Sat 10 May 2025 London, UK
London 100 Ultra Marathon | 25K
London 100 is Central London's urban-ultra and ONLY 100km run.
- Sat 10 May 2025
Queen Mother Sports Centre, London
25K
09:00
Age 18 & over
£59
- 25 km trail running
Event overview
London 100 is Central London's ultramarathon. With 3 challenge distances (100km, 50km, and 25km), the event has distances for experienced ultramarathoners, and for those stepping up from marathons or half marathons. From a superb indoor Central London race HQ, four 25km routes explore north, south, east and west of the capital. Experience areas of London you never knew existed, discover the capital's hidden trails and enjoy the famous sights and landmarks of one of the world's greatest cities - all in one long run.
This event is part of London 100 Ultra Marathon.
Event details
- All fitness levels
- Event village
- Newcomers
- Spectators
Route
- Check points
- Cut off time
- First aid
What's included
- Medal
Entries
- Age 18 & over
- Entries open
- Enter online