Trail running races in Greater London, England
Find trail running races in Greater London, England. Compare 6 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Upcoming running events include half marathons, 100K races and 25K races.
Events to explore include One by the Canal — Grand Union Trail Half Marathon, Phoenix Crystal Palace — Alice in Runderland and Wimbledon Common Trail Half Marathon & 10K.
8 listed events · 6 with upcoming dates
Upcoming trail running races
6 matching events, earliest date first. Entry availability is shown separately.
One by the Canal — Grand Union Trail Half Marathon
ENGUxbridge, Greater London
One by the Canal Half Marathon — Uxbridge to Watford.
· Half marathon
Race details, entry and past editions →Entry information ↗Phoenix Crystal Palace — Alice in Runderland
ENGLondon, Greater London
Phoenix Alice in Runderland — Crystal Palace Park, London.
· Half marathon
Race details, entry and past editions →Entry information ↗Wimbledon Common Trail Half Marathon & 10K
ENGLondon, Greater London
Wimbledon Common Trail Half Marathon & 10K — marked trail races in south-west London.
· Half marathon
Race details, entry and past editions →Entry information ↗Centurion Thames Path 100
ENGLondon, Greater London
Centurion Thames Path 100 — a verified UTMB Index race for the 2026 edition.
· 100mi
Race details, entry and past editions →London 2 Brighton Ultra Challenge
ENGRichmond, Greater London
London 2 Brighton Ultra Challenge in Richmond.
· 100K / 25K / 33K / 42K / 58K / 75K
Race details, entry and past editions →MTC Richmond Ultra
ENGKingston upon Thames, Greater London
MTC Richmond Ultra in Kingston upon Thames.
· 33mi
Race details, entry and past editions →Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
London Winter Walk
ENGLondon, Greater London
London Winter Walk — a verified UTMB Index race for the 2026 edition.
Next date not listed
Race guide and recorded editions →Thames Meander Autumn
ENGRichmond upon Thames, Greater London
Thames Meander Autumn Marathon — Richmond and Barnes, London.
Next date not listed
Race guide and recorded editions →Choosing a race in Greater London
The unfiltered upcoming calendar includes events in London (3), Kingston upon Thames (1), Richmond (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about trail running races in Greater London
Which trail running races are coming up in Greater London, England?
One by the Canal — Grand Union Trail Half Marathon is listed for 8 November 2026. Phoenix Crystal Palace — Alice in Runderland is listed for 27 December 2026. Wimbledon Common Trail Half Marathon & 10K is listed for 4 April 2027. Check the race guide and organiser’s latest information before making plans.
What running distances are listed in Greater London, England?
Look for half marathons, 100K races and 25K races in the upcoming listings. If an event offers several distances, check the individual race guide to choose the edition and distance you want to enter.
Where can I find race entry details for Greater London, England?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.