London 100K

London 100K

Saturday, 9 May 2026

Pimlico, London, UK

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The London 100K on 9 May 2026 is Central London's urban ultra marathon and only 100km run.

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.

Based from an 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.

The event is organised by Camino Ultra in partnership with Participation Sport.

Organiser

Camino Ultra

Distances/Events

25K
50K Ultra
100K Ultra

Location map

The event HQ is Queen Mother Sports Centre, Pimlico. Refer to the event website for course maps.

Please note: the map location may be approximate. Refer to the event website for start lines and course maps.

Disclaimer

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This listing was last manually checked on 30 June 2025.

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