Ultra-Trail du Mont-Blanc
E69033
The Ultra-Trail du Mont-Blanc is one of the world’s most prestigious and challenging mountain ultramarathons, circling the Mont Blanc massif through France, Italy, and Switzerland.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Ultra-Trail du Mont-Blanc canonical | 13 |
| UTMB Mont-Blanc week | 2 |
| UTMB Mont-Blanc festival of trail running | 1 |
| Ultra-Trail du Mont-Blanc (UTMB) | 1 |
| Ultra-Trail du Mont-Blanc week | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T549030 — 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: Ultra-Trail du Mont-Blanc Context triple: [Chamonix, notableEvent, Ultra-Trail du Mont-Blanc]
-
A.
Haute Randonnée Pyrénéenne
Haute Randonnée Pyrénéenne is a challenging long-distance hiking route that follows a high-level, often remote line along the crest of the Pyrenees from the Atlantic to the Mediterranean.
-
B.
Basel–Saint-Louis crossing
The Basel–Saint-Louis crossing is a major road and rail border checkpoint linking the Swiss city of Basel with the French town of Saint-Louis in the tri-border region of Switzerland, France, and Germany.
-
C.
Giro d'Italia
The Giro d'Italia is one of cycling's three Grand Tours, a prestigious multi-week stage race held annually across Italy and renowned for its challenging mountain routes and iconic pink leader's jersey.
-
D.
Ben Nevis Race
The Ben Nevis Race is a famous annual mountain running event in Scotland in which competitors race from the town of Fort William to the summit of Ben Nevis and back.
-
E.
Modane
Modane is a French Alpine town in the Savoie department known as a key transit point through the Fréjus Road and Rail Tunnels between France and Italy.
- 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: Ultra-Trail du Mont-Blanc Target entity description: The Ultra-Trail du Mont-Blanc is one of the world’s most prestigious and challenging mountain ultramarathons, circling the Mont Blanc massif through France, Italy, and Switzerland.
-
A.
Haute Randonnée Pyrénéenne
Haute Randonnée Pyrénéenne is a challenging long-distance hiking route that follows a high-level, often remote line along the crest of the Pyrenees from the Atlantic to the Mediterranean.
-
B.
Basel–Saint-Louis crossing
The Basel–Saint-Louis crossing is a major road and rail border checkpoint linking the Swiss city of Basel with the French town of Saint-Louis in the tri-border region of Switzerland, France, and Germany.
-
C.
Giro d'Italia
The Giro d'Italia is one of cycling's three Grand Tours, a prestigious multi-week stage race held annually across Italy and renowned for its challenging mountain routes and iconic pink leader's jersey.
-
D.
Ben Nevis Race
The Ben Nevis Race is a famous annual mountain running event in Scotland in which competitors race from the town of Fort William to the summit of Ben Nevis and back.
-
E.
Modane
Modane is a French Alpine town in the Savoie department known as a key transit point through the Fréjus Road and Rail Tunnels between France and Italy.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
endurance sports event
ⓘ
trail running race ⓘ ultramarathon ⓘ |
| coFounder |
Catherine Poletti
ⓘ
Jean-Claude Marmier ⓘ Michel Poletti ⓘ |
| countryTraversed |
France
ⓘ
Italy ⓘ Switzerland ⓘ |
| distance | approximately 170 km ⓘ |
| elevationGain | approximately 10000 m ⓘ |
| firstHeld | 2003 ⓘ |
| follows |
Tour du Mont Blanc
ⓘ
surface form:
Tour du Mont Blanc hiking route
|
| frequency | annual ⓘ |
| hasAssociatedRace |
CCC
ⓘ
MCC ⓘ OCC ⓘ PTL ⓘ TDS ⓘ YCC ⓘ |
| hasCategory |
men
ⓘ
veterans ⓘ women ⓘ |
| locatedIn |
Chamonix
ⓘ
surface form:
Chamonix-Mont-Blanc
Mont Blanc massif ⓘ
surface form:
Mont Blanc massif region
|
| mainFinishLocation | Chamonix ⓘ |
| mainStartLocation | Chamonix ⓘ |
| notableFeature |
high mountain passes
ⓘ
night running sections ⓘ variable alpine weather ⓘ |
| organisedBy |
UTMB
ⓘ
surface form:
UTMB Group
|
| participantType |
amateur ultrarunners
ⓘ
elite trail runners ⓘ |
| passesNear |
Champex-Lac
ⓘ
Courmayeur ⓘ |
| qualificationSystem | points-based qualification from other races ⓘ |
| reputation |
one of the most challenging mountain ultramarathons
ⓘ
one of the most prestigious ultramarathons in the world ⓘ |
| routeType | loop ⓘ |
| shortName | UTMB ⓘ |
| sport |
trail running
ⓘ
ultrarunning ⓘ |
| startTime | evening start ⓘ |
| startTown | Chamonix ⓘ |
| surface | mixed trail and mountain paths ⓘ |
| terrain |
alpine paths
ⓘ
mountain trails ⓘ |
| timeLimit | approximately 46 hours ⓘ |
| typicalMonthHeld | August ⓘ |
| website | https://utmb.world ⓘ |
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: Ultra-Trail du Mont-Blanc Description of subject: The Ultra-Trail du Mont-Blanc is one of the world’s most prestigious and challenging mountain ultramarathons, circling the Mont Blanc massif through France, Italy, and Switzerland.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
UTMB Mont-Blanc week
this entity surface form:
Ultra-Trail du Mont-Blanc week
this entity surface form:
UTMB Mont-Blanc week
this entity surface form:
UTMB Mont-Blanc festival of trail running
this entity surface form:
Ultra-Trail du Mont-Blanc (UTMB)