Boston Marathon
E2435
The Boston Marathon is the world’s oldest annual marathon and one of the most prestigious long-distance running races, attracting elite and amateur runners from around the globe each Patriots’ Day.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Boston Marathon canonical | 15 |
| Boston Marathon route | 2 |
| 1952 Boston Marathon | 1 |
| BAA Boston Marathon | 1 |
| Boston Marathon course in Newton | 1 |
| Boston Marathon elite athlete program | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T45055 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston Marathon Context triple: [Boston, Massachusetts, majorEvent, Boston Marathon]
-
A.
Boston, Massachusetts
Boston, Massachusetts is a historic New England city and the capital of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and cultural and economic influence.
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B.
St. Patrick’s Day Parade
The St. Patrick’s Day Parade is a major annual celebration of Irish heritage and culture in New York City, featuring marching bands, bagpipers, and community groups proceeding through Manhattan.
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C.
Belmont, Massachusetts, United States
Belmont, Massachusetts, United States, is a suburban town just west of Boston known for its affluent residential character and strong public schools.
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D.
Port of Boston
The Port of Boston is a major New England seaport and transportation hub handling cargo, cruise ships, and maritime commerce for the Boston metropolitan area.
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E.
Boston Consortium
The Boston Consortium is a collaborative association of leading higher education institutions in the Boston area that work together to share resources and improve academic and administrative effectiveness.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Boston Marathon Target entity description: The Boston Marathon is the world’s oldest annual marathon and one of the most prestigious long-distance running races, attracting elite and amateur runners from around the globe each Patriots’ Day.
-
A.
Boston, Massachusetts
Boston, Massachusetts is a historic New England city and the capital of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and cultural and economic influence.
-
B.
St. Patrick’s Day Parade
The St. Patrick’s Day Parade is a major annual celebration of Irish heritage and culture in New York City, featuring marching bands, bagpipers, and community groups proceeding through Manhattan.
-
C.
Belmont, Massachusetts, United States
Belmont, Massachusetts, United States, is a suburban town just west of Boston known for its affluent residential character and strong public schools.
-
D.
Port of Boston
The Port of Boston is a major New England seaport and transportation hub handling cargo, cruise ships, and maritime commerce for the Boston metropolitan area.
-
E.
Boston Consortium
The Boston Consortium is a collaborative association of leading higher education institutions in the Boston area that work together to share resources and improve academic and administrative effectiveness.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
annual sporting event
ⓘ
marathon ⓘ road running race ⓘ |
| abbreviation |
Boston Marathon
self-linksurface differs
ⓘ
surface form:
BAA Boston Marathon
|
| allows | charity runners without qualifying times ⓘ |
| attracts |
amateur runners
ⓘ
elite runners ⓘ |
| broadcastOn |
online streaming platforms
ⓘ
television ⓘ |
| charityImpact | raises tens of millions of dollars annually for charities ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| courseCertification | certified by USA Track & Field ⓘ |
| courseType | point-to-point course ⓘ |
| distance |
26.2 miles
ⓘ
42.195 kilometres ⓘ |
| economicImpact | major tourism and economic impact on Greater Boston ⓘ |
| fieldSize | tens of thousands of participants ⓘ |
| finishLocation |
Boylston Street, Boston
ⓘ
Copley Square, Boston ⓘ |
| firstOfficialWomenRace | 1972 ⓘ |
| firstWheelchairDivision | 1975 ⓘ |
| genderInclusion |
men
ⓘ
non-binary category (introduced 2023) ⓘ women ⓘ |
| hasHashtag | #BostonMarathon ⓘ |
| hasReputation | one of the most prestigious marathons ⓘ |
| inception | 1897 ⓘ |
| isOldest | world’s oldest annual marathon ⓘ |
| location |
Boston, Massachusetts
ⓘ
surface form:
Boston
Massachusetts ⓘ |
| notableFeature |
Heartbreak Hill
ⓘ
Oak Hill, Newton ⓘ
surface form:
Newton Hills
|
| notableIncident | 2013 Boston Marathon bombing ⓘ |
| occursOn | Patriots’ Day ⓘ |
| organizer | Boston Athletic Association ⓘ |
| paraAthleticsDivision | para athletes divisions ⓘ |
| partOf | World Marathon Majors ⓘ |
| qualificationRequirement | time-based qualifying standards for most entrants ⓘ |
| securityChangesAfter | enhanced security measures after 2013 bombing ⓘ |
| spectators | hundreds of thousands of spectators along the course ⓘ |
| sport | long-distance running ⓘ |
| startLocation | Hopkinton, Massachusetts ⓘ |
| timeZone | Eastern Time Zone ⓘ |
| typicalDate | third Monday in April ⓘ |
| typicalStartTime | morning local time ⓘ |
| wheelchairDivision |
men’s wheelchair race
ⓘ
women’s wheelchair race ⓘ |
| worldAthleticsLabel | World Athletics Platinum Label road race ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Boston Marathon Description of subject: The Boston Marathon is the world’s oldest annual marathon and one of the most prestigious long-distance running races, attracting elite and amateur runners from around the globe each Patriots’ Day.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
BAA Boston Marathon
this entity surface form:
Boston Marathon elite athlete program
this entity surface form:
Boston Marathon route
this entity surface form:
Boston Marathon course in Newton
this entity surface form:
Boston Marathon route
subject surface form:
Tom Fleming (runner)
this entity surface form:
1952 Boston Marathon