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Performance insights, nutrition science, and training guidance — evidence-based, no fluff.

Zone 2 Training for Cyclists: The Aerobic Base That Makes Everything Else WorkTraining

December 4, 2026  ·  8 MIN READ

Zone 2 Training for Cyclists: The Aerobic Base That Makes Everything Else Work

The most important training zone for cyclists isn't the one that hurts. Zone 2 — boring, conversational, and frustratingly slow — is where metabolic fitness is built. Here's the physiology and the protocol.

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Are You a Salty Sweater? How to Test Your Sweat Sodium and Fix Your Electrolyte StrategyHydration

November 27, 2026  ·  7 MIN

Are You a Salty Sweater? How to Test Your Sweat Sodium and Fix Your Electrolyte Strategy

Sweat sodium concentration varies 5× between individuals. The generic electrolyte advice that works for your training partner may leave you cramping or hyponatraemic. Here's how to find out which you are.

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Endurance Supplements: What the Evidence Actually SupportsNutrition

November 20, 2026  ·  9 MIN

Endurance Supplements: What the Evidence Actually Supports

The supplement industry targets endurance athletes with hundreds of products. Four have genuine, replicated evidence of benefit. Here's the honest tier list.

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Running Economy: Why Two Runners With the Same VO2max Run Different TimesTraining

November 13, 2026  ·  8 MIN

Running Economy: Why Two Runners With the Same VO2max Run Different Times

Running economy — the oxygen cost at a given pace — varies by up to 20% between runners of equal aerobic capacity. Here's what drives those differences and what you can actually change.

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5K Training: The Science of Racing 5 Kilometres FasterTraining

November 6, 2026  ·  8 MIN

5K Training: The Science of Racing 5 Kilometres Faster

The 5K looks short. It isn't. Racing 5 kilometres at maximum effort requires the highest aerobic intensity of any common road distance. Here's the training science that actually moves the number.

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Half Marathon Training: A 12-Week Guide Built on Running ScienceTraining

October 30, 2026  ·  9 MIN

Half Marathon Training: A 12-Week Guide Built on Running Science

The half marathon rewards a specific combination of aerobic base, lactate threshold, and pacing discipline. Here's the evidence-based training structure — and why most plans get the balance wrong.

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How to Use a Running Pace Calculator: VDOT Training Zones ExplainedTraining

October 23, 2026  ·  7 MIN

How to Use a Running Pace Calculator: VDOT Training Zones Explained

Jack Daniels' VDOT system converts your race time into precise training paces for every workout type. Here's how it works and how to apply it to your training.

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Sleep for Athletes: The Recovery Tool That No Supplement Can ReplaceRecovery

October 16, 2026  ·  8 MIN

Sleep for Athletes: The Recovery Tool That No Supplement Can Replace

Elite athletes sleep 9–10 hours per night. Most recreational athletes sleep 6–7. The performance gap this creates is larger than most training interventions can bridge.

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Genetic Potential in Endurance Sport: What the Science SaysTraining

October 9, 2026  ·  8 MIN

Genetic Potential in Endurance Sport: What the Science Says

How much of your endurance performance is determined by genetics — and how much can training change? The answer is more nuanced than either fatalists or optimists suggest.

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Pre-Race Meal Timing: What to Eat Before a 5K, 10K, Half Marathon, and MarathonNutrition

October 2, 2026  ·  8 MIN

Pre-Race Meal Timing: What to Eat Before a 5K, 10K, Half Marathon, and Marathon

The right pre-race meal depends on your race distance, start time, and gut sensitivity. Here's the evidence-based framework — with specific recommendations for each distance.

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Strength Training for Runners: The Minimum Effective DoseTraining

September 25, 2026  ·  8 MIN

Strength Training for Runners: The Minimum Effective Dose

Two sessions per week of targeted strength work can improve running economy by 3–8% and cut injury risk by up to 50%. Here's the exact programme — and how to fit it around your running.

