Boston qualifier calculator
Your Boston qualifying standard depends on age on race day and the official entry division. For 2027, accepted qualifiers were 5:17 faster than their standard. Enter your details to see the standard, the published cutoff reference and any net-downhill adjustment. Meeting a qualifying standard gives eligibility to apply; it does not guarantee acceptance.
Your result, in detail.
Review the assumptions before turning a calculation into a target.
| Measure | Value |
|---|---|
| 2027 standard | 3:05:00 |
| Your chip time | 3:05:00 |
| Downhill index | 0:00 |
| Adjusted qualifying time | 3:05:00 |
| 2027 cutoff reference | 2:59:43 |
| Gap to published cutoff | Over by 5:17 |
| 2027 cutoff | 5:17 |
| Estimated wave · 2026 comparison | Wave 2 |
Why this number?
Official 2027 B.A.A. standard − chip time − applicable downhill index. Cutoff reference = standard − 317 seconds. Future cutoffs are not known.
How do I use it?
Use age on April 19, 2027, official division, chip time and certified net descent.
US mode accepts downhill feet; metric accepts meters. The 2027 registration window has closed. The published cutoff is historical for this edition, not a forecast for the next race.
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Public inputs are encoded in share links. Check what you are sharing.
Questions, answered.
What is my Boston qualifying target?
Your Boston qualifying standard depends on age on race day and the official entry division. For 2027, accepted qualifiers were 5:17 faster than their standard. Enter your details to see the standard, the published cutoff reference and any net-downhill adjustment. Meeting a qualifying standard gives eligibility to apply; it does not guarantee acceptance.
Which age should I enter?
Your age on 19 April 2027, for this edition’s rules. The tool does not use your age at the qualifying marathon.
Does beating the standard guarantee entry?
No. The 2027 cutoff was 5:17 faster than the standard, with a separate selection process for eligible applicants outside it. Future cutoffs are unknown.
What does the result assume?
Official 2027 B.A.A. standard − chip time − applicable downhill index. Cutoff reference = standard − 317 seconds. Future cutoffs are not known.
Is this an exact prediction?
Arithmetic conversions are exact within input precision. Physiology models and planning scenarios are estimates; use the assumptions and your training response.
Can I change units or share this result?
Yes. Unit preference is remembered on this device. The share link includes calculator inputs; review them before sharing.
Do I need an email address?
No. Results, methodology and printable output are available without an email wall.
UNDERSTAND THE RESULT
Read the coaching context.
Use these guides to understand the assumptions and apply the result to your training.