How many weeks until Boston Marathon?
26 weeks and 2 days until Boston Marathon 2027
Monday, April 19, 2027
184 days in total.
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
Week by week to Boston Marathon
Each date below is exactly that many whole weeks before Monday, April 19, 2027 — the same weekday, counting down. Boston Marathon falls in ISO week 16 of 2027.
| Weeks left | On | ISO week |
|---|---|---|
| 26 weeks to go | Monday, October 19, 2026 | 43 |
| 25 weeks to go | Monday, October 26, 2026 | 44 |
| 24 weeks to go | Monday, November 2, 2026 | 45 |
| 23 weeks to go | Monday, November 9, 2026 | 46 |
| 22 weeks to go | Monday, November 16, 2026 | 47 |
| 21 weeks to go | Monday, November 23, 2026 | 48 |
| 20 weeks to go | Monday, November 30, 2026 | 49 |
| 19 weeks to go | Monday, December 7, 2026 | 50 |
| 18 weeks to go | Monday, December 14, 2026 | 51 |
| 17 weeks to go | Monday, December 21, 2026 | 52 |
| 16 weeks to go | Monday, December 28, 2026 | 53 |
| 15 weeks to go | Monday, January 4, 2027 | 1 |
| 14 weeks to go | Monday, January 11, 2027 | 2 |
| 13 weeks to go | Monday, January 18, 2027 | 3 |
| 12 weeks to go | Monday, January 25, 2027 | 4 |
| 11 weeks to go | Monday, February 1, 2027 | 5 |
| 10 weeks to go | Monday, February 8, 2027 | 6 |
| 9 weeks to go | Monday, February 15, 2027 | 7 |
| 8 weeks to go | Monday, February 22, 2027 | 8 |
| 7 weeks to go | Monday, March 1, 2027 | 9 |
| 6 weeks to go | Monday, March 8, 2027 | 10 |
| 5 weeks to go | Monday, March 15, 2027 | 11 |
| 4 weeks to go | Monday, March 22, 2027 | 12 |
| 3 weeks to go | Monday, March 29, 2027 | 13 |
| 2 weeks to go | Monday, April 5, 2027 | 14 |
| 1 week to go | Monday, April 12, 2027 | 15 |
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.
Count down to Boston Marathon in
Related countdowns
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 weeks counted?
Whole 7-day weeks plus the remaining days, taken from the same day count.
Why does Boston Marathon change date every year?
Boston Marathon falls on Patriots' Day, the third Monday in April.