Endurance Mastery by MarathonGuide
Endurance Mastery by MG, Raziq Rauf, Matt FitzgeraldSince 2001, MarathonGuide has been the trusted hub for runners - connecting millions with races, training insights, and reviews. Now, with Endurance Mastery, we’re taking it further - delivering expert content, proven strategies, and fresh inspiration!
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 262 | Subscribers | Read | marathonguide.substack.com |
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| #10 |
Latest Issues
Recent posts by this newsletter. Browse the email archive.
The Case for Nine-Day Weeks
Give your harder workouts more room to work their magic
Breakthrough Week
👋🏻 Here you can catch up on what happened this week and preview what’s coming next week, from fresh mindset fuel and practical training advice to science updates, curated reads, and conversations worth your time.
"Fat Boy" by Tom Fitzgerald
Before Matt Fitzgerald became a runner in an effort to be like his father, his father, Tom Fitzgerald, became a runner in an effort to lose weight.
Friday Conversation with Peter Bromka
The runner who famously missed qualifying for the 2020 U.S. Olympic Trials Marathon by 2 seconds now hosts a podcast that aims to interview every qualifier for the 2028 trials.
Authors
The writers behind this newsletter.
Since 2001, MarathonGuide has been the trusted hub for runners - connecting with races, training insights, and reviews. Now, with Endurance Mastery, we’re taking it further - delivering expert content, proven strategies, and fresh inspiration!
I actually like running so much that I wrote a book about it. This Is Running hits bookstores in April 2026 via Batsford/Rizzoli.
Acclaimed author of HOW BAD DO YOU WANT IT? and 80/20 RUNNING, cofounder of 80/20 Endurance, and creator of Dream Run Camp.
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