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The Long Game

Aug 9, 2026

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11 min read

The Long Game

What my fourth UltraSwim taught me about skill, stress and the strange equality of water

Tom Jenkinson
Tom Jenkinson
Your Movement Must Deserve the Interval

Aug 2, 2026

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6 min read

Your Movement Must Deserve the Interval

A two-part series on the science, skill and training of running. Part 2 - Why fitness should be built from below and running skill extended from above

Tom Jenkinson
Tom Jenkinson
The Ancient Engine

Jul 26, 2026

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7 min read

The Ancient Engine

A two-part series on the science, skill and training of running. Part 1 - What the wickets revealed

Tom Jenkinson
Tom Jenkinson
Swimming & Hill Running

Jul 19, 2026

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4 min read

Swimming & Hill Running

Why I will be hiking UltraSwim Switzerland

Tom Jenkinson
Tom Jenkinson
Revisiting a Breakthrough

Jul 12, 2026

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10 min read

Revisiting a Breakthrough

Why my best 5k plan worked, what I learned, and what you can steal from it

Tom Jenkinson
Tom Jenkinson
Doubles, Density, and the Workable Week

Jul 5, 2026

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4 min read

Doubles, Density, and the Workable Week

Why training twice a day is often not an optimization trick, but the most practical way to manage multisport load

Tom Jenkinson
Tom Jenkinson
The Invisible Tightrope

Jun 28, 2026

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6 min read

The Invisible Tightrope

Why adult swimmers often mistake instability for poor fitness, and why balance changes everything

Tom Jenkinson
Tom Jenkinson
Heart Rate and Swimming

Jun 21, 2026

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7 min read

Heart Rate and Swimming

Useful Tool or Meaningless Noise?

Tom Jenkinson
Tom Jenkinson
Norwegian Singles Explained

Jun 14, 2026

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8 min read

Norwegian Singles Explained

Why controlled sub-threshold work is slower, easier, and more useful than most runners expect

Tom Jenkinson
Tom Jenkinson
Sweet Spot Is Dead - Long Live Sweet Spot

Jun 7, 2026

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4 min read

Sweet Spot Is Dead - Long Live Sweet Spot

Why the “Black Hole” Is Really a Control Problem

Tom Jenkinson
Tom Jenkinson
More Than the Sum of Its Parts

May 31, 2026

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7 min read

More Than the Sum of Its Parts

Why swimrun needs its own training blueprint, not a swim plan bolted onto a run plan

Tom Jenkinson
Tom Jenkinson
The Plateau Breaker

May 24, 2026

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8 min read

The Plateau Breaker

10 Training Mistakes Holding You Back

Tom Jenkinson
Tom Jenkinson
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