The Exercise Engineer

← The Exercise Engineer27 Feb · 15 min

Beginner to Ironman in 5 Months: Running Focus

Beginner to Ironman in 5 Months: Running Focus27 Feb15 min

<p>One week out from race day, I dive into the final discipline of the Ironman: <strong>The Run.</strong> After a lifetime of running for PB times and headspace, I reflect on the humbling reality of training for a marathon that starts <em>after</em> 180km of cycling. From the &quot;syrup-leg&quot; feeling of brick runs to the mental toll of losing speed to gain endurance, this episode is a candid look at the physical and psychological shift required to become an Ironman runner.</p><p><br></p><ul><li><p>Welcome to the Ironman Diaries: 1 Week to Go!</p></li><li><p>My Running History: From University Half-Marathons to 3:20 Fulls.</p></li><li><p>The Identity Crisis: Runner vs. Triathlete.</p></li><li><p>Lesson 1: When your passion becomes a chore.</p></li><li><p>Lesson 2: Letting go of the &quot;Runner Self&quot; and chasing new paces.</p></li><li><p>Lesson 3: The Zone 2 Survival Guide (Audiobooks, Fuel, and Shoes).</p></li><li><p>Lesson 4: The &quot;Brick Run&quot; experience (Running through syrup).</p></li><li><p>The &quot;Brick Run Banana&quot; and fuelling for the 42.2km finish.</p></li><li><p>What’s next? Weight gain, gadgets, and pre-race tears.</p></li></ul><ul><li><p><strong>Prioritise the Weakness:</strong> Because running was a strength, it often got the &quot;leftover&quot; energy after cycling sets, turning a hobby into a chore. Acknowledge this mental fatigue early.</p></li><li><p><strong>Release the Ego:</strong> You cannot compare your marathon-block paces to your Ironman-block paces. Zone 2 training builds the engine you need for the finish line, even if it feels &quot;slow&quot; compared to your PBs.</p></li><li><p><strong>Save Your &quot;Demon Thoughts&quot;:</strong> Don&#39;t use up all your mental grit in training. Use podcasts and audiobooks for long Zone 2 sessions to keep your mind fresh for the &quot;dark places&quot; on race day.</p></li><li><p><strong>The Shoe Rotation Matters:</strong> Save the high-stack tempo shoes for specific sessions. Training in daily trainers (like the Gel Nimbus or Novablast) keeps your legs honest and prevents over-reliance on tech.</p></li><li><p><strong>The &quot;Brick&quot; Sensation:</strong> Expect the first few kilometers off the bike to feel like running through syrup. Higher cadences on the bike can help the transition, but nothing beats the &quot;Brick Run Banana&quot; for a mid-transition energy boost.</p><p><br></p><p>@theexerciseengineer</p></li></ul>