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Fueling Basics

Carbohydrates for running, hydration basics, electrolytes, energy gels and long-run fueling.

8 articles
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29 Best Digital Kitchen Scales

We compared 29 digital kitchen scales using Amazon listings and manufacturer specs, grouped by need, with capacity, units and power for each.

Marathon Bible Editors Nov 1, 2026
Electrolytes for Runners: A Complete Guide

Electrolytes for Runners: A Complete Guide

This guide explains what electrolytes do for runners, covering their roles, signs of imbalance, and when to consider targeted supplementation.

Marathon Bible Editors Oct 23, 2026
Daily Hydration Strategies for Runners

Daily Hydration Strategies for Runners

Effective running hydration starts long before your run. Learn daily strategies for how to stay hydrated for running, from assessing needs to recognizing warning signs.

Marathon Bible Editors Oct 23, 2026
How Runners Should Use Carbs for Fuel

How Runners Should Use Carbs for Fuel

A guide to using carbohydrates for energy, covering daily fueling needs, effective carbohydrate loading for runners, and when to use simple vs. complex carbs.

Marathon Bible Editors Oct 23, 2026
Hydration During Long Runs

Hydration During Long Runs

A practical guide to managing your fluid and electrolyte intake during long training runs and races, based on current sports science.

Marathon Bible Editors Oct 23, 2026
Energy Gels for Distance Running

Energy Gels for Distance Running

Energy gels for running are a concentrated source of carbohydrates designed to fuel long-distance efforts. This guide explains what they are, how to use them, and what alternatives exist.

Marathon Bible Editors Oct 23, 2026
Running Nutrition Basics

Running Nutrition Basics

A guide to the essential principles of running nutrition, covering energy needs, carbohydrates, protein, hydration, and when to seek expert advice.

Marathon Bible Editors Oct 23, 2026

Proper fueling is the unseen foundation of every successful run, from your first 5K to your ultimate marathon. It's about more than just what you eat on race day; it's the daily nutrition and strategic intake that powers your training, accelerates your recovery, and helps you hit your goals. This section breaks down the core concepts of running nutrition into practical, actionable advice you can use immediately.

Whether you're new to running and figuring out how to avoid hitting the wall on a three-miler, or an experienced athlete fine-tuning your marathon race plan, understanding these fueling basics is essential. We'll guide you through the why and how, connecting the science to your running log.

What you'll find here

  • A clear explanation of why carbohydrates are the primary fuel for running performance.
  • The fundamentals of hydration during long runs and everyday training.
  • The role of electrolytes and how to maintain your body's balance.
  • A practical guide to using energy gels and other quick-fuel options.
  • Strategies for fueling before, during, and after long runs to sustain energy.
  • How all these pieces fit into the bigger picture of your Running Nutrition strategy.