Never miss an important date
How Many Days Until Boston Marathon 2026?
34 days left.
Boston Marathon is on Monday, April 20, 2026.
Get the free iPhone app with countdown widgets, reminder alerts, and easy sharing so you can plan ahead for any event.
34
days
Boston Marathon
Outside
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Frequently Asked Questions
How many days until Boston Marathon?
There are 34 days until Boston Marathon 2026 on Monday, April 20, 2026. That's 4 weeks or roughly 2 months from today.
When is Boston Marathon 2026?
Boston Marathon 2026 falls on Monday, April 20, 2026. You can add it to your calendar or set up a free countdown widget on your iPhone home screen with the Outside app.
How long until Boston Marathon?
Boston Marathon 2026 is 4 weeks and 6 days away — roughly 2 months from now. Set a reminder so you don't forget.
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 reminders, calendar sync, and sharing with friends. Used by 300k+ people.
