Trail Running calendar near Layer de la Haye 2026-2027

A running festival at Haughley Park, Suffolk with looped courses through pathways and woodland, onsite parking, lap aid station and bespoke finisher medals. Distances range from 5k to ultra marathon.

Forest trail runs at High Lodge in Thetford Forest on 11 April 2027 with 5 km, 10 km and a new half marathon options. The chip timed event is fully supported and all finishers receive a medal, merchandise, snack and drink.

A 50K trail ultra on the Chiltern Hills ridgeline from Berkhamsted Castle to Hampden Meadow, passing Ashridge and Ivinghoe Beacon. Fully marked course with three aid stations and a nine hour time limit.

Windsor 50 offers looped 50 km, 25 km and 10 km routes from Windsor Racecourse through the Great Park, Runnymede and the Thames Path. The event provides signed routes, rest stops, medical and massage teams, GPS tracking, and finisher awards..

A guided *42.2 km* trail marathon through the Chiltern Hills, led by qualified run leaders. The route uses the Ridgeway and Wendover Woods, with checkpoints, refreshments, bag drop and a wooden finisher’s medal included.

Three town races across a Bank Holiday weekend in West Sussex offering 10 mile, 10k, mile and fun runs plus marathon and triple mile combos. A virtual marathon runs between 17 April and 3 May 2027.

A scenic *10 km* trail race on Sunday 18 April 2027 around the Nene Valley, starting and finishing at KC Active in Kings Cliffe. The circular, waymarked route uses farm tracks and disused railway lines and features a staffed aid station.

Ibstone Circle on 18 April 2027 offers multi-terrain 5 km and 10 km routes through Wormsley Estate plus a Run in Colour for children aged 4 to 11. Fees vary by age and affiliation.

An inflatable obstacle-course event in St Albans on 24 April 2027 offering 2.5k to 15k options, giant inflatables, five music zones, on-course hydration and a finisher's medal.

An alternative to the London Marathon at Walton on Thames featuring a UKA certified 3.28 mile lap. Options include full and half marathon or a seven hour timed event, with a 150 mm finish medal for participants.

A multi-distance road event at Suffolk Running Centre on 25 April 2027 offering 5k, 10k, half and full marathon on officially measured scenic routes with aid stations, parking and a bespoke finisher medal.

A 100 mile trail race along the Thames Path from Richmond to Oxford on 1 May 2027, with 1900 ft of climb, a 30 hour cut off and a minimum of twelve aid stations. Entries require a qualifying 50 mile finish within 15 hours.

A guided 30 mile trail run near Guildford on 1 May 2027 that follows sections of the North Downs Way and the Greensand Way. It is presented as a first taste of ultra running with on route guidance and a possible post run alcohol free beer.

Rapid Relays at Culden Faw Estate in Henley on Thames is a four hour relay event on 4 km mixed terrain loops, with solo, pairs and team options, a race village and free overnight camping.

A four leg stage trail relay along the Roach Valley Way covering 23 miles in total. Teams of four navigate by maps and way markers while proceeds support Havens Hospices.

A guided 12.5 mile trail run around Box Hill that gains about 1000 metres of elevation across woodland, heathland and open fields. Group pace with technical climbs and scrambling and a chance of an alcohol free beer at the finish.

A 5 km Pretty Muddy obstacle course at Norfolk Showground with a mix of paths and grass, staggered wave starts every 15 minutes and an age limit of 13 and over. The event supports fundraising for Cancer Research UK.

A two-day, self-supported navigation and endurance event for teams of two in the Surrey Hills, based at Newlands Corner with limited entries, basic camping and an entry fee that includes maps and a t-shirt.

A point-to-point 50 km ultramarathon from Horsham to Brighton seafront on 8 May 2027, with mixed trails, four feed stations, full course signing and individual or two-person relay entry options.

A muddy obstacle course at the Secret Nuclear Bunker Estate in Essex, Nuclear Rush offers 6 km and 12 km routes with dozens of obstacles, chip timing, signature features like the Deathslide, and family race options.