| Age on April 19, 2027 | Men | Women and non-binary athletes |
|---|---|---|
| 18–34 | 2:55:00 | 3:25:00 |
| 35–39 | 3:00:00 | 3:30:00 |
| 40–44 | 3:05:00 | 3:35:00 |
| 45–49 | 3:15:00 | 3:45:00 |
| 50–54 | 3:20:00 | 3:50:00 |
| 55–59 | 3:30:00 | 4:00:00 |
| 60–64 | 3:50:00 | 4:20:00 |
| 65–69 | 4:05:00 | 4:35:00 |
| 70–74 | 4:20:00 | 4:50:00 |
| 75–79 | 4:35:00 | 5:05:00 |
| 80+ | 4:50:00 | 5:20:00 |
Three clocks matter
Keep the qualifying standard, your result and the acceptance cutoff separate. The standard is the eligibility threshold for an age and division. Your result is the time you submit. A cutoff may be applied when qualified applications exceed the field capacity. Combining those clocks into one number is how a qualifying result becomes a mistaken promise of entry.
Check your age on race day
An age-group change can alter the applicable standard. Use the age you will be on the Boston race date and the division used by the official rules. Do not simply reuse the category from the qualifying race. The linked calculator helps organise the inputs; the B.A.A. remains the authority for eligibility.
A buffer example, without a guarantee
For a man aged 40–44 on April 19, 2027, the standard is 3:05:00. Subtracting the published 5:17 cutoff gives 2:59:43 as the 2027 cutoff reference before any downhill index. A 2:59:00 chip time on a course with no index is 43 seconds inside that reference. With a five-minute downhill index, the same chip time becomes 3:04:00 for qualification: it meets the standard but is outside the cutoff. This explains the published 2027 rules, not a future acceptance guarantee.
Before you enter a qualifying race
Confirm the current qualifying window, course eligibility and how official results are submitted. Save the official rule page with the race edition. Then compare the required pace with a recent result and the preparation you can complete. A qualifying goal needs both a rules check and a training plan; neither substitutes for the other.
Check your qualifying race before registering
Open the current B.A.A. rules alongside the event you are considering. Confirm the qualifying window, course eligibility and how the result is recorded. Save the official links with the race date. A familiar course reputation is not a substitute for the rules governing your application.
Common questions
Which age should I enter?
Use your age on 19 April 2027, not your age at the qualifying marathon. Select the division stated in the official entry rules.
Where are the standards?
The linked B.A.A. table is the authority. The calculator reproduces the edition-specific standards and shows the gap in minutes and seconds.
How does descent affect the result?
The B.A.A. publishes adjustments for substantial certified net descent. An advertised course elevation gain does not supply that net-descent measurement.
What happens after I meet the standard?
Check the entry window and acceptance process for that edition. Neither a coach nor a calculator can promise a future cutoff or acceptance.
PUT IT INTO PRACTICE
Take the next step.
Sources & author
The research and methods behind this article: