London 100 25K
- When
- Sat, May 9, 2026, 12:00 AM
- Where
- London, GB
- Distances
- Marathon · Ultra Marathon
- Terrain
- ROAD
- Elevation gain
- 935 m
- Typical weather
- Mild
- Organizer
- Camino Ultra
About
The 25 km race at the London 100 takes place on Saturday 9 May 2026 in central London, UK, starting and ending at the Queen Mother Sports Centre in Pimlico. It offers a shorter, city-focused ultra experience that still tackles notable landmarks and riverfront stretches throughout the capital.