East of England
Trail Running Calendar East of England 2026-2027
Explore the best trail runs in East of England for 2026-2027! Our updated list features 184 exciting trail runs across the region. Find your next trail run in East of England below and join the trail community at these great events!
December 2026
A social 12k at Chelmsford Brewery with a GPX and Strava route, checkpoint drinks and Christmas medals, plus encouraged fancy dress.
A lap-based running challenge at Abberton Reservoir on 20 December 2026. Runners complete repeated 5 km loops on off-road paths, with a free feed station, a medal for all and proceeds supporting Essex Wildlife Trust.
Enjoy a flexible timed event at Grafham Water where you can run any distance from 5km to an ultra marathon. Complete as many laps as you like on a flat course and earn a themed Christmas Gonk medal.
Final round of the four-event Trifarm Winter series: a mainly off-road 10 km on public footpaths and bridleways at Trifarm in Boreham on 27 December 2026.
A guided 10 km trail run through High Lodge in Thetford Forest with conversational group pacing, varied woodland terrain and basic parking and kit guidance.
January 2027
Lap-based medal run in St Neots offering distances from 5 km to ultra, a one hour flexible start window and a six hour time limit.
A lapped multi terrain event at Brandon Country Park with a 5.3 km loop. Run as far as possible within a 4 or 6 hour window, with aid each lap, marshal support, and bespoke medal options.
Windmill Way Wander at Suffolk Running Centre offers road distances from 5k to ultra across a rolling 600 ft route with village scenery and a view of the Dalham windmill. Aid stations appear every 10k and parking is included.
A lap based event at Bawsey Country Park offering distances from 5k to ultra marathon on sand, gravel and grass. Mass start, aid station every lap, bespoke finisher medals and parking included.
Timed lap event around Grafham Water with 5.3 km laps, flexible start window and a six hour limit; finishers receive a Peacock medal.
A 10 km mixed-terrain trail through medieval Lavenham along a disused railway, manually timed with marshals, cupless water stations and a 16+ age limit.
February 2027
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 finish.
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.
Valentines run at Riverside Park St Neots with a lap format from one 5.3 km lap to ultra distances within a six hour limit.
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.
Lap-based timed event around Grafham Water offering distances from 5 km up to ultramarathon with a six hour limit and a bespoke finisher medal.
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 checkpoints and mand..
A single lap undulating 10k trail race at Hadleigh Country Park with steep hills, deep mud, technical terrain and mandatory trail shoes.
March 2027
A single-lap half marathon around Euston Hall Estate in Thetford, featuring mixed terrain, on course marshals and a bespoke finisher medal.