How many sleeps until Boston Marathon?
184 sleeps until Boston Marathon!
Monday, April 19, 2027
Tonight is sleep number one.
Counted from today, Saturday, October 17, 2026, in your time zone. The target day itself is included; today is not. Dates follow the official rule — see our sources.
Every way to count to Boston Marathon 2027
- Days
- 184 days
- Weeks
- 26 weeks and 2 days
- Months
- 6 months, 2 days
- Weekends
- 26 weekends
- Business days
- 131 days
- 125 without US federal holidays
- Sleeps
- 184 sleeps
- Fortnights
- 13 fortnights, 2 days
- Hours
- 4,416
Sleeps chart for Boston Marathon
Tonight is sleep number 184. Cross one off each morning — the last box is the night before Monday, April 19, 2027. The chart shows the final 31 sleeps. 1 sleep are left this week, counting tonight.
- 31Mar 19
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- 1Apr 18
About Boston Marathon
The Boston Marathon, first run in 1897, is the world's oldest annual marathon, running 26.2 miles from Hopkinton to Boylston Street in Boston. It is held on Patriots' Day, a state holiday in Massachusetts and Maine.
Boston Marathon falls on Patriots' Day, the third Monday in April.
More about Boston Marathon: history and traditions
How we check dates and facts: see our sources.
After 2027, Boston Marathon falls on April 17, 2028, April 16, 2029, April 15, 2030. See every year.
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Frequently asked questions
When is Boston Marathon 2027?
Boston Marathon 2027 is on Monday, April 19, 2027. Boston Marathon falls on Patriots' Day, the third Monday in April.
When is Boston Marathon 2028?
Boston Marathon 2028 falls on Monday, April 17, 2028.
How many days until Boston Marathon?
184 days, counting from today to April 19, 2027.
How are sleeps counted?
One sleep per night between now and the big day, tonight is sleep number one.
Why does Boston Marathon change date every year?
Boston Marathon falls on Patriots' Day, the third Monday in April.