Never miss an important date
How Many Days Until Boston Marathon 2027?
338 days left.
Boston Marathon is on Monday, April 19, 2027.
Get the free iPhone app with countdown widgets, reminder alerts, and easy sharing so you can plan ahead for any event.
338
days
Boston Marathon
Outside
Free iPhone app with home screen widgets. Used by 300k+ people.
There are 338 days until Boston Marathon 2027, which falls on Monday, April 19, 2027. That is 48 weeks and 2 days away, or roughly 11 months. Boston Marathon is the high point of its sport's season, reached through a regular season and the playoff or qualifying rounds that decide who competes. Because Boston Marathon falls on a Monday, it joins the Saturday and Sunday before it to create a natural three-day weekend.
Counting down turns a vague "soon" into a clear number of days you can plan around — booking travel, sending cards, or simply building anticipation. Many people begin preparing for a date like this two to three months ahead, and a visible countdown helps pace that preparation rather than leaving everything to the final week. If you are counting down to Boston Marathon, you can add a free Outside countdown widget to your iPhone home screen; it updates every day and can be shared with friends and family.
Looking for Boston Marathon 2026?
Track Boston Marathon from your home screen
Home Screen Widgets
Beautiful countdown widgets that sit right on your home screen.
Lock Screen Widgets
See your countdown without even unlocking your phone.
Live Activities
Real-time countdown updates on your Dynamic Island.
How Boston Marathon Works
Boston Marathon sits at a fixed point in its sport's season, and its date is shaped by everything that leads up to it — the regular season, qualifying rounds, and playoff or tournament brackets that decide who competes. That structure is why the date is set well in advance yet still feels like the climax of months of competition.
For fans, knowing how many days until Boston Marathon 2027 means time to plan watch parties, book tickets or travel, and follow the build-up of standings and matchups. A countdown keeps the biggest day of the season on your radar from the moment the schedule is announced.
Frequently Asked Questions
How many days until Boston Marathon?
There are 338 days until Boston Marathon 2027, which falls on Monday, April 19, 2027. That's 48 weeks, or roughly 12 months, from today.
When is Boston Marathon 2027?
Boston Marathon 2027 is on Monday, April 19, 2027 — 338 days from today. Add it to your calendar or set up a free countdown widget on your iPhone home screen with the Outside app.
How does Boston Marathon work?
Boston Marathon is the high point of its sport's season, reached through a regular season and qualifying or playoff rounds that decide the competitors. Its date is set in advance even though the matchups are not known until the build-up plays out.
Is there a free Boston Marathon countdown app?
Yes. Outside is a free iPhone app with a Boston Marathon countdown widget for your home screen. It includes reminder alerts, calendar sync, and shared countdowns. Used by 300k+ people.
How long until Boston Marathon?
Boston Marathon 2027 is 48 weeks and 2 days away — roughly 12 months from now. Set a reminder so the day doesn't slip past you.
