Trail Running Calendar London 2026-2027

Part of the East London fiVe Interclub Series, this Dagenham club race covers about 5 miles at Eastbrook End Country Park on 20 May and records both individual and team results as part of the ELVIS season.

A long distance trail challenge from Richmond upon Thames to the Brighton coast with routes from 100 km to shorter distances. The event features marked trails, GPS tracking, staffed rest stops with food and medical support and camping optio..

A 5k obstacle event at Clapham Common where participants climb, crawl and slide across grass, gravel and tarmac in staggered wave starts; facilities include toilets, refreshments and a bag drop, and the event requires a minimum fundraising..

A trail marathon in Richmond Park covering 26.2 miles over three laps with start and finish near Sheen Gate. The route is waymarked and supported by drink stations, chip timing, medical cover, marshals and a baggage area.

A trail run and walk through Ealing's parks, greenways and blueways offering 25k and 50k routes. Organised by the charity We Run Ealing, the event starts at Boston Manor Park, finishes at Dicken's Yard, and includes a medal.

A functional fitness race at Twickenham on 30 May 2026 combining ten set Xercises with running. Entries are Solo, Doubles or five-person Relays, with classic and double-distance options and a LITE weight division.

Timed 4.2 mile (6.7 km) laps run on the hour at Redbridge Cycling Centre on a 2 km tarmac loop. Competitors must finish each lap within the hour and the last runner standing is declared the winner.

A three-race Forest Five (mile) series at Jubilee Retreat on 6 June, 4 July and 1 August 2026, with single-race and discounted series entry, age-category aggregate trophies and a third-race ELVIS fixture with team prizes.

MacTuffX London on 13 June 2026 combines ten Xercises with ten runs, offered as 400m or 800m laps, with solo, doubles and relay entry options and a LITE weight division. Entrants must be 18 or older.

Beyond London on 20 June 2026 offers a fully signed trail event in London with a 55 km ultra and a 25 km route along the Capital Ring, GPX files, feed stations, chip timing and medical support.

Trail races in Trent Country Park, Enfield offering 2 km, 4.5 km and 10 km distances. The senior race is chip timed and run under UKA rules while junior and fun races have additional marshals.

A 5k obstacle event on Blackheath Common on 28 June 2026 organised by Cancer Research UK. Participants aged 13 and over tackle muddy obstacles at their own pace while supporting cancer research.

Race 2 of the Orion Harriers Forest Five series takes place on 04 July 2026 at Jubilee Retreat as part of a three-race series with age-category aggregate trophies and prizes for individual and team placings.

A 24-hour multi-terrain relay or solo race near RM13 with teams of 2 to 8, repeated 5.75 mile laps, free camping and on-site catering, showers and first aid. Entry fees are published from £89 to £110.

A mud obstacle *5k* inside Beckenham Place Park with grass and path terrain, steep sections and timed wave starts. Organised by Cancer Research UK, the event includes on-site facilities, marshal support and a minimum fundraising target.

City to Sea 2026 is a two-day running event in London on 25 and 26 July 2026 featuring an ultra marathon for individual age group entries. The start is at Station Approach SE1 8SW and the listed entry fee is USD 120.

MacTuffX London at Finsbury Park on 1 August 2026 combines ten Xercises with repeated runs in two distance formats. Solo, doubles and five-person relay entries are offered, with a LITE weight division and an 18 plus age requirement.

Third race of the Forest Five mile series on 1 August 2026, held as Orion Harriers' ELVIS fixture. The event awards individual and team trophies and offers a discounted series rate with age-category aggregate prizes.

Out and back marathon and a half marathon on part of the Vanguard Way near Croydon. Routes pass woodland, the North Downs and Greensand Ridge; the organiser provides race T shirts and post race goody bags.

A riverside race series from Barnes along the Thames Path offering 10 km, half marathon and marathon distances. Flat out and back courses are marked and marshalled with staffed checkpoints and professional medical cover.