraining and injury, the taper, or race day tips. I've packed absolutely everything you'd ever wondered about running marathons in here.​

​Sign up today with the discount code SPRINT25 and let me guide you through your marathon journey!

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PREMIUM TRAINING PLANS
VIA TRAININGPEAKS
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25% OFF TODAY

All of our training plans are now on TrainingPeaks as dynamic training plans, meaning they sync with your devices - be it Apple Watch, Garmin, or other - and you follow the workouts in real-time.

Use the discount code SPRINT25 at checkout on our Online Courses, Premium Training Plans (via TrainingPeaks), and Books!

​Browse our library of premium training plans over at TrainingPeaks!​

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HALF MARATHON TRAINING PLANS

​Couch To Half Marathon Training Plan​

​16 Wk Beginner Half Marathon Training Plan​

​12 Week Rookie Half Marathon Training Plan​

​10 Week Improve Half Marathon Training Plan​

​8 Week Improver Half Marathon Training Plan​

​Sub 2-Hr Half Marathon Training Plan​

​Sub 1:45 Half Marathon Training Plan​

​Sub 1:30 Half Marathon Training Plan​
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MARATHON TRAINING PLANS

​Couch To Marathon Training Plan​

​6 Month Beginner Marathon Training Plan​

​20 Week Rookie Marathon Training Plan​

​16 Week β€˜First Time’ Marathon Training Plan​

​Sub 4 Hour Marathon Training Plan​

​12 Week Marathon Training Plan​

​Sub 3 Hour Marathon Training Plan​

​20 Week Advanced Marathon Training Plan​

​20 Week Advanced (INTENSE) Marathon Training Plan​

ULTRAMARATHON TRAINING PLANS

​50k Training Plan – Just Finish​

​50k Training Plan – Improve​

​50k Training Plan – Compete​

​50 Mile Training Plan – Just Finish​

​50 Mile Training Plan – Improve​

​50 Mile Training Plan – Compete​

​100k Training Plan – Just Finish​

​100k Training Plan – Improve​

​100k Training Plan – Compete​

​100 Mile Training Plan – Just Finish​

​100 Mile Training Plan – Improve​

​100 Mile Training Plan – Compete​

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​The Ultimate Runner's Bundle​

The Ultimate Runner's Bundle combines all 4 of our premium courses (Half Marathon Masterclass, Marathon Training Masterclass, Ultra Runner's Playbook + 7 Day Motivation Challenge) in one cheaper package.

You get access to each of the below courses and all the bonus downloadable content - which adds up to over 16 hours of exclusive video tutorials and reams of extras: Check it out!​

Use the discount code SPRINT25 at checkout for 25% off!

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Looking for an online running coach? Whatever your goals, train with our managing editor, Coach Katelyn. Learn more about her online coaching.

Want to become a running coach? Check out our friends at UESCA. They do 100% online, at-your-own-pace coaching certifications for running and ultrarunning. More here.


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

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