16-Week Marathon Training Plan

Sixteen weeks gives you enough time to establish a rhythm, build the long run, absorb step-back weeks, and taper without dragging the plan across half a year. It is the clean middle ground when you already run consistently but are not carrying peak marathon volume.

See the full 16-week plan

Length

16 weeks

Run days

4 each week

Week one

15 mi

Peak week

40 miles

Longest run

20 miles

The complete 16-week schedule

This is the whole plan, not a preview. It is a fixed four-day schedule, so compare its 15 mi opening week with the training you are doing now. If that would be a sudden jump, use a longer build or let your current mileage, recent longest run, marathon experience, goal, and available days rank a different plan first.

Open any week to see all seven days. Week 1 is open to start.

1Week 1Recovery week · 15 mi

Mon

Rest

Rest

Tue

Easy

3 mi easy run

Wed

Cross-training

Rest or 20 min gentle mobility

Thu

Easy

3 mi relaxed aerobic run

Fri

Rest

Rest

Sat

Easy

3 mi easy run

Sun

Long run

6 mi long run, conversational effort

2Week 2Foundation · 19 mi

Mon

Rest

Rest

Tue

Easy

3 mi easy run

Wed

Cross-training

30–40 min easy cross-training

Thu

Easy

5 mi relaxed aerobic run

Fri

Rest

Rest

Sat

Easy

3 mi easy run + 4 relaxed strides

Sun

Long run

8 mi long run, conversational effort

3Week 3Foundation · 22 mi

Mon

Rest

Rest

Tue

Easy

4 mi easy run

Wed

Cross-training

30–40 min easy cross-training

Thu

Easy

5 mi relaxed aerobic run

Fri

Rest

Rest

Sat

Easy

3 mi easy run

Sun

Long run

10 mi long run; practice fluids

4Week 4Recovery week · 18 mi

Mon

Rest

Rest

Tue

Easy

3 mi easy run

Wed

Cross-training

Rest or 25 min gentle cross-training

Thu

Easy

4 mi relaxed aerobic run

Fri

Rest

Rest

Sat

Easy

3 mi easy run

Sun

Long run

8 mi long run, conversational effort

5Week 5Build · 25 mi

Mon

Rest

Rest

Tue

Easy

4 mi easy run

Wed

Cross-training

30–40 min easy cross-training

Thu

Quality

6 mi steady run; final 1 mi at planned marathon effort

Fri

Rest

Rest

Sat

Easy

3 mi easy run

Sun

Long run

12 mi long run; practice fuel and fluids

6Week 6Recovery week · 23 mi

Mon

Rest

Rest

Tue

Easy

4 mi easy run

Wed

Cross-training

30 min easy cross-training or mobility

Thu

Easy

5 mi relaxed aerobic run

Fri

Rest

Rest

Sat

Easy

4 mi easy run + 4 relaxed strides

Sun

Long run

10 mi long run, conversational effort

7Week 7Build · 29 mi

Mon

Rest

Rest

Tue

Easy

4 mi easy run

Wed

Cross-training

30–40 min easy cross-training

Thu

Quality

7 mi steady run; middle 2 mi at planned marathon effort

Fri

Rest

Rest

Sat

Easy

4 mi easy run

Sun

Long run

14 mi long run; use race-day fuel timing

8Week 8Recovery week · 24 mi

Mon

Rest

Rest

Tue

Easy

4 mi easy run

Wed

Cross-training

Rest or 25 min gentle cross-training

Thu

Easy

5 mi relaxed aerobic run

Fri

Rest

Rest

Sat

Easy

4 mi easy run

Sun

Long run

11 mi long run, conversational effort

9Week 9Build · 32 mi

Mon

Rest

Rest

Tue

Easy

5 mi easy run

Wed

Cross-training

30–40 min easy cross-training

Thu

Quality

7 mi steady run; final 2 mi at planned marathon effort

Fri

Rest

Rest

Sat

Easy

4 mi easy run

Sun

Long run

16 mi long run; rehearse fuel, fluids, and kit

10Week 10Recovery week · 26 mi

Mon

Rest

Rest

Tue

Easy

4 mi easy run

Wed

Cross-training

Rest or 25 min gentle cross-training

Thu

Easy

6 mi relaxed aerobic run

Fri

Rest

Rest

Sat

Easy

4 mi easy run + 4 relaxed strides

Sun

Long run

12 mi long run, conversational effort

11Week 11Peak week · 36 mi

Mon

Rest

Rest

Tue

Easy

5 mi easy run

Wed

Cross-training

30 min easy cross-training or mobility

Thu

Quality

8 mi steady run; middle 3 mi at planned marathon effort

Fri

Rest

Rest

Sat

Easy

5 mi easy run

Sun

Long run

18 mi long run; full race-day fueling rehearsal

12Week 12Recovery week · 29 mi

Mon

Rest

Rest

Tue

Easy

5 mi easy run

Wed

Cross-training

Rest or 25 min gentle cross-training

Thu

Easy

6 mi relaxed aerobic run

Fri

Rest

Rest

Sat

Easy

4 mi easy run

Sun

Long run

14 mi long run, conversational effort

