Trail Running Calendar East of England 2026-2027

A half day 10 km trail run in the Chiltern Hills followed by a Tring Brewery tour with tasting and a choice of a bottle or a pint.

A mostly off road 15k trail at Trifarm near Boreham on 21 November 2026, following public footpaths and bridleways. The anticlockwise route starts by the lake and finishes on the running track beside the road entry.

Trail races at Wantisden Hall in the Suffolk AONB with three flat, fully marked and timed routes of 9 km, 16 km and 23 km.

A six hour timed event at Suffolk Running Centre on a 10.5 km road and trail loop. Participants run laps to cover distances from 5k up to ultra marathon, with parking included, water provision at the lap point, and a bespoke finisher medal.

A guided 10 km group trail run at High Lodge in Thetford Forest run at a conversational pace, suitable for runners moving from road to trail. Entry is £12.50 and parking is charged at £3.

Trail 5K and 10K around the Tewinbury estate in Hertfordshire, fully waymarked with marshals, aid station at 5.3 km and chip timing.

A new winter ultramarathon on 5 December 2026 covering about 80 miles across Essex, Suffolk and Norfolk, with checkpoints, mandatory safety kit and live tracking that includes an SOS function.

A 10 mile canicross loop at Grafham Water on 6 December 2026, following reservoir paths, woodland and the dam wall. Dog friendly with required harnesses, aid station water bowls and finishers medals plus a dog charm.

Bauble Bimble at Ferry Meadows is a four or six hour multi‑terrain event on a 5.3 km lap, letting runners cover distances from 5k to ultras with an aid station each lap and an event medal.

A looped forest event at High Lodge on 13 December 2026 offering distances from 5k to ultra across a 5.3 km lap. Lap options, an on-course aid station, post-run tea and cake and a bespoke medal.

Festive half trail marathon on 13 December 2026 in Stowmarket covering 13.1 miles through woodland and lanes, cupless with water refills, photography and optional eco medal.

A guided 16k run at High Lodge in Thetford Forest with forest information and practical trail-running tips. Runs are led at a conversational pace and suit road runners taking their first steps into trail running.

Christmas Canter at Suffolk Running Centre offers 5k, 10k, half, full and ultra distances, a bespoke finisher medal, aid stations every 10k and parking included. The event uses loop and out and back formats and has a seven hour cut off.

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.

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 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.

A winter trail run through Lavenham on mixed terrain along the old railway line, manually timed with cupless water refills, medals and podium trophies.

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..