Build Durable Volume
Use the first half of the block to make weekly mileage repeatable before the biggest long runs arrive.
Race plan field guide
16 Week MarathonTraining Plan
A 16 week block gives you time to build endurance, practice fueling, handle peak long runs, and taper without rushing the work.
Create My 16 Week Marathon PlanNo card required · preview the first two weeks
Week sheet · Marathon
Compare the training rhythm
MonWorkoutEasy 8k
TueWorkoutTempo 8k
WedWorkoutEasy 6k
ThuWorkoutIntervals 6x800
FriRecoveryRest
SatWorkoutLong 18k
SunRecoveryRest
The race brief
The standard marathon runway
Sixteen weeks works best when you already run consistently and need a full marathon build, not a last-minute survival plan.
What the 16 weeks need to cover
Practice Marathon Pace
Add marathon-pace work once the long run is stable enough to absorb it.
Training architecture
What a Marathon plan usually includes
Use these ranges as a planning baseline. Your generated schedule adjusts them around current fitness, available days, race date, and goal pace.
Typical length12-20 weeks
Weekly volume25-60 miles / 40-96 km
Long-run peak14-20 miles / 22-32 km
What matters for a 16 week marathon
Respect the first month
The opening weeks are not filler. They make the peak long runs possible without turning the block into damage control.
Practice fuel before peak week
Long-run fueling should be tested early enough that you can adjust it, not discovered on race day.
Keep marathon pace honest
Goal pace should feel controlled in blocks. If it wrecks the rest of the week, the target or volume needs adjusting.
Preview a 16 week marathon week
This is a controlled peak-build week: enough marathon work to matter, not so much that the next week falls apart.
| Day | Focus | Purpose |
|---|---|---|
| Mon | Rest | Full rest, especially after the previous long run. |
| Tue | Marathon pace | 12 km / 7.5 mi total with 2 x 20 min at marathon effort. |
| Wed | Easy | 45-60 min easy. Keep it genuinely easy. |
| Thu | Medium long | 80-90 min aerobic, relaxed and steady. |
| Fri | Rest | Recovery before the long run. |
| Sat | Long run | 18 miles / 29 km easy with the exact fueling plan you want to test. |
| Sun | Recovery | 30-40 min very easy or cross-training. |
Which level should you choose?
Beginner
Use this if the main job is getting to the start line healthy, with long runs and fueling practice built slowly.
Intermediate
Use this if you already run consistently and want a marathon block with steady volume and marathon-pace work.
Advanced
Use this if you have marathon experience and can absorb bigger weeks without forcing recovery.
How long should the plan be?
12 weeks
Only makes sense if you already have a solid base and recent long runs.
16 weeks
The standard choice for many marathoners because it balances build, peak, and taper.
18-20 weeks
Better for first marathons, comeback blocks, or runners who need more time to build long-run durability.
Common mistakes to avoid
- Building the long run faster than weekly volume supports
- Practicing fueling too late in the training block
- Running marathon-pace workouts while carrying too much fatigue
Before the first week
Calibrate this Marathon plan
Check the goal, paces, and training zones before turning a general plan into your weekly schedule.
Check 01
Predict your Marathon finish time
Use a recent race or time trial to choose a realistic goal before training starts.
Check 02Calculate training paces
Convert goal time, distance, and pace into numbers you can use on workout days.
Check 03Estimate VO2 max
Benchmark current fitness from race time or running pace before setting plan intensity.
Check 04Set training zones
Map easy, tempo, threshold, and interval efforts to useful intensity ranges.
What your 16 week marathon plan should include
- 16 week duration prefilled
- 5 day/week default that can be adjusted
- Long-run build and taper structure
- Fueling practice before race month
- Goal pace support for time targets
- Recovery weeks when the block gets heavy
Turn the field guide into your training week.
Preview two personalised weeks free. Unlock the full race plan only if it fits.
16 Week Marathon Plan FAQs
The practical questions runners usually need answered before choosing a training block.
Next course markers
Keep comparing
Compare related plans and supporting guidance before choosing the training block that matches your race.
Calibration bench
Check the inputs
Use the calculators to pressure-test pace and intensity before turning this guide into a schedule.
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