12-Week Philadelphia Marathon Training Plan

Philadelphia, PANovember 22, 2026

Start around August 30, 2026. The calendar below gives each phase a real date, then the course guidance shows where to make the build specific to Philadelphia Marathon.

Philadelphia is one of the best-kept open secrets in American marathoning: a big-city race with no lottery, late-November PR weather, and a mostly flat course that starts and finishes on the Benjamin Franklin Parkway in the shadow of the Art Museum steps.

Race day
November 22, 2026
Start window
August 30, 2026
Runway
12 weeks
Course
city first, river second
Plan choice
Current training

Does this window fit your starting point?

Use this window when your recent training is steady and the opening week will not be a mileage jump. If you are returning after a long break, twelve weeks is too little room to rebuild and peak at the same time.

  • Your weekly mileage has been consistent for the last six to eight weeks.
  • You have completed recent long runs and do not need to rebuild from three easy miles.
  • You can protect the same number of run days from week one through race week.
  • You are prepared to begin race-specific work early instead of using a long base phase.

The 12-week Philadelphia Marathon calendar

These dates define the job of each phase. Your current mileage, recent longest run, experience, goal, and available days still decide the actual workouts inside them.

Settle

Weeks 1–2

Aug 31, 2026–Sep 13, 2026

Hold close to your current volume, establish the weekly rhythm, and make sure the opening load is honest.

Build

Weeks 3–7

Sep 14, 2026–Oct 18, 2026

Grow the long run and weekly work with step-back weeks intact. There is no room to repay missed mileage.

Peak

Weeks 8–10

Oct 19, 2026–Nov 8, 2026

Complete the most race-specific long runs, rehearse fueling, and practice the terrain that will decide the final 10K.

Taper

Weeks 11–12

Nov 9, 2026–Nov 22, 2026

Reduce volume, keep the routine familiar, and arrive on race day without trying to squeeze in one more big week.

Make the window specific to Philadelphia Marathon.

Course-specific work starts early in a 12-week build. Put the race's terrain and expected conditions into long runs once the opening weeks feel controlled, without adding extra hard days.

Read the full race guide

How to train for Philadelphia

This is a rhythm course in PR weather, so train rhythm: long runs with sustained goal-pace stretches, especially in the final third. The mostly-flat profile means no terrain will break your stride, but nothing will break the monotony either.

A late-November race means your peak weeks land in October's perfect running weather, with a buildup that starts in late-summer heat. Watch the flip side: race morning can be genuinely cold, so rehearse your layers and warm-up routine on your last cold long runs.

Let your current training decide the actual plan.

Current mileage, recent longest run, marathon experience, goal, and available days determine which plans rank first. After you choose and subscribe, Stride dates every workout through November 22, 2026.

Build My Plan

12-week Philadelphia Marathon plan questions, answered.

When should I start a 12-week Philadelphia Marathon plan?

The 2026 Philadelphia Marathon is scheduled for November 22, 2026, so the 12-week window opens around August 30, 2026. Treat that as the outside edge of the window, then line week one up with the plan's normal weekly rhythm.

Is a 12-week plan long enough for the Philadelphia Marathon?

Use this window when your recent training is steady and the opening week will not be a mileage jump. If you are returning after a long break, twelve weeks is too little room to rebuild and peak at the same time. The course does not change the opening load you can handle, so choose from your current mileage and recent longest run before adding race-specific terrain.

How should I prepare for the Philadelphia Marathon course in 12 weeks?

Course-specific work starts early in a 12-week build. Put the race's terrain and expected conditions into long runs once the opening weeks feel controlled, without adding extra hard days. This is a rhythm course in PR weather, so train rhythm: long runs with sustained goal-pace stretches, especially in the final third. The mostly-flat profile means no terrain will break your stride, but nothing will break the monotony either.

What if the 12-week Philadelphia Marathon window has already started?

Do not double weeks or cram missed mileage into the remaining calendar. Use your current mileage, recent longest run, experience, goal, and available days to choose a plan that can enter at an appropriate point while preserving the taper.

How long do I need to train for the Philadelphia Marathon?

Most Stride marathon plans run 12 to 20 weeks. A late-November race means peak training lands in ideal October weather. Get matched in the app and every week from today to race day gets mapped automatically.

Is Philadelphia a fast course?

Yes: mostly flat with a few short climbs in the first half, and late-November air that's usually ideal for racing. It's a popular PR and BQ pick precisely because it combines fast conditions with open registration.

Put the 12-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.