Trail Running calendar near London 2026-2027

A 50 km ultramarathon along the River Medway from Rochester to Tonbridge, the event follows towpaths and trails, passes three medieval castles and has three staffed aid stations and a lap finish on the Tonbridge athletics track.

A point-to-point 30 km trail along the River Medway from Little Fant Farm to Tonbridge, part of the Three Castles weekend. Flat and scenic with checkpoints, GPS tracking, an athletics track finish and an 8-hour cut-off.

A 60 km point-to-point ultramarathon along the first section of The Ridgeway National Trail, starting at Ivinghoe Beacon and finishing near Wallingford. The race has four checkpoints, open tracking, a 10 hour limit and a 150 runner cap.

A multi-format track event in Twickenham on 30 May 2026 featuring ten-repeat formats at 400 m and 800 m, with solo and team entry options and age restriction of 18 and over.

A Pretty Muddy 5k obstacle event at Royal Windsor Racecourse on 30 May 2026, featuring muddy obstacles to climb, crawl and slide. Participants must be 13 or older; there is a minimum fundraising target and on-site support and facilities.

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 mixed terrain half marathon and 10k in England on 30th May 2026. Routes mix quiet country roads and off road sections, and the event raises money for local good causes.

A track running event at Wodson Park on 31 May 2026 with distances from 5k to a six hour challenge. Chip timing, aid stations, a bespoke medal and limited entries are provided.

Races at Southampton Common include Half Marathon, 10k, 5k and a junior race on a multi-lap course through woodland, wetlands and parkland, with kilometre markers, marshals and an event village offering food and partner giveaways.

A point to point 50 km ultramarathon on 31 May 2026 from Peckham in London to East Peckham in Kent. The route moves from urban streets into rural lanes and includes aid stations, volunteers and clear course marking.

A 5k, 10k and junior race at Sixfields Stadium in Northampton on Sunday 31 May 2026. The start and finish are inside the stadium and the route continues on closed roads around the town.

Charity 3k and 5k runs at Dunorlan Park on 31 May 2026, for ages 16 and over; mixed-terrain course with lakeside start and basic onsite facilities.

A four-round trail series on footpaths, fields, woods and some roads held across June to September. All four rounds count toward individual championship scores, with timed results, navigational questions, and t-shirts for those who complete..

A guided 13 mile trail run around the Surrey Hills starting and finishing in Guildford, with routes that include St Martha's Church, Shere and sections of the North Downs Way. Weekend dates and a midsummer evening option are available.

A six hour lap based event from Braybrooke Taproom on well surfaced trails along the Griffin Trail and Brampton Valley Way, with free parking, onsite toilets and a taproom for post run refreshments.

A timed riverside event on a 5.3 km out and back Thames course where runners choose how many laps to complete within a seven hour limit. Ten pound entry supports the Rays of Sunshine charity and a double sided medal is awarded.

The Sundowner Trail Marathon on 6 June 2026 is an evening 27 mile trail through saltmarsh, canal towpaths, vineyards and forests. Limited to 50 runners, this intimate race offers checkpoints, a finish memento and a bespoke local beer.

A backyard ultra at High Lodge Thetford Forest where runners complete 4.167 mile laps every hour until one remains. The event has open ended, 6 hour and 12 hour options, chip timing and a £1000 prize for the overall winner.

A 24-hour relay at Wasing Park, Reading on 6–7 June 2026 with Solo, Pair, and Team entries on an 8 km trail lap, event camping and an event village, plus charity entry options and tiered team pricing.

A sold out Backyard Ultra at Chilton Manor Farm near Chilton Candover, Hampshire. Runners repeat a 4.16666 mile loop each hour until the last runner completes a lap.