London 100
Below are the key details about the running event along with a Google map & search link. Spot any mistakes or missing info? Use the 'Report' button below.
- When
- 12 Jun 2027
- Distances
- 25K, 50K, 100K
- Location
- Pimlico, England
- Terrain
- Trail
- Event website
- https://www.london100km.com
About London 100
London 100 takes ultramarathon running into the heart of the capital, offering competitors three distance options across a trail-based urban course. Participants can choose to race 25 km, 50 km or 100 km, with routes designed to pass more than 100 of London's landmarks as they explore the city's north, south, east and west areas. The event is centred at the Mornington Hotel in central Westminster and takes place on 12 June 2027.
The course divides into four 25 km sections, with checkpoints positioned at the start and midpoint of each leg. Water, snacks and fruit are available at these support points. Time limits apply to each distance, and the fastest finishers are recognised through a Top 100 list and medals. Training resources and a 100 km preparation plan are available to help participants prepare.
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