Marathon Training Plan
Marathon Training Plan
A 16-20 weeks guide focused on long-run durability, aerobic volume, pacing and fueling, with mileage, long-run, pacing, nutrition and mistake-avoidance guidance.
Who this Marathon plan is best for
- Runners preparing for 26.2 miles who can build training gradually.
- Athletes who need long-run durability, fueling rehearsal and pacing discipline.
- Runners with enough base fitness to handle several months of consistent mileage.
Beginner, Intermediate And Advanced Plan
Use the ranges as flexible guidance. Build gradually and keep easy days genuinely easy.
| Level | Weekly Mileage | Long Run Guidance | Workout Focus |
|---|---|---|---|
| Beginner | 30-45 miles per week | 14-20 miles, built gradually | easy mileage, steady long runs and marathon-pace practice |
| Intermediate | 45-65 miles per week | 18-22 miles, with some goal-pace work | marathon-pace blocks, tempo runs and medium-long runs |
| Advanced | 65-100 miles per week | 20-24 miles, carefully periodized | high aerobic volume, long tempo work and fueling rehearsal |
Pacing Advice
- Treat the first 10K as controlled and almost too easy.
- Use even pacing or a slight negative split as the safest goal.
- Practice marathon pace inside long runs so it feels familiar on tired legs.
Nutrition Tips
- Practice race fueling repeatedly during long runs.
- Many marathoners target regular carbohydrate intake from early in the race.
- Train with the fluids and gels you expect to use on race day.
Common Mistakes
- Increasing mileage too quickly.
- Running long runs too hard and missing recovery.
- Waiting until race day to test fueling.
Sample Training Week
- Easy run.
- Workout: marathon-pace blocks or controlled tempo.
- Recovery run or rest.
- Medium-long aerobic run.
- Easy run with strides.
- Long run within your level's range, with fueling practice.
- Rest or very easy cross-training.
How To Progress
- Build mileage and long-run distance gradually; do not jump both at once.
- Add marathon-pace work only after long runs feel manageable.
- Schedule down weeks so fatigue does not accumulate unchecked.
Race-specific workouts
Use these as examples of the workout types that support this distance. Adjust volume and recovery to match your level.
| Workout | Example Session | Purpose |
|---|---|---|
| Marathon-pace blocks | Long run with 2-3 blocks of 3-5 miles at marathon pace. | Learn goal pace on tired legs without racing the whole long run. |
| Medium-long run | 75-120 minutes easy to steady depending on level. | Build aerobic volume without relying only on the weekend long run. |
| Fueling rehearsal | Long run using the same gel, drink and timing planned for race day. | Reduce race-day stomach surprises and practice carbohydrate timing. |
Taper guidance
- Begin tapering about 2-3 weeks before race day, with the sharpest volume drop in race week.
- Keep short marathon-pace segments, but remove long hard sessions late.
- Prioritize sleep, fueling familiarity and easy running over last-minute fitness chasing.
Methodology
How this training guidance is written
- Training guidance is written for recreational runners and organized by beginner, intermediate and advanced starting points.
- Mileage and long-run ranges are intentionally flexible so runners can adjust for injury history, recovery, terrain and available training time.
- The plans are educational running guidance, not medical advice. Runners with health concerns should use qualified professional guidance before changing training load.
Last updated June 2, 2026 by the PaceConverter editorial team. Read the editorial policy.
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Frequently asked questions
How long should a Marathon training plan be?
Most Marathon plans work well over 16-20 weeks, depending on your starting fitness, running history and goal.
How many miles per week should I run for Marathon?
Weekly mileage depends on experience level. Beginner, intermediate and advanced guidance is shown in the table above.
Should I practice Marathon race pace in training?
Yes. Short controlled segments at goal pace help you learn rhythm without turning every workout into a race.