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Ultramarathon Nutrition: How to Fuel 50K to 100-Mile RacesNutrition

September 18, 2026  ·  9 MIN

Ultramarathon Nutrition: How to Fuel 50K to 100-Mile Races

Ultra nutrition is fundamentally different from marathon nutrition. Gels become intolerable. Real food becomes essential. And the longer you go, the more your strategy must evolve with you.

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Gut Training: How to Eat More Carbs on Race Day Without Stomach IssuesNutrition

September 11, 2026  ·  7 MIN

Gut Training: How to Eat More Carbs on Race Day Without Stomach Issues

Most GI problems in races aren't bad luck — they're untrained guts. Here's the progressive protocol to teach your intestines to absorb 90g of carbohydrate per hour without cramping.

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Iron Deficiency in Runners: Symptoms, Testing, and How to Fix ItNutrition

September 4, 2026  ·  8 MIN

Iron Deficiency in Runners: Symptoms, Testing, and How to Fix It

Iron deficiency is the most common nutritional problem in endurance athletes — and the most likely to be missed. Here's how to recognise it, what blood tests to request, and how to correct it.

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How to Taper for a Marathon Without Losing FitnessTraining

August 28, 2026  ·  8 MIN

How to Taper for a Marathon Without Losing Fitness

The taper is the most psychologically difficult phase of marathon training. Here's the physiology behind why it works — and the exact protocol to arrive fresh without detraining.

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Heart Rate Zones for Running: How to Find Yours and Use ThemTraining

August 21, 2026  ·  7 MIN

Heart Rate Zones for Running: How to Find Yours and Use Them

Running by heart rate removes the guesswork from training intensity. Here's how to calculate your zones, what each one develops, and why most runners spend too much time in the wrong zone.

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Lactate Threshold: What It Is and How to Train ItTraining

August 14, 2026  ·  8 MIN

Lactate Threshold: What It Is and How to Train It

Lactate threshold is the most trainable determinant of running performance. Most runners train it wrong — or not at all. Here's the physiology and the exact protocols that work.

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Triathlon Nutrition: How to Fuel the Swim, Bike, and RunNutrition

August 7, 2026  ·  8 MIN

Triathlon Nutrition: How to Fuel the Swim, Bike, and Run

Triathlon nutrition is more complex than single-sport fueling — transitions, gut stress, and effort shifts across three disciplines create unique challenges. Here's the evidence-based approach.

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Training Stress Score (TSS) Explained: How to Use It to Train SmarterTraining

July 31, 2026  ·  8 MIN

Training Stress Score (TSS) Explained: How to Use It to Train Smarter

TSS is the most precise way to quantify training load across different sessions and sports. Here's what it measures, how it's calculated, and how to use it to peak for your race.

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How Many Calories Do You Burn Running? A Pace-by-Pace BreakdownNutrition

July 24, 2026  ·  7 MIN

How Many Calories Do You Burn Running? A Pace-by-Pace Breakdown

Running burns roughly 1 kcal per kilogram per kilometre — but the actual number varies more than most apps suggest. Here's what actually drives calorie burn and how to calculate yours.

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Running at Altitude: How It Affects Your Pace and How to AdjustTraining

July 17, 2026  ·  7 MIN

Running at Altitude: How It Affects Your Pace and How to Adjust

At 2,000m above sea level, your easy run pace needs to slow by 10–15 seconds per kilometre to feel the same. At 3,000m, it's 20–30 seconds. Here's why — and how to calculate the exact adjustment.

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Optimal Race Weight for Runners: How to Calculate It (and Whether to Chase It)Training

July 10, 2026  ·  7 MIN

Optimal Race Weight for Runners: How to Calculate It (and Whether to Chase It)

Every kilogram costs you roughly 2–3 seconds per kilometre in a marathon. But chasing race weight aggressively carries real risks. Here's the evidence-based framework.

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How to Measure Your Sweat Rate: A Step-by-Step Guide for RunnersHydration

July 3, 2026  ·  7 MIN

How to Measure Your Sweat Rate: A Step-by-Step Guide for Runners

Generic hydration guidelines are built on population averages that may be completely wrong for you. Here's how to measure your actual sweat rate in 60 minutes — and what to do with the result.