13Week 13Peak week · 40 mi

Mon

Rest

Rest

Tue

Easy

6 mi easy run

Wed

Cross-training

30 min easy cross-training or mobility

Thu

Quality

9 mi steady run; middle 4 mi at planned marathon effort

Fri

Rest

Rest

Sat

Easy

5 mi easy run

Sun

Long run

20 mi long run; complete race-day rehearsal

14Week 14Taper · 26 mi

Mon

Rest

Rest

Tue

Easy

4 mi easy run

Wed

Cross-training

25 min easy cross-training or mobility

Thu

Quality

6 mi relaxed run; 2 mi at planned marathon effort

Fri

Rest

Rest

Sat

Easy

4 mi easy run

Sun

Long run

12 mi long run, controlled effort

15Week 15Taper · 18 mi

Mon

Rest

Rest

Tue

Easy

3 mi easy run

Wed

Cross-training

Rest or 20 min gentle mobility

Thu

Easy

4 mi relaxed run + 4 short strides

Fri

Rest

Rest

Sat

Easy

3 mi easy run

Sun

Long run

8 mi long run, conversational effort

16Week 16Taper · 8 mi + race

Mon

Rest

Rest

Tue

Easy

3 mi easy run

Wed

Rest

Rest or 15 min gentle mobility

Thu

Easy

3 mi easy run + 4 short strides

Fri

Rest

Rest

Sat

Easy

2 mi shakeout, or rest

Sun

Race

Marathon — 26.2 mi

Published from the Stride plan library snapshot dated September 19, 2026. General training information only; it does not replace medical advice or individual coaching.

A 16-week plan gives the build room to breathe.

Use this window when you have a running base and want several weeks before the hardest marathon-specific work begins. The extra month over a 12-week plan creates more room for gradual long-run growth and recovery.

  • You run consistently enough that week one is a continuation, not a restart.
  • You want a distinct foundation phase before the biggest long runs.
  • You can protect your planned run days for roughly four months.
  • Your race date leaves the full window without forcing skipped weeks.

16 weeks, four distinct jobs.

This page gives you one complete four-day schedule. Its opening mileage and workout load still have to match the running you are doing now.

Foundation

Weeks 1–4

Establish repeatable weeks, keep most running easy, and begin extending the long run without forcing the pace.

Build

Weeks 5–10

Increase the weekly load, preserve step-back weeks, and introduce the terrain and effort the race will require.

Peak

Weeks 11–13

Complete the biggest race-specific weeks and use long runs to lock in fueling, pacing, and equipment.

Taper

Weeks 14–16

Bring volume down while keeping the weekly rhythm familiar. Training is finished before race week begins.

Choose the schedule that starts where your running is now.

Your race date, current mileage, recent longest run, marathon experience, goal, and available days decide which plans rank first. After you choose and subscribe, Stride dates every workout through race day.

Build My Plan

16-week marathon plan questions, answered.

Is 16 weeks enough to train for a marathon?

Sixteen weeks is enough for many runners who already run consistently. It gives the plan room for a foundation phase, progressive long runs, step-back weeks, peak work, and a taper.

Who should use a 16-week marathon plan?

Use this window when you have a running base and want several weeks before the hardest marathon-specific work begins. The extra month over a 12-week plan creates more room for gradual long-run growth and recovery. The opening mileage and number of run days still need to match the training you are doing now.

How many days a week should I run in a 16-week marathon plan?

Plan length does not decide run frequency. Your available run days, current mileage, recent longest run, marathon experience, and goal should decide which schedule fits. Protect a repeatable week instead of choosing more run days than you can consistently complete.

What if I miss a week in a 16-week build?

Do not cram the missed mileage into the following week. Return to the schedule at a load you can handle, protect the taper, and reconsider the plan if the next week would create a sudden jump from your recent running.

Put the 16-week window against your actual race.

Each page counts back from race day, maps the 4 phases to real dates, and applies the window to that course and its typical conditions.