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Oliver Buchannon
Tom Jenkinson

Tom is a swimrun community mobilizer, self-proclaimed stoic sage, and natural running evangelist! He runs the Masters section of Bromma Swim Club Sweden and is a coach at Envol Swimrun.

Swimming-Induced Pulmonary Edema (SIPE)

Apr 12, 2026

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8 min read

Swimming-Induced Pulmonary Edema (SIPE)

What Open-Water Athletes Need to Know

Tom Jenkinson
Tom Jenkinson
Rotation, Shoes, and the Physics of Swimrun

Apr 5, 2026

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12 min read

Rotation, Shoes, and the Physics of Swimrun

Why the mechanics of no-gear swimming break down when you add a pull buoy, paddles and shoes

Tom Jenkinson
Tom Jenkinson
The Shift

Mar 29, 2026

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6 min read

The Shift

Autonomic Fitness: The Gearbox of Performance

Tom Jenkinson
Tom Jenkinson
When Systems Outgrow Their Language

Mar 22, 2026

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12 min read

When Systems Outgrow Their Language

What French training, Western endurance culture, and modern physiology reveal about speed

Tom Jenkinson
Tom Jenkinson
The Threshold Paradox

Mar 15, 2026

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13 min read

The Threshold Paradox

Why "Hour Power/Pace" is a Myth

Tom Jenkinson
Tom Jenkinson
CSS Calculation

Mar 8, 2026

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5 min read

CSS Calculation

Go Deeper: Testing, Data Points, and What D' Can Tell You

Tom Jenkinson
Tom Jenkinson
CSS May Not Be What You Think It Is

Mar 1, 2026

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8 min read

CSS May Not Be What You Think It Is

Why your test number can feel wrong (and how to use it properly)

Tom Jenkinson
Tom Jenkinson
Progressive Overload in Swimming

Feb 22, 2026

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10 min read

Progressive Overload in Swimming

Why Efficiency Beats Effort in the Water

Tom Jenkinson
Tom Jenkinson
Sleep & Recovery for Endurance Athletes

Feb 15, 2026

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5 min read

Sleep & Recovery for Endurance Athletes

Part 2 — The Performance Variable

Tom Jenkinson
Tom Jenkinson
Sleep & Recovery for Endurance Athletes

Feb 8, 2026

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5 min read

Sleep & Recovery for Endurance Athletes

Part 1 — The Most Powerful Training Tool You’re Ignoring

Tom Jenkinson
Tom Jenkinson
The Training Tectonic Shift

Feb 1, 2026

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8 min read

The Training Tectonic Shift

Why the elites "hollowed out" the hard stuff to get faster

Tom Jenkinson
Tom Jenkinson
The New Evolution of Speed

Jan 25, 2026

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8 min read

The New Evolution of Speed

Science, strategy, and what it means for your training

Tom Jenkinson
Tom Jenkinson
Swimming doesn’t just train your body. It trains your brain.

Jan 18, 2026

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5 min read

Swimming doesn’t just train your body. It trains your brain.

You will know I love swimming as cross-training, but do you realize it may be making you smarter?

Tom Jenkinson
Tom Jenkinson
Swim Stroke Timing

Jan 11, 2026

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9 min read

Swim Stroke Timing

Over-Gliding and Why This Matters More Than We Think

Tom Jenkinson
Tom Jenkinson
AI & The Biological Edge

Jan 4, 2026

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7 min read

AI & The Biological Edge

The Best Decision Isn’t Based on Logic or Effort — It’s Interaction

Tom Jenkinson
Tom Jenkinson
Volume Framework Part 2: Execution, Skills & Pitfalls

Dec 28, 2025

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11 min read

Volume Framework Part 2: Execution, Skills & Pitfalls

How to structure your year, integrate skills, and avoid the "More is Better" trap.

Tom Jenkinson
Tom Jenkinson
Volume Framework Part 1: The Science of Speed

Dec 21, 2025

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8 min read

Volume Framework Part 1: The Science of Speed

When is training more than 10 hours per week beneficial—and when is it unnecessary?

Tom Jenkinson
Tom Jenkinson
Learning in Valencia

Dec 14, 2025

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5 min read

Learning in Valencia

Playing Dead Center

Tom Jenkinson
Tom Jenkinson
Minimalist Strength for Maximal Endurance

Dec 7, 2025

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8 min read

Minimalist Strength for Maximal Endurance

How a two-lift kettlebell protocol enhances swimrun power, economy, and durability.

Tom Jenkinson
Tom Jenkinson
Feel for the Water

Nov 30, 2025

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6 min read

Feel for the Water

Swimming is a Full-Body Sensory Skill

Tom Jenkinson
Tom Jenkinson
Running Strong - Part 3

Nov 23, 2025

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21 min read

Running Strong - Part 3

Bouncing Back – What to Do When Injuries Happen

Tom Jenkinson
Tom Jenkinson
Running Strong - Part 2

Nov 16, 2025

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16 min read

Running Strong - Part 2

Strength and Conditioning for Runners – Building a Durable Foundation

Tom Jenkinson
Tom Jenkinson
Running Strong - Part 1

Nov 9, 2025

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16 min read

Running Strong - Part 1

Injury Prevention – Coach-Tested Methods to Stay Healthy

Tom Jenkinson
Tom Jenkinson
The Volume Boundary - When Specialization Starts to Matter

Nov 2, 2025

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8 min read

The Volume Boundary - When Specialization Starts to Matter

Stop Faking Specificity, Why Your General Base Still Rules

Tom Jenkinson
Tom Jenkinson
Training With Precision - The Hinge Part 2

Oct 26, 2025

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10 min read

Training With Precision - The Hinge Part 2

How to train precisely; how to measure and apply Critical Speed

Tom Jenkinson
Tom Jenkinson
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