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How to Find Your Cycling FTP — and What to Do With ItTraining

June 26, 2026  ·  7 MIN

How to Find Your Cycling FTP — and What to Do With It

FTP is the foundation of structured cycling training. Here's how to test it accurately at home, what the number actually means, and how to use it to set every training zone.

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How to Manage Ironman Training Load Across Three SportsTraining

June 19, 2026  ·  9 MIN

How to Manage Ironman Training Load Across Three Sports

Training for an Ironman across swim, bike, and run creates a load management problem that single-sport metrics can't solve. Here's how to track it correctly — and avoid the injury that ends most first attempts.

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Polarised Training vs Threshold Training: What the Research Actually ShowsTraining

June 12, 2026  ·  9 MIN

Polarised Training vs Threshold Training: What the Research Actually Shows

Two training philosophies dominate endurance sport. One has more research support than most coaches acknowledge. A direct comparison of the evidence.

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How Does VO2max Decline With Age — and Can Training Actually Slow It?Training

June 4, 2026  ·  9 MIN

How Does VO2max Decline With Age — and Can Training Actually Slow It?

Conventional wisdom says VO2max drops 10% per decade after 30. But for consistently training athletes, the picture is very different — and more encouraging.

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Heat Acclimation for Runners: The 10-Day Protocol That WorksTraining

May 28, 2026  ·  9 MIN

Heat Acclimation for Runners: The 10-Day Protocol That Works

Racing in heat? A structured 10-day heat acclimation protocol can improve performance by 5–7% even in cool conditions. Here's the exact protocol — and the physiology behind it.

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RED-S in Female Runners: Early Warning Signs Most Athletes MissTraining

May 20, 2026  ·  8 MIN

RED-S in Female Runners: Early Warning Signs Most Athletes Miss

Relative Energy Deficiency in Sport affects 22–58% of competitive female endurance athletes. Many don't know they have it until the damage is done. Here's what to look for.

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How to Fuel a 100km Bike Ride: A Gram-by-Gram BreakdownNutrition

May 12, 2026  ·  8 MIN

How to Fuel a 100km Bike Ride: A Gram-by-Gram Breakdown

A 100km ride burns 2,000–3,000 kcal. Most cyclists replace less than half. Here's a precise fueling framework based on power output, duration, and gut capacity.

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The 10% Mileage Rule: Does It Actually Prevent Running Injuries?Training

May 5, 2026  ·  8 MIN

The 10% Mileage Rule: Does It Actually Prevent Running Injuries?

The 10% weekly mileage increase rule is repeated everywhere. But the research behind it is weaker than most coaches admit — and the real injury-prevention answer is more nuanced.

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Even Split vs Negative Split: Which Marathon Pacing Strategy Wins?Training

April 28, 2026  ·  8 MIN

Even Split vs Negative Split: Which Marathon Pacing Strategy Wins?

Analysis of 1.7 million marathon finishes points to a clear answer. Here's what the data shows about pacing strategy — and the physiology behind why most runners get it wrong.

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What to Eat the Night Before a Marathon (And What to Avoid)Nutrition

April 21, 2026  ·  7 MIN

What to Eat the Night Before a Marathon (And What to Avoid)

Your pre-race dinner can make or break race day. Here's exactly what to eat — and what to skip — in the 12 hours before the start line.

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Hitting the Wall in a Marathon: Why It Happens and How to Avoid ItNutrition

April 21, 2026  ·  8 MIN

Hitting the Wall in a Marathon: Why It Happens and How to Avoid It

The wall isn't inevitable. It's a predictable physiological event with a nutritional solution. Here's the science — and the strategy to run through it.

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Caffeine for Athletic Performance: Timing, Dosage & What the Science SaysNutrition

April 21, 2026  ·  8 MIN

Caffeine for Athletic Performance: Timing, Dosage & What the Science Says

Caffeine is the world's most widely used performance enhancer — and one of the few that actually works. Here's the evidence-based protocol for athletes.

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Marathon Recovery: What to Do in the 48 Hours After a RaceRecovery

April 21, 2026  ·  8 MIN

Marathon Recovery: What to Do in the 48 Hours After a Race

The race finishes when you cross the line. Your recovery starts the moment you do. Here's the evidence-based protocol to bounce back faster.

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Electrolytes for Athletes: What They Are and Why They MatterHydration

April 21, 2026  ·  8 MIN

Electrolytes for Athletes: What They Are and Why They Matter

Sodium, potassium, magnesium — what do electrolytes actually do during exercise? Here's the science behind the minerals that keep athletes performing.

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VO2 Max Explained: What It Is, How to Test It, and How to Improve ItTraining

April 21, 2026  ·  9 MIN

VO2 Max Explained: What It Is, How to Test It, and How to Improve It

VO2 max is the single best predictor of endurance performance. Here's what it measures, how to find yours — and the training methods proven to raise it.

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How Many Energy Gels for a Marathon? A Runner's Complete GuideNutrition

April 14, 2026  ·  6 MIN

How Many Energy Gels for a Marathon? A Runner's Complete Guide

Wondering how many gels you need for a marathon? We break down the calculation by finish time, body weight, and pace — so you never bonk again.

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Carb Loading Before a Marathon: The Complete Athlete's GuideNutrition

April 14, 2026  ·  8 MIN

Carb Loading Before a Marathon: The Complete Athlete's Guide

Carb loading can add 2–3% to your marathon performance. But most runners do it wrong. Here's the evidence-based protocol that actually works.

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Energy Gel vs Energy Bar: Which Is Better for Endurance Athletes?Nutrition

April 14, 2026  ·  7 MIN

Energy Gel vs Energy Bar: Which Is Better for Endurance Athletes?

Gels or bars? Both deliver carbohydrates, but they behave very differently in your body during exercise. Here's how to choose the right fuel for your event.

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Best Time to Take Creatine: Timing, Dosage & the ScienceNutrition

April 14, 2026  ·  7 MIN

Best Time to Take Creatine: Timing, Dosage & the Science

Pre-workout or post-workout? With carbs or without? The research on creatine timing is more nuanced than most guides admit. Here's what actually matters.

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Signs You're Dehydrated During Exercise (And How to Fix It)Hydration

April 14, 2026  ·  7 MIN

Signs You're Dehydrated During Exercise (And How to Fix It)

Dehydration starts affecting your performance before you feel thirsty. Learn to recognise the early warning signs — and the recovery strategy that actually works.

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Zone 2 Training: The Complete Guide for Endurance AthletesTraining

April 14, 2026  ·  9 MIN

Zone 2 Training: The Complete Guide for Endurance Athletes

Zone 2 is the foundation of elite endurance training — but most amateur athletes spend too little time here. Here's how to train it correctly and why it works.

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Fueling Your Morning Run: Fed vs FastedTraining

April 2, 2026  ·  7 MIN

Fueling Your Morning Run: Fed vs Fasted

Should you eat before your morning run or train on empty? The answer depends on your goals, training phase, and how long you plan to go.

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Post-Workout Recovery: The 30-Minute WindowRecovery

March 25, 2026  ·  8 MIN

Post-Workout Recovery: The 30-Minute Window

What you do in the first 30 minutes after training can dramatically affect how quickly you recover and how strong you come back for the next session.

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Hydration Strategy for Endurance AthletesHydration

March 18, 2026  ·  7 MIN

Hydration Strategy for Endurance Athletes

Dehydration of just 2% body weight impairs performance by up to 20%. Here's a evidence-based framework for staying ahead of your fluid needs.

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The Science Behind Energy GelsNutrition

March 10, 2026  ·  6 MIN

The Science Behind Energy Gels

Understanding how energy gels work at a cellular level — and how to time them for peak performance during your race or training session.

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