Trail Running Calendar London 2026-2027

We have found 19 Trailruns in London. Check below where and when you can find the races.

Experience a fast and flat riverside race along the Thames Path trail with 10km, half marathon, and marathon options starting in Barnes. Enjoy a scenic out and back course featuring well stocked aid stations and full medical support.

May 2026

Event Overview The Thames Path 100 (TP100) is a 100-mile point-to-point continuous trail race. The course follows the Thames Path from Richmond in south-west London to the city centre of Oxford. This is the 15th annual edition of the race...

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Run For Your Life on 2 May 2026 at Parliament Hill, Hampstead Heath offers 10 km, 5 km and a 2 km Fun Run on scenic trails past Kenwood House. Managed starts and medals welcome all while proceeds support Jubilee Hall Trust.

Experience a scenic 26.2 mile marathon consisting of three laps through the historic Richmond Park. Enjoy well supported trail running with regular drink stations and a festive atmosphere near Sheen Gate.

Experience the greenest borough of London with a 50K ultra or 25K trail run through Ealing. Navigate scenic canal paths and parks on this mixed terrain course featuring live tracking and aid station support.

Experience a unique point to point 50 km journey from the heart of South London to the rural lanes of Kent. This inclusive ultramarathon features well stocked aid stations and a scenic transition from city streets to countryside.

June 2026

Discover a different side of the capital with a choice of 55km or 25km trail runs along London’s Capital Ring footpath. Experience hidden trails and iconic sights like Richmond Park on these fully signed and supported routes.

The Shadwell 10K is a scenic multi-terrain race through local footpaths. Starting and finishing at the primary school, this event offers marshalled support and on-site facilities for runners aged 15 and over.

Experience a scenic trail run through the woods and fields of Trent Country Park with chip timed races for seniors, juniors, and children.

August 2026

Run along the scenic Vanguard Way on an undulating out and back course from Croydon through the North Downs. Choose between a full or half marathon and enjoy a route filled with historic landmarks and woodland trails.

Experience a flat and scenic out and back race along the historic Thames Path with marathon, half marathon, and 10km options starting from Richmond.

The Richmond Park Half and Full Marathon are on August 23, 2026, in Richmond Park. The course includes park trails and landmarks, with goody bags for finishers. This UK Athletics affiliated event has limited entries.

Experience a scenic run through the historic Richmond Park on this UK Athletics Affiliated course. Choose between a half or full marathon distance following the trails and private roads of London’s largest Royal Park.

Experience a scenic trail run entirely within the beautiful grounds of Richmond Park. Choose between a half marathon or full marathon distance featuring lake views and wooded paths through this historic Royal Park.

September 2026

Walk, jog, or run along England's greatest river from Putney Bridge to Henley-on-Thames in September 2026. Choose from distances including 100 km, 50 km, or a 10K, with full support and multiple start options. It's a scenic Thames Towpath c..

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October 2026

Take on the Epping Forest 50 KM 2026, a scenic 50 km trail challenge through ancient woods on 3 October 2026. Enjoy varied terrain, fresh air and a memorable run just outside London.

Experience a flat and fast riverside trail race along the scenic Thames Path in Richmond. Choose from 10km, half marathon, or marathon distances on a well marshalled out and back course.

November 2026

Run for a cause at the MoRun London in Richmond Park. Choose from a 1.5k, 5k, 10k, or half marathon on a scenic, chip-timed course. Every finisher gets a medal while supporting men's health charity Movember.

Experience a scenic 10k run through the streets of Kingston and along the river towpath. This chip timed event starts and finishes at the Hawker Centre and features a finisher medal plus a post race goodie bag for all runners.