The Modular 10Km System by Dr Will
If you’ve been watching my YouTube videos and thinking, “I wish I had a plan like that” — this is it.
The Modular 10Km System is everything I talk about on my channel, brought together into one fully customisable framework. It’s built around the same data-driven principles I use with my own training and with the runners I coach — threshold-based pacing, modular long runs, progressive loading, and the flexibility to adjust when life (inevitably) gets in the way.
This isn't a rigid PDF that falls apart the moment you miss a session. It's a system — structured, smart, and adaptable — that helps you train consistently and improve over time, no matter where you're starting from.
I built this for runners like you: people who want to train seriously, but who also have jobs, families, and limited time. You’ll have a clear plan, the freedom to adjust it, and the confidence that every run has a purpose.
What It Is
The Modular Marathon System is made up of:
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✅ 6 x 4-week training blocks you can drag-and-drop in your Intervals.icu calendar
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Base Phase 1
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Base Phase 2
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Base Phase 3
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Build Phase
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Prep Phase
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Race Phase
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🔁 Reusable and stackable — mix and match blocks to fit your timeline and fitness
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🔄 Fully editable — adjust training days, session types, or intensities anytime
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📊 Built for analysis — track progress with Intervals.icu’s data tools
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🔗 Compatible with my other modular plans (5K, Half Marathon, Marathon, Ultra)
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🧠 Science-backed structure — using threshold-based pacing, modular long runs, and progressive loading