Boston MarathonBoston, United States🇺🇸
About Boston Marathon 2027
Boston Marathon 2027 is a road running race held on Mon, Apr 19, 2027 in Boston, United States; the start is at 11:10.
Registration is taken on the official site; no deadline has been announced. Dates, registration windows and fees on this page are refreshed every morning by scanning federation, timing and organiser sites; registration always happens on the official race site.
Someone running 30 km a week needs 14 weeks, about 3 months, to prepare for the 42K course of Boston Marathon 2027; the latest start is Mon, Jan 11, 2027.
Longstanding relationship that began at the Boston Marathon in 1984 now encompasses the full portfolio of B.A.A. events The Boston Athletic Association (B.A.A.)
Courses
| Course | Distance |
|---|---|
| 42K | 42 km |
Single course: 42K.
What the weather is usually like here
- Over the last 5 years this week typically ran 5°C to 14°C here, with a high of 27°C and a low of 0°C.
- 37% of those days saw rain. A real forecast lands about two weeks out and will appear here then.
- Typical daily maximum wind was 24 km/h (a moderate wind), with 42 km/h the highest value in the sample.
- Sunrise 05:56, sunset 19:30.
The race is more than two weeks out, so these are averages of recent years for the same week, not a forecast. A real forecast appears here closer to the day.
Calculators for this race
Registration
- StandardMon, Sep 14, 2026Registration open
Data sources: World Marathon Majors, official site (baa.org) · Last checked:
Tune-up races
Prep races you can run in the weeks before this one, ahead of your taper.
Similar races
Frequently asked questions
(6)
What is Boston Marathon?
Longstanding relationship that began at the Boston Marathon in 1984 now encompasses the full portfolio of B.A.A. events The Boston Athletic Association (B.A.A.)
When is Boston Marathon 2027?
Boston Marathon takes place on Mon, Apr 19, 2027. Start time: 11:10.
Where does Boston Marathon take place?
Boston Marathon takes place in Boston, United States.
What are the courses and distances of Boston Marathon 2027?
Boston Marathon offers 1 course: 42K (42 km).
What is the official website of Boston Marathon?
Official website: https://www.baa.org/races/boston-marathon
What is the weather like at Boston Marathon 2027?
Over the last 5 years the same week here measured 5°C to 14°C, with a high of 27°C, a low of 0°C and rain on 37% of days. A real forecast lands about two weeks out.