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Running Nutrition

General fueling and hydration information for distance runners: carbohydrates, electrolytes, energy gels, long-run fueling and race nutrition. Not individual dietary or medical advice.

14 articles
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

Running nutrition is about more than just what you eat—it's the strategic fueling and hydration that supports your training, boosts your performance, and helps you recover. Whether you're building mileage for a first 5K or fine-tuning your plan for a marathon, understanding how to properly nourish your body is a key part of becoming a stronger, more resilient runner.

This section breaks down the essentials of running nutrition into practical, actionable guidance. We cover the fundamentals of daily fueling, what to focus on during long runs, and how to craft a smart race-day plan. Our goal is to help you move from confusion to confidence with clear explanations of topics like carbohydrates, electrolytes, energy gels, and hydration.

What you'll find here

  • Core concepts in Fueling Basics, covering daily nutrition needs and how to support your training.
  • Targeted strategies in Race Nutrition, for optimizing your intake before, during, and after competition.
  • Practical explanations of sports nutrition products and how they fit into a runner's plan.
  • Guidance on hydration and electrolyte balance for different distances and conditions.