131st Boston Marathon Training Plan
131st Boston Marathon is on 19 Apr 2027. Here is a 16-week plan counted back from race week, with 1–3 sessions a week and a longest session of 2 hours. Every week is dated below. Or let SportPlan build it around your schedule and race date.
26.2 miles / 42.195 km
Boston, US · · 26 weeks to race day
Check the organiser’s site for the exact date.
16 weeks · 0.0–3.7 hours a week · 0–3 sessions per week · longest session 120 min
Take this goal into the plan builder and choose the schedule that fits your week.
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Week-by-week schedule
The final plan week is the Monday-to-Sunday week containing race day. In that week, only sessions before race day are listed; race duration is not included in the training totals.
If the schedule has already started, use the plan builder to choose a suitable starting point rather than compressing the missed weeks.
| Week | Phase | Sessions | Weekly total |
|---|---|---|---|
| Week 1 | Base |
| 120 min · 3 sessions |
| Week 2 | Base |
| 115 min · 2 sessions |
| Week 3 | Base |
| 160 min · 3 sessions |
| Week 4 | Base |
| 110 min · 3 sessions |
| Week 5 | Build |
| 170 min · 3 sessions |
| Week 6 | Build |
| 140 min · 2 sessions |
| Week 7 | Build |
| 220 min · 3 sessions |
| Week 8 | Build |
| 135 min · 3 sessions |
| Week 9 | Build |
| 220 min · 3 sessions |
| Week 10 | Specific |
| 150 min · 2 sessions |
| Week 11 | Specific |
| 220 min · 3 sessions |
| Week 12 | Specific |
| 110 min · 2 sessions |
| Week 13 | Specific |
| 200 min · 3 sessions |
| Week 14 | Taper |
| 170 min · 3 sessions |
| Week 15 | Taper |
| 90 min · 2 sessions |
| Week 16 | Taper |
| 0 min · 0 sessions |
Take this goal into the plan builder and choose the schedule that fits your week.
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Questions about this schedule
How long is this schedule?
The complete schedule contains 16 weeks.
How many sessions are scheduled each week?
The schedule contains 0–3 sessions per week, counting every listed session, including strength and mobility when present.
How long is the longest session?
The longest scheduled training session is 120 minutes. Race day has no estimated duration in this table.
What do the final weeks contain?
The final three weeks all belong to the taper phase. Their complete sessions and durations are listed in the schedule.
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This is a general template, not medical advice; check with a doctor before you start a new training load.