Breakthrough Week
Your weekly pulse on performance, perspective, and what’s next
👋🏻 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.
🏁 Monday Musing
💪🏻 Tuesday Teaching
🔥 Midweek Mile
🧠 Sport Science
🎙️ Friday Conversation
🚴 Credible Sources
Gettysburg Festival of Races
The Gettysburg Festival of Races is the combination of three historic races in one single weekend! Come and race just outside the hallowed grounds of Gettysburg battlefield. Our course winds through beautiful wooded back country roads, past fields and farms, and crossed the historic Mason-Dixon line into Maryland and back.
Coming Up Next Week: What’s on the Run
➡️ Monday’s Musing: Affect-Guided Interval Training. What if your next breakthrough workout isn’t dictated by splits, but by feel?
➡️ Tuesday’s Teaching: Conquering Fear. Matt Fitzgerald will explain how he conquered fear and how you can too.
➡️ MarathonGuide Newsletter. Your weekly pulse on the distance running world — race results, news, and notable performances you don’t want to miss.
➡️ Sports Science Update: How Exercise Rewires the Brain for Endurance. New research reveals how consistent training literally reshapes your brain to improve resilience, pain tolerance, and staying power.$
➡️ Friday Conversation with Dimity McDowell. A thoughtful, honest conversation with Dimity about running, growth, identity, and what the miles teach us beyond pace and podiums.
➡️ Credible Sources: Excerpt from The 27th Mile by Dimity McDowell.
❗️ If you prefer not to receive every email, simply subscribe only to the topics you’re most interested in - you’ll still have full access to all content anytime on our Endurance Mastery by MG SubStack page.
Thanks for reading 🤍
Matt Fitzgerald & the MarathonGuide team




