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If you train seriously long enough, eventually you hit the point where your body stops feeling “good.” Your legs feel dead. Recovery slows down. Workouts that normally feel manageable suddenly feel heavy. And then the mental spiral starts:

Am I adapting… or breaking down?

In this episode, Coaches Justin and Katie break down the difference between normal training soreness, accumulated fatigue, and genuine warning-sign pain. They discuss how endurance athletes misinterpret body signals, when soreness is actually part of progress, and how to recognize when your body is telling you something more serious.

What You’ll Learn:

• How to tell the difference between productive soreness and injury-warning pain
• Why fatigue, stress, sleep, and life load all impact recovery
• When athletes should push through discomfort — and when they should back off
• What recovery tools actually do (and what they don’t)

Timestamps:
00:00 — Why soreness became the topic of this episode
02:10 — The fine line between soreness and pain
05:20 — Marathon training fatigue and struggling workouts
09:20 — Strength training, recovery, and accumulated fatigue
19:30 — Heat training, stress, and recovery load
23:15 — What delayed onset muscle soreness (DOMS) actually is
30:15 — Why soreness is part of adaptation
35:10 — When soreness becomes excessive
42:30 — Soreness vs fatigue vs injury
49:00 — Sharp pain, tendon pain, and warning signs
57:20 — Should you train through soreness?
1:04:30 — Recovery days, nutrition, hydration, and rebuilding

For coaching inquiries:

Coach Katie → https://fuel2run.com

Coach Justin → https://tabularasaracing.com

Podcast Email → theenduranceathletejourney@gmail.com

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In this solo episode of The Endurance Athlete Journey Podcast, Katie shares an honest update on her road to Grandma’s Marathon and takes listeners inside the reality of marathon training after a setback from illness. After battling the flu and losing valuable training time, Katie discusses the challenges of rebuilding fitness, navigating difficult workouts, and balancing confidence with uncertainty as race day approaches.

The episode also dives deep into the concept of functional overreaching — what it is, why endurance athletes sometimes intentionally push beyond their limit, and how to recognize the difference between productive fatigue and overtraining. Katie explains how athletes can safely use periods of increased training load to stimulate adaptation while avoiding the dangers of non-functional overreaching and burnout.

Topics covered include:

• An update on Katie's marathon training over the past two week
• Why workouts can suddenly feel harder than expected
• Understanding functional vs. non-functional overreaching
• Signs you may be pushing too far
• How recovery, sleep, and nutrition affect adaptation
• The importance of fueling during high-volume marathon training
• Why higher carbohydrate intake may improve recovery and performance
• Adjusting training when life, fatigue, and stress collide
• The mental side of marathon preparation and trusting the process

Katie also shares practical insight into her current marathon build, including high-mileage weeks, strength training integration, fueling experiments, and how she’s adapting her plan in real time leading into race day.

Whether you’re training for a marathon, triathlon, or simply trying to balance hard training with recovery, this episode offers a relatable and educational look at the fine line between pushing your limits and pushing too far.

For coaching inquiries:

Coach Katie → https://fuel2run.com

Coach Justin → https://tabularasaracing.com

Podcast Email → theenduranceathletejourney@gmail.com

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Being a strong runner does not guarantee a strong Ironman marathon.

In a standalone marathon, you start fresh. In a full Ironman, the marathon begins after a 2.4-mile swim, 112-mile bike, hours of fatigue, fueling decisions, pacing mistakes, and muscular damage that have already shaped what your run can become.

In this episode, Coach Justin and Coach Katie compare standalone marathon training with Ironman marathon training and explain why runners moving into long-course triathlon often need a completely different mindset. If you’ve ever assumed the Ironman run is “just a marathon,” this conversation will challenge that idea.

What You’ll Learn

• Why the Ironman marathon is usually decided before you ever start running
• How bike fitness and bike execution protect your run more than extra run volume
• Why fueling mistakes on the bike can sabotage the marathon later
• How runners need to rethink pacing, patience, recovery, and expectations in Ironman training

Timestamps:

00:00 – Why runners misunderstand the Ironman marathon
03:02 – How standalone marathon training is usually structured
08:41 – Why Ironman run training starts with bike fitness
17:44 – Why marathon expectations do not transfer cleanly to Ironman
22:03 – How overbiking destroys the run
33:04 – Why bike fueling determines marathon survival
43:25 – Flavor fatigue, texture fatigue, and long-course nutrition strategy
47:23 – Long runs: marathon training vs Ironman training
53:49 – How much run intensity belongs in Ironman training
1:02:22 – Why patience off the bike matters
1:10:17 – Recovery differences between marathon and Ironman training
1:25:35 – Final thoughts

For coaching inquiries:

Coach Katie → https://fuel2run.com

Coach Justin → https://tabularasaracing.com

Podcast Email → theenduranceathletejourney@gmail.com