Running Guides

Evidence-based writing on running, fuelling, and the science behind calorie numbers — without the marketing.

Comparison

Running vs Cycling: Which Burns More Calories?

Running burns roughly 20–30% more per minute than cycling — but the honest comparison depends on distance, joint impact, and how much time you actually have. A full breakdown with MET values for both.

8 min read · 1 August 2026
Physiology

How Age Affects Running Calorie Burn and Metabolism

Why the same run burns fewer calories at 45 than at 25 — and why most of it comes down to muscle mass and training status, not age itself. What you can actually control.

9 min read · 1 August 2026
Environment

Running in Heat vs Cold: How Temperature Affects Calorie Burn

Hot weather running raises calorie cost by 5–10% through thermoregulation. Cold weather changes far less than people assume. What the research actually shows.

9 min read · 1 August 2026
Training

Interval Running Calories Burned — HIIT Running Explained

Does interval running actually burn more calories than steady running? The real answer involves the afterburn effect (EPOC), sample interval workouts, and why total volume matters more than session structure.

8 min read · 1 August 2026
Beginner

How to Start Running When You're Completely Out of Shape

An eight-week walk-run plan that assumes you currently get out of breath climbing stairs. Why beginners run too fast, what happens in your body each week, and the three ways new runners get injured.

9 min read · 26 July 2026
Nutrition

What to Eat Before and After Running

Runs under an hour need no fuelling at all. Past 90 minutes it becomes essential. A practical guide to timing, fasted running, mid-run carbohydrate, and why the anabolic window was oversold.

10 min read · 26 July 2026
Science

Why Every Calorie Tracker Gives You a Different Number

Your watch says 412, the treadmill says 340, the app says 385. None of them measures calories — they estimate from different proxies. What each method actually does and how accurate it is.

11 min read · 26 July 2026

Calculators