Build durability first
Training
Adaptable training frameworks, worked weeks, and race rehearsals for backyard ultras and 24-hour to six-day events.
Training for multiday running combines general endurance with event-specific problem solving. The appropriate duration, frequency, terrain, walking, darkness practice, and recovery depend on your current health, training history, and the actual race.
Choose an ultramarathon training plan by matching its format, starting point, and schedule to your race. The guides below provide adaptable frameworks for backyard ultras and timed races, plus preparation resources for fixed distances. Set weekly load from training you already tolerate and allow room to adjust.
Backyard Ultra Training Plan: A 16-Week Framework
Plan your backyard ultra build with an adaptable 16-week framework, a printable worksheet, hourly-loop rehearsals, pacing tools, and recovery guidance.
Choose a Framework for Your Race
First 24-Hour Race
For runners with consistent easy training: use a 12-week framework, a completed sample week, and a pacing calculation to prepare for one continuous day.
Backyard Ultra Training
For runners ready to practice repeated hourly starts: use a 16-week framework, a worked week, and a printable loop-rehearsal worksheet.
Timeline and Readiness
Match your build length to your current base, injury history, and target race format.
100-Mile Preparation
Start with the course, climbing, aid spacing, and cutoff system. These preparation resources help you assess a race before choosing an individualized schedule.
New to Ultramarathons?
Compare 50K, 50-mile, 100K, and longer distances, then assess the training and practical demands of your first race.
Longer Timed Events
For runners already recovering predictably from long sessions: compare a 48-hour restart rehearsal with six-day routines for repeated sleep, foot care, and crew handoffs.
All Guides
How to Train for Your First 24-Hour Race
An adaptable 24-hour race framework covering progression, recovery, walking, night-gear practice, fueling, tapering, and clear stop criteria.
How to Train for a 48-Hour Race
An adaptable 48-hour race framework covering durable movement, sleep planning, foot care, fueling practice, progression, recovery, and safety.
How to Train for a 6-Day Race
Prepare for a six-day race with a 24-week framework, an example training week, phase checkpoints, and a practical rehearsal worksheet.
Tapering for 24-Hour, 48-Hour, and Multiday Races
A flexible taper-planning framework for ultramarathons and multiday races, with evidence limits, individual factors, race-week logistics, and warning signs.
Common Questions
How much mileage do multiday runners need?
There is no validated weekly-mileage threshold. Start from training you already tolerate consistently, change one variable at a time, and monitor pain, illness, sleep, energy, mood, and performance. Event-specific skills and recovery matter alongside volume.
Should you train through the night?
Not as routine sleep-deprivation training. If your race includes darkness, a carefully planned session can test lighting, layers, footing, and logistics; keep it controlled, use a safe route or companion, and protect recovery afterward.
What should beginners train first?
First establish a repeatable period of mostly easy endurance activity without unresolved injury or illness. Then add one relevant demand at a time—such as terrain, walking, familiar food, lighting, or equipment—and keep only what you recover from.