London
Trail Running Calendar near London 2026-2027
Explore the top trail runs near London for 2026-2027! We've gathered 259 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
December 2026
A chip-timed half marathon (four laps, 187 m climb) and two-lap 10K around Richmond Park, with medal, free photos and an event village.
A full marathon run entirely inside the Croydon IKEA store, completed as multiple laps over 26.2 miles with a six hour cut off and limited to 100 runners.
A hilly off-road 5 mile trail race in Lesnes Abbey Woods with manual timing, a 90-minute cut-off, and awards for the first three men and women.
A relaxed, informal two lap running event called Second Sunday 5 at Richardson Evans Memorial Fields, Wimbledon Common on 13 December 2026, organised by Thames Hare & Hounds.
Join a festive Christmas run along the flat Jubilee River. Choose your own distance in this 6-hour timed event on a scenic towpath. All finishers receive a bespoke festive medal.
Dawn to dusk winter trail at Box Hill, Dorking with a 10.1 mile loop and 2,400 ft climb per lap. Runners may stop after any completed loop.
Trail races over 5K, 10K and a Half Marathon around Wimbledon Common with marked routes, chip timing, on-course marshals and an event village in Roehampton Vale.
A Boxing Day running event organised by Pitsea Running Club at Westley Heights Country Park on Saturday 26 December.
A seven hour Time Challenge on a signed Thames riverside loop where participants choose their distance and select a past event medal on finishing.
A looped trail event in Crystal Palace Park where runners complete 2.65 km laps within a 7 hour time limit. Distances range from 5 km to ultra and all participants receive a finishers' medal.
A 10 mile cross country race in Hainault Forest over three laps on tracks and grassland, with on-the-day entries, a two hour cut-off and prizes for men, women and veterans.
A low key multi-lap half and full marathon along the River Thames in Walton on Thames on 28 December 2026. The UKA certified flat towpath course awards medals to all finishers and has limited places.
January 2027
A 10.000 km trail race around Box Hill with steep climbs and scenic views, registration and parking at Denbies Vineyard. The event includes a kids fun run and a ladies race and uses a B Course around Denbies if Box Hill is unavailable.
A guided winter trail run of 10 km through Chilterns woodlands and hills, based at Church Farm Cafe in Aldbury with on site parking and bag drop.
An annual New Year five mile cross country in Penshurst village over rolling hills and woodland trails. Open to ages 10 and above with entry fees supporting Hospice in the Weald and awards across junior, local and canicross categories.
A long-running off-road and road race on Epsom Downs offering 10 mile and 10k options while raising funds for local charities.