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
  • Enter online
  • Event village
  • Newcomers

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

Other races at event

  • 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