Boston Qualifying Standards

2027 Boston Marathon Qualifying Times by Age

Official B.A.A. standards converted into qualifying pace per kilometre and mile.

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The official 2027 Boston Marathon qualifying times vary by age and division. This page converts every open-division standard into average pace per kilometre and mile. These are application standards for Boston, not average marathon times or recommended training paces.

What a Boston qualifying time means

A qualifying time is the minimum performance needed to submit an application in an athlete's age group and division. It is not an average finish time, a prediction from age alone, or a guarantee of entry.

The Boston Athletic Association uses the athlete's age on race day. Always confirm the current standard and eligibility rules on the official B.A.A. qualifying page before choosing a target.

2027 Boston qualifying times and pace by age

Times are the official 2027 Boston qualifying standards. Pace conversions are rounded to the nearest second. The B.A.A. publishes the same standard for women and non-binary athletes.

Age on race day Men: time Men: pace /km Men: pace /mile Women and non-binary: time Women and non-binary: pace /km Women and non-binary: pace /mile
18–342:55:004:096:403:25:004:527:49
35–393:00:004:166:523:30:004:598:01
40–443:05:004:237:033:35:005:068:12
45–493:15:004:377:263:45:005:208:35
50–543:20:004:447:383:50:005:278:46
55–593:30:004:598:014:00:005:419:09
60–643:50:005:278:464:20:006:109:55
65–694:05:005:489:214:35:006:3110:29
70–744:20:006:109:554:50:006:5211:04
75–794:35:006:3110:295:05:007:1411:38
80 and older4:50:006:5211:045:20:007:3512:12

Important: these are qualification standards for one race, not recommended training paces, average finish times, or a definition of a successful marathon.

Important 2027 Boston Marathon entry rules

  • Age group: your standard is based on your age on April 19, 2027, the scheduled race date.
  • Qualifying time: the B.A.A. uses an official submitted net or chip time from an eligible course within the qualifying window.
  • Entry is not guaranteed: meeting the standard allows you to apply. If eligible applications exceed the available places, the B.A.A.'s published 2027 selection process applies.
  • Net-downhill courses: starting with 2027 qualification, the B.A.A. applies time adjustments to certain courses with a net drop of at least 1,500 feet and excludes courses with a net drop of 6,000 feet or more.

Rules and dates can change. Check the B.A.A. page before entering a qualifying race or submitting an application.

How the pace conversions were calculated

Each standard was converted with the same reproducible calculation:

  • Pace per kilometre = total finish-time seconds ÷ 42.195.
  • Pace per mile = total finish-time seconds ÷ 26.2188.
  • Each result was rounded to the nearest whole second.

For example, 3:30:00 is 12,600 seconds. Dividing by 42.195 gives 298.61 seconds per kilometre, which rounds to 4:59/km.

How to set a realistic marathon goal pace

  1. Start with a recent race. A properly raced 10K or half marathon provides more useful evidence than age alone.
  2. Estimate the marathon equivalent. Use the race time predictor, then treat the result as a starting estimate rather than a promise.
  3. Check marathon preparation. Long-run durability, weekly volume, fueling practice, injury history, heat, elevation, and course profile can all move the realistic target.
  4. Convert the chosen finish time. Use the pace calculator for exact min/km and min/mile values.
  5. Plan controlled splits. Use the race splits calculator to avoid an unnecessarily fast opening section.

How age affects marathon performance

Large marathon datasets show that the relationship between age and performance is gradual and varies by performance level. Research using New York City Marathon results found an interaction between age, performance level, and pacing rather than one universal age penalty (Nikolaidis and Knechtle, 2017).

Other longitudinal marathon research found that finish times generally increase with age, with a more substantial decline after age 70, while individual results still vary widely (Leyk et al., 2007). This is why age works better as comparison context than as a stand-alone prediction input.

Boston qualifying-time FAQ

Are these average marathon times by age?

No. They are competitive Boston Marathon application standards. A typical marathon finish-time comparison requires results data from a defined event or population.

Does running the qualifying time guarantee entry?

No. It makes an athlete eligible to apply. The B.A.A.'s current registration and selection rules determine who is accepted if demand exceeds the available field.

Which age group applies if I have a birthday before race day?

The B.A.A. bases the standard on your age on the date of the Boston Marathon, not your age when you ran the qualifying race.

Sources and methodology

Editorial check completed by the RunCalcs Editorial Team: September 11, 2026. The table reproduces the B.A.A.'s 2027 qualifying times and applies the conversion method shown above. Standards, course adjustments, and entry procedures can change, so verify them with the organising body before planning an application.

Last updated: September 11, 2026