Trail Running Calendar East of England 2025-2026

We have found 105 Trailruns in East of England. Check below where and when you can find the races.

Join the Black Bull 15 charity trail event on 16 August 2026 with a competitive 15 mile trail run or a timed 15 km hike. Enjoy rolling trails, possible wildlife sightings and a finisher's medal plus a free drink and race tee.

Take on the Muntjac 15, a 15 mile trail around Danbury Essex with 1600 ft of climbing across scenic woodland and technical singletrack. Enjoy a well stocked checkpoint, a quality memento and bespoke local trophies.

September 2026

Run through scenic Ickworth Park at sunset with 5 km and 10 km multi terrain routes across woodland, meadows and new limestone paths. Chip timed with medals for all finishers, this friendly event offers a perfect autumn evening challenge.

Take on a 50 km ultramarathon along the Boudicca Way from Diss to Trowse in Norwich, enjoying scenic Norfolk trails and checkpoints. