Begin your journey
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New to multiday running? Follow this guided reading path — from understanding the sport to choosing your first event.
📖Recommended Reading Path
What Is Multiday Running?
Understand the sport, who does it, and why it exists.
Types of Multiday Events
Explore every format: 24h, 48h, 6-day, stage, backyard, 200+.
24-Hour Races Explained
The most popular gateway format — how it works, what to expect.
48-Hour Races Explained
The second night changes everything. Sleep, nutrition, grit.
6-Day Races Explained
The ultimate test: a week of running, problem-solving, and self-management.
Backyard Ultras Explained
Last person standing — the fastest-growing format in ultrarunning.
All Foundation Guides
What Is Multiday Running?
A complete introduction to multiday running — what it is, who does it, why it exists, and how it differs from standard ultramarathons. The starting point for anyone curious about going beyond one day.
Types of Multiday Events: A Complete Guide
Explore every format of multiday running — 24-hour, 48-hour, 6-day, stage races, backyard ultras, 200+ mile continuous races, and fixed-distance classics. Learn what makes each unique.
24-Hour Races Explained: Everything You Need to Know
A complete guide to 24-hour running races — how they work, what to expect, how to prepare, and why they are the perfect gateway to multiday running.
48-Hour Races Explained: The Second Night Changes Everything
A guide to 48-hour running races — the format that introduces real sleep deprivation, nutrition management over two full days, and the mental challenge of the second night.
6-Day Races Explained: The Ultimate Test of Endurance
A complete guide to 6-day running races — the oldest and most demanding format in multiday running. Sleep scheduling, foot care, nutrition, and mental management across nearly a week.
Backyard Ultras Explained: The Complete Guide
Everything you need to know about backyard ultra running — the rules, the format, the psychology, world records, and how to get started in ultrarunning's fastest-growing discipline.
How to Choose Your First Multiday Race
A practical decision guide for choosing your first 24-hour, 48-hour, backyard, stage race, 200-mile, or 6-day ultramarathon.
24-Hour vs 48-Hour vs 6-Day Race: Which Format Fits You?
A side-by-side comparison of 24-hour, 48-hour, and 6-day races, including pacing, sleep, training, crew needs, and first-race suitability.
Ready to Start Training?
Once you understand the formats, it's time to prepare. Head to the Training Hub for plans, guides, and practical advice.
Explore Training Guides →