Trail Running calendar near Chipping Ongar 2026-2027

A looped trail event at High Lodge Thetford Forest offering distances from 5k to ultra marathon, lap-based formats, on course aid at the lap point, medal options and refreshments at Oak Lodge. Part of entry fees support forest upkeep.

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 two lap multi terrain 10 km trail race on Easter Monday around Mortimer Fairground and local woodlands, with a canicross option, chip timing, medal and free race photos. The undulating course is not suitable for pushchairs or wheelchairs.

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.

A 40 or 50 mile trail ultra along the Testway from Linkenholt to Totton in Southampton, with aid stations every 10 miles, marshals and medical support. A shuttle option is available for an extra £10 and there is a 14 hour cutoff.

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 circular Half Marathon through Thetford Forest on mixed hard-packed and grassy trails, manually timed and traffic free. The event is cupless, offers optional eco friendly medals and podium trophies, and has a 3.5 hour cut-off.

Scenic mixed terrain races along the Thames at Remenham Farm in Henley on Thames. Options include a Half Marathon, a 10K and a Junior Race with marked trails, marshals, chip timing and post race goodies.

A 54 mile circular ultra and a 26.2 mile marathon route start from Brixworth Country Park, mixing trails, roads and canal towpaths with staffed checkpoints and real time GPS tracking.

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.

An untimed inflatable obstacle run in Huntingdon on 10 April 2027 offering 2.5k, 5k, 10k and 15k options with giant inflatables, five music zones, a finisher's medal and on-course water.

A 26.2 mile race covering the final section of the Rose of the Shires Ultra, mixing trails, roads and canal towpath. The route features two staffed checkpoints, real time GPS tracking and transport from Brixworth Country Park to the start.

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.

A 28 mile run along the traffic free Brampton Valley Way, staged as a Leicestershire versus Northamptonshire contest with 100 places from each end. The route includes two dark tunnels, feed stations every 4.5 miles and a 7 hour cut off.

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.