Sat 10 May 2025
London, UK
London 100 Ultra Marathon
London 100 is Central London's urban-ultra and ONLY 100km run.
3 races
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.
Event details
- All fitness levels
- Event village
- Newcomers
- Spectators
Races at event
- Sat 10 May
- #1 of 3
Queen Mother Sports Centre, London
25K
09:00
Age 18 & over
£59
- 25 km trail running
- Sat 10 May
- #2 of 3
Queen Mother Sports Centre, London
50K
07:00
Age 18 & over
£89
- 50 km trail running
- Sat 10 May
- #3 of 3
Queen Mother Sports Centre, London
100K
07:00
Age 18 & over
£129
- 100 km trail running