Trail Running calendar near Diss 2026-2027

Uphill winter trail at Irchester Country Park offering 5K, 10K and 15K on varied multi-terrain through a Jurassic landscape.

A winter trail 10 km through medieval Lavenham along an old railway line, featuring mixed terrain, mud and shallow streams. All finishers receive a medal and podium trophies are awarded for top finishers.

A point to point ultramarathon of about 48 miles along the Peddars Way from Knettishall Heath to the Norfolk coast, with GPS tracking, mandatory winter kit, three checkpoints and a shuttle bus option, plus a bespoke wooden medal at the fini..

A 5k canicross at Irchester Country Park on mixed woodland tracks, with staggered starts, first aid support, medals and trophies for top finishers. Recommended kit includes trail shoes and a canicross harness; free race photos are provided.

A lapped event on the Flitch Way near Rayne offering 5 km, 10 km, half and full marathon and a six hour challenge. Loops are 5.3 km with an aid station at the end of every lap and a bespoke medal choice.

A marathon and half marathon on the largely traffic-free Marriott's Way, supporting the East Anglian Air Ambulance, with coach transport available, finisher medals, on-route aid and prizes for top finishers.

A multi-distance running festival at High Lodge, Thetford Forest with looped 5 km laps, on-course aid, post-run tea, coffee and cake, and bespoke medals for finishers.

Two winter trail races in Northamptonshire offering multi terrain routes and distances from 5K to 15K across Irchester and Brigstock country parks.

A 42-mile trail race from Chipping Ongar to the ancient Chapel of St Peter-on-the-Wall, following an old pilgrimage route through rural Essex. Mostly off-road and often muddy, the route is waymarked with GPX support, four outdoor checkpoint..

A single lap undulating 10k trail race at Hadleigh Country Park with steep hills, deep mud, technical terrain and mandatory trail shoes.

Two trail race distances, 25 km and 50 km, at Harrold-Odell Country Park in Bedford on 13 March 2027, organised by Thunder Races with early-bird and standard fees and instalment options.

Trail event at Hyde Hall Farm offering 10k, half, full and ultra distances with lap-based courses, water at the lap point, secure parking and a bespoke finisher medal. The event is cupless so bring a refillable cup or bottle.

A PARAS'10 event in Friday Woods featuring a 3 mile loop with one to three laps, categories for runners, TAB entrants and canicross. A 2 mile junior race is available for ages 10 to 15.

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.

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 cupless trail half marathon through Thetford Forest on mixed hard-packed and grassy paths, with podium trophies, manual timing, and a minimum age of 17.

A family friendly inflatable obstacle fun run in Huntingdon on 10 April 2027 with 2.5k laps, multiple distances, music zones, a finisher's medal and on course water.

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.

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 scenic 10 km trail race in the Nene Valley, starting and finishing at KC Active in Kings Cliffe with a fully marked circular route and on-course aid station.