Skip to content
← All races

[ RACE.2026 ] πŸ‡ΊπŸ‡Έ Boston, United States

Boston Marathon presented by Bank of America Training Plan

20 April 2026

Boston is the marathon you qualify for, and the course explains why the qualifying exists: a point-to-point route that drops far more than it climbs and still manages to break people. It rewards runners who train for downhills as seriously as uphills.

What the course is actually like

Boston runs point-to-point from Hopkinton into the city, and the profile is the opposite of what its reputation suggests: the course loses far more elevation than it gains, with the steepest drops packed into the opening kilometres. That early descent is the trap - fresh legs on a downhill produce splits that feel free and quietly wreck your quadriceps for what comes later.

What comes later is Newton: a series of four climbs beginning around the 26 km mark, ending with Heartbreak Hill at roughly 32-34 km. None of them is steep by trail standards - Heartbreak is well under a kilometre at a modest grade. They hurt because of where they are, arriving exactly when a marathon starts collecting debts, on legs the early downhills have already taxed.

How to train for it

Boston is the rare road marathon where downhill running belongs in the plan. Long runs that finish on tired-leg descents teach your quads to absorb the pounding that the first 25 km will deliver; runners who only train climbs discover in Newton that it was never the uphills that broke them.

Practice a restrained start until it feels unnatural. The gun-to-10K stretch drops enough that goal pace feels like jogging, and the field around you will be banking time. The race rewards the runners still passing people on Heartbreak - which is a pacing decision made two hours earlier.

Weather and what to expect on the day

Mid-April in New England is genuinely unpredictable: the race has been run in tailwinds, headwinds, unseasonable heat and cold rain, sometimes within a few years of each other. Train through what your winter gives you and pack options for the start line.

The point-to-point layout also means the weather travels with you - a westerly tailwind helps all day, an easterly headwind off the ocean punishes the closing city miles. Check the wind direction on race morning; it matters more here than on any loop course.

Which distance are you running?

Official site: www.aims-worldrunning.org/races/707.html

// SAMPLE BUILD

What a 12-week Marathon build looks like

A typical outline for Boston Marathon presented by Bank of America. Your actual plan is built around your level, schedule and goal time - this shows the shape of the training.

WKPhaseVolumeKey session
01Base40 kmLong run Β· 16 km
02Base44 kmLong run Β· 18 km
03Base48 kmTempo Β· 2Γ—15 min
04Base42 kmLong run Β· 16 km
05Build50 kmIntervals Β· 6Γ—800 m
06Build54 kmLong run Β· 26 km
07Build46 kmTempo Β· 3Γ—15 min
08Build58 kmLong run Β· 29 km
09Peak62 kmLong run Β· 32 km
10Peak56 kmIntervals Β· 6Γ—1 km
11Taper42 kmLong run Β· 18 km
12Taper28 kmRace day

This is a sample - your plan adapts to your level, schedule and goal, free. Build my plan

Not sure what pace to aim for? Work it out with the free pace calculator

Want to know how the plan is built before you start? How the free AI plan generator works

In-depth 2026 race guides

// HOW IT WORKS

How Pace Builder works

Tell us about you in 2 minutes. We generate a 4-week plan that adapts as you log your runs and counts down to your race day.

Build my plan