4×100 metre freestyle relay
E271822
The 4×100 metre freestyle relay is a competitive swimming event in which teams of four swimmers each swim 100 metres freestyle in succession, with the fastest combined time determining the winner.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 1964 Summer Olympics 4×100 m freestyle relay | 1 |
| 4×100 m freestyle relay | 1 |
| 4×100 metre freestyle relay canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2504582 — 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: 4×100 metre freestyle relay Context triple: [Mark Spitz won seven gold medals in swimming, includesEvent, 4×100 metre freestyle relay]
-
A.
4 × 800 metres relay
The 4 × 800 metres relay is a track event in which teams of four athletes each run an 800-metre leg in sequence, combining middle-distance speed and endurance in a relay format.
-
B.
4 × 400 metres relay at the 1924 Summer Olympics
The 4 × 400 metres relay at the 1924 Summer Olympics was a track event in which national teams of four runners each completed a 400-metre leg, contributing to one of the Games’ premier sprint relay competitions.
-
C.
World Aquatics Championships 2017
The World Aquatics Championships 2017 was a major international aquatics competition featuring swimming, diving, water polo, synchronized swimming, and open water events contested by athletes from around the world.
-
D.
World Aquatics Championships 2022
The World Aquatics Championships 2022 was a major international aquatics competition featuring swimming, diving, water polo, artistic swimming, open water swimming, and high diving contested by athletes from around the globe.
-
E.
Summer Eights
Summer Eights is a major annual bumps rowing regatta held on the River Thames at Oxford, featuring college crews competing over several days.
- 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: 4×100 metre freestyle relay Target entity description: The 4×100 metre freestyle relay is a competitive swimming event in which teams of four swimmers each swim 100 metres freestyle in succession, with the fastest combined time determining the winner.
-
A.
4 × 800 metres relay
The 4 × 800 metres relay is a track event in which teams of four athletes each run an 800-metre leg in sequence, combining middle-distance speed and endurance in a relay format.
-
B.
4 × 400 metres relay at the 1924 Summer Olympics
The 4 × 400 metres relay at the 1924 Summer Olympics was a track event in which national teams of four runners each completed a 400-metre leg, contributing to one of the Games’ premier sprint relay competitions.
-
C.
World Aquatics Championships 2017
The World Aquatics Championships 2017 was a major international aquatics competition featuring swimming, diving, water polo, synchronized swimming, and open water events contested by athletes from around the world.
-
D.
World Aquatics Championships 2022
The World Aquatics Championships 2022 was a major international aquatics competition featuring swimming, diving, water polo, artistic swimming, open water swimming, and high diving contested by athletes from around the globe.
-
E.
Summer Eights
Summer Eights is a major annual bumps rowing regatta held on the River Thames at Oxford, featuring college crews competing over several days.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
freestyle swimming event
ⓘ
swimming relay event ⓘ team sport discipline ⓘ |
| changeoverRule | next swimmer must start after previous swimmer touches wall ⓘ |
| competitionFormat | relay ⓘ |
| disqualificationReason |
early takeoff before previous swimmer touches
ⓘ
improper stroke or turn ⓘ |
| distancePerSwimmer | 100 metres ⓘ |
| equipment |
goggles
ⓘ
swim cap ⓘ swimsuit ⓘ |
| featuredInCompetition |
Commonwealth Games swimming programme
ⓘ
European Aquatics Championships ⓘ Olympic Games swimming programme ⓘ Pan Pacific Swimming Championships ⓘ World Aquatics Championships ⓘ |
| firstLegCharacteristic |
must start from a stationary position
ⓘ
time can be used as an official 100 m freestyle split ⓘ |
| governingBody |
International Olympic Committee
ⓘ
World Aquatics ⓘ |
| hasGenderCategory |
men's 4×100 metre freestyle relay
ⓘ
mixed 4×100 metre freestyle relay ⓘ women's 4×100 metre freestyle relay ⓘ |
| laneAssignment | based on seed times ⓘ |
| laneCount | typically 8 lanes in major competitions ⓘ |
| leadOffLegStart | from starting blocks ⓘ |
| numberOfSwimmersPerTeam | 4 ⓘ |
| objective | complete 400 metres in the shortest possible time ⓘ |
| olympicEventSince |
men: 1964 Summer Olympics
ⓘ
women: 1996 Summer Olympics ⓘ |
| poolLengthStandard |
25-metre short course
ⓘ
50-metre long course ⓘ |
| raceStructure | heats and final in major championships ⓘ |
| relayTakeoffRule | feet must remain in contact with block until previous swimmer touches ⓘ |
| sport | swimming ⓘ |
| strategyElement | ordering swimmers by speed and start ability ⓘ |
| strokeType | freestyle ⓘ |
| subsequentLegStart | relay takeoff from poolside ⓘ |
| teamComposition | four swimmers in succession ⓘ |
| timingMethod | electronic touchpads ⓘ |
| timingUnit | hundredths of a second ⓘ |
| totalDistance | 400 metres ⓘ |
| typicalOrder | lead-off swimmer followed by three relay legs ⓘ |
| usedIn |
national swimming championships
ⓘ
university and high school swimming meets ⓘ |
| winnerDetermination | fastest combined time ⓘ |
| worldRecordMaintainedBy | World Aquatics ⓘ |
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: 4×100 metre freestyle relay Description of subject: The 4×100 metre freestyle relay is a competitive swimming event in which teams of four swimmers each swim 100 metres freestyle in succession, with the fastest combined time determining the winner.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 4×100 metre freestyle relay
linked to: 4×100 metre freestyle relay