16-Week Boston Marathon Training Plan

Boston, MAApril 19, 2027

Start around December 28, 2026. The calendar below gives each phase a real date, then the course guidance shows where to make the build specific to Boston Marathon.

Boston is the one you earn. The world’s oldest annual marathon, run every year since 1897, is the only major where most of the field had to race their way in, and the Patriots’ Day point-to-point from Hopkinton to Boylston Street is the most storied 26.2 miles in the sport.

Race day
April 19, 2027
Start window
December 28, 2026
Runway
16 weeks
Course
downhill damage, then the Newton hills
Plan choice
Current training

Does this window fit your starting point?

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.

The 16-week Boston 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.

Foundation

Weeks 1–4

Dec 29, 2026–Jan 25, 2027

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

Build

Weeks 5–10

Jan 26, 2027–Mar 8, 2027

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

Peak

Weeks 11–13

Mar 9, 2027–Mar 29, 2027

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

Taper

Weeks 14–16

Mar 30, 2027–Apr 19, 2027

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

Make the window specific to Boston Marathon.

Use the first month to establish consistency, then make long runs progressively more specific to the race's terrain and conditions. The course rehearsal should grow with the plan, not appear all at once in peak week.

Read the full race guide

How to train for Boston

Downhill running is the non-negotiable. Boston's difficulty is eccentric load: long descents early, climbing at fatigue, descending again on trashed legs. Long runs that include sustained downhills (and finish over rolling terrain) build the specific durability this course examines at mile 21.

An April race means a winter buildup, and for most qualifiers that means treadmills, ice, and darkness through the biggest weeks. A plan that fits your real schedule, and treats missed days as life rather than failure, is what actually survives a New England or Midwest winter. Stride matches on exactly that.

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 April 19, 2027.

Build My Plan

16-week Boston Marathon plan questions, answered.

When should I start a 16-week Boston Marathon plan?

The 2027 Boston Marathon is scheduled for April 19, 2027, so the 16-week window opens around December 28, 2026. Treat that as the outside edge of the window, then line week one up with the plan's normal weekly rhythm.

Is a 16-week plan long enough for the Boston Marathon?

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 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 Boston Marathon course in 16 weeks?

Use the first month to establish consistency, then make long runs progressively more specific to the race's terrain and conditions. The course rehearsal should grow with the plan, not appear all at once in peak week. Downhill running is the non-negotiable. Boston's difficulty is eccentric load: long descents early, climbing at fatigue, descending again on trashed legs. Long runs that include sustained downhills (and finish over rolling terrain) build the specific durability this course examines at mile 21.

What if the 16-week Boston 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 Boston Marathon?

Most Stride marathon plans run 12 to 20 weeks, meaning a Boston buildup starts around the turn of the year and runs through winter. Get matched in the app and Stride maps every week from today to Patriots' Day.

What time do I need to qualify for Boston?

Standards are set by age group and gender: recent standards start at 2:55 (men) and 3:25 (women) for ages 18 to 34, easing with age. In oversubscribed years you also need a buffer under your standard to clear the cutoff. Confirm current standards on the B.A.A.'s official site before you plan a qualifying race.

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.