Trail Running calendar near Boughton-under-Blean 2026-2027

A guided trail half marathon around the Surrey Hills, about 13 miles from St Martha's Hill in Guildford, following parts of the North Downs Way and notable viewpoints. The run is social in format with a guided pace and evening options.

Seven consecutive days of timed running on certified out and back routes along the River Thames in Walton on Thames. Distances from 5 km to ultra are available and finishers earn daily mementos plus a seven day lantern medal set.

A single loop 50 km trail race around Arundel and the South Downs with about 3,200 ft of ascent, four aid stations, live GPS tracking and chip timing on a fully marked course through predominantly trail terrain.

Trail races of 5 km, 13 km and a 21 km half marathon set in Stanmer Park and the South Downs Way, featuring chalk downland, woodland tracks, marked fuel outposts and significant climbs including the ascent to Ditchling Beacon.

A night running challenge at Hyde Hall Farm offering twelve hour or six hour shifts under the stars. Head torches are required and hot drinks plus an aid station are provided with a medal for every finisher.

A 42km trail to road marathon from Stanmer Park across the South Downs with 902 m of ascent. The route climbs Ditchling Beacon before joining the Brighton Marathon for the final 6 km into the finish on Hove Lawns.

A 50 mile point-to-point race along the South Downs Way from Worthing to Eastbourne, featuring about 5,700 ft of climb, seven staffed aid stations, mandatory kit checks and a 13 hour finish limit.

The 50 Mile Grand Slam 2027 combines four Centurion Running 50 Mile events across the year on different trails. Entry requires a minimum age of 20 and is managed through SiEntries, with an optional XCover refund product.

A round of the Kent Backyard Ultra Series at Lillyroo’s Glamping near Deal, run on a flat 4.167 mile coastal loop. The event offers the open-ended Backyard Ultra format plus a separate 7 Hour Challenge and on-site camping and food.

Races on the Thames Path at Wraysbury Skiff & Punting Club in Runnymede offering Marathon, Half Marathon and 10 km courses with marked turnaround points and stocked checkpoints.

Haughley Festival of Running at Haughley Park, Suffolk offers 5k, 10k, half, marathon and ultra distances over pathways and some trails, with on-site parking, an aid station and event medals.

A trail weekend at Cowdray Estate, West Sussex offering five distances from 12 km to 110 km, low technical difficulty, an event village with expo, and optional camping and race support.

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.

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 single entry that covers four Centurion 100 mile races held between 1 May and 17 October 2027. Minimum age 20, published fees apply and optional XCover insurance is available.

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.

Three towns host races across a Bank Holiday weekend in 2027, with combined results forming the Mid Sussex Marathon. Distances include 10 mile, 10k, a chip timed mile and a family fun run, plus virtual and combo marathon options.