Reletter
Artwork for Endurance Essentials

Endurance Essentials

Gordo Byrn, john hellemans
Hundreds of paid subscribers

Endurance Training & High Performance Habits

Platform
Substack
PricingFreemiumPublishesTwice weekly
Issues891Founded4 years agoLast Issue6 days ago
Active

Read this Newsletter

feelthebyrn.substack.com
Artwork for Endurance Essentials

Latest Issues

How To Race A Gran Fondo

Part Two: Pacing

Part One laid out the start, hydration and nutrition. Those three are where early errors compound and impair your performance.

6 days ago
11
Paid

How To Ride A Gran Fondo

Part One: The Basics

This article is going to cover the basics for everyone. Parts Two & Three will cover tactics (with my ride data) for competitive athletes looking to ride for time.

9 days ago
15
Paid

Being Fat and Active

Focus on performance, not body fat

Body fat comes up at every training camp I’ve ever attended. As a former fat guy, I’ve got something to say.

16 days ago
26
1
Paid

Fast Triathlon Running

A Long Apprenticeship

July 1st, 2026 is the four-year anniversary of my returning to running. My times remain a ways off from my elite days but I’ve made consistent progress.

20 days ago
21
5
Paid

How To Train - Chapter Eleven

Getting Bike Fit

The process of getting bike fit has three components and should be tackled sequentially on an annual basis. First, we get generally strong. Next, we shift our general strength to sport-specific strength. Finally, we work t...

23 days ago
21
Paid

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for Endurance Essentials.

SubscribersEngagement79Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

SEO Reach

Where Endurance Essentials ranks on Google, and how much search traffic it brings in.

Ranked Keywords1.9kMonthly Search TrafficTop Keywords

Chart Rankings

How this newsletter ranks in the official Substack charts.

#65
Substack
/Sports(Free)
#80
Substack
/Sports(Paid)

Authors

The writers behind this newsletter.

  • Gordo Byrn

    World Champion Ultra Distance Triathlon │ I write about endurance sport and high-performance habits

  • john hellemans

    Dr John Hellemans is a well know sports-medicine doctor, triathlon coach, and author based in Christchurch, New Zealand.

  • Frequently Asked Questions

    How can I access the email archive for Endurance Essentials?

    You can find recent issues that have been published by Endurance Essentials on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does Endurance Essentials have?

    To see how many people subscribe to Endurance Essentials, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in Endurance Essentials?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch Endurance Essentials as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like Endurance Essentials?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact Endurance Essentials using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to Endurance Essentials?

    Scroll up to where it says Related Newsletters to see other publications like Endurance Essentials. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact Endurance Essentials?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.