2021 Grand National
E681879
The 2021 Grand National was a historic running of Britain’s most famous steeplechase in which Rachael Blackmore became the first female jockey to win the race.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 2021 Grand National canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7690953 — 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: 2021 Grand National Context triple: [Rachael Blackmore, won, 2021 Grand National]
-
A.
Midlands Grand National
The Midlands Grand National is a long-distance steeplechase horse race in England, known for its demanding stamina test and place in the National Hunt racing calendar.
-
B.
Welsh Grand National
The Welsh Grand National is a prestigious long-distance steeplechase horse race run annually in Wales, forming part of the United Kingdom’s major National Hunt racing calendar.
-
C.
Scottish Grand National
The Scottish Grand National is a prestigious annual National Hunt steeplechase held at Ayr Racecourse in Scotland, regarded as one of the most important long-distance handicap chases in British horse racing.
-
D.
Irish Grand National
The Irish Grand National is a prestigious annual steeplechase horse race run over a long distance at Fairyhouse Racecourse, regarded as one of Ireland’s most important National Hunt events.
-
E.
Cheltenham Festival
The Cheltenham Festival is a premier annual National Hunt horse racing meeting in the United Kingdom, renowned for its top-class jump races, large crowds, and central place in the British and Irish racing calendar.
- 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: 2021 Grand National Target entity description: The 2021 Grand National was a historic running of Britain’s most famous steeplechase in which Rachael Blackmore became the first female jockey to win the race.
-
A.
Midlands Grand National
The Midlands Grand National is a long-distance steeplechase horse race in England, known for its demanding stamina test and place in the National Hunt racing calendar.
-
B.
Welsh Grand National
The Welsh Grand National is a prestigious long-distance steeplechase horse race run annually in Wales, forming part of the United Kingdom’s major National Hunt racing calendar.
-
C.
Scottish Grand National
The Scottish Grand National is a prestigious annual National Hunt steeplechase held at Ayr Racecourse in Scotland, regarded as one of the most important long-distance handicap chases in British horse racing.
-
D.
Irish Grand National
The Irish Grand National is a prestigious annual steeplechase horse race run over a long distance at Fairyhouse Racecourse, regarded as one of Ireland’s most important National Hunt events.
-
E.
Cheltenham Festival
The Cheltenham Festival is a premier annual National Hunt horse racing meeting in the United Kingdom, renowned for its top-class jump races, large crowds, and central place in the British and Irish racing calendar.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Grand National
ⓘ
horse race ⓘ sporting event ⓘ |
| attendance | 0 ⓘ |
| attendanceNote | held behind closed doors due to COVID-19 pandemic ⓘ |
| broadcastOn |
ITV
NERFINISHED
ⓘ
Racing TV NERFINISHED ⓘ |
| city | Liverpool NERFINISHED ⓘ |
| country | United Kingdom ⓘ |
| countryOfWinningHorse | Ireland NERFINISHED ⓘ |
| countryOfWinningJockey | Ireland NERFINISHED ⓘ |
| countryOfWinningTrainer | Ireland NERFINISHED ⓘ |
| courseFeature | 30 fences jumped over two circuits ⓘ |
| currencyOfPrizeMoney | GBP NERFINISHED ⓘ |
| date | 2021-04-10 ⓘ |
| distance |
about 4 miles 2½ furlongs
ⓘ
approximately 6.9 kilometres ⓘ |
| editionNumber | 173rd running of the Grand National ⓘ |
| followedBy | 2022 Grand National NERFINISHED ⓘ |
| follows | cancellation of 2020 Grand National ⓘ |
| fourthPlaceHorse | Burrows Saint NERFINISHED ⓘ |
| governingBody | Jockey Club Racecourses NERFINISHED ⓘ |
| grade | Grade 3 handicap chase ⓘ |
| location | Aintree Racecourse NERFINISHED ⓘ |
| notableFor |
Rachael Blackmore becoming first female jockey to win the race
ⓘ
first Grand National win by a female jockey ⓘ |
| numberOfFinishers | 15 ⓘ |
| numberOfRunners | 40 ⓘ |
| officialName | Randox Grand National NERFINISHED ⓘ |
| organiser | Aintree Racecourse NERFINISHED ⓘ |
| partOf | Grand National Festival NERFINISHED ⓘ |
| precededBy | 2019 Grand National NERFINISHED ⓘ |
| raceType | steeplechase ⓘ |
| runnerUpHorse | Balko Des Flos NERFINISHED ⓘ |
| sponsor | Randox Health NERFINISHED ⓘ |
| sport | horse racing ⓘ |
| startingPriceOfWinner | 11/1 ⓘ |
| surface | turf ⓘ |
| thirdPlaceHorse | Any Second Now NERFINISHED ⓘ |
| tookPlaceDuring | COVID-19 pandemic ⓘ |
| tookPlaceIn | England NERFINISHED ⓘ |
| winner | Minella Times NERFINISHED ⓘ |
| winningHorse | Minella Times NERFINISHED ⓘ |
| winningJockey | Rachael Blackmore NERFINISHED ⓘ |
| winningOwner | J. P. McManus NERFINISHED ⓘ |
| winningTrainer | Henry de Bromhead NERFINISHED ⓘ |
| year | 2021 ⓘ |
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: 2021 Grand National Description of subject: The 2021 Grand National was a historic running of Britain’s most famous steeplechase in which Rachael Blackmore became the first female jockey to win the race.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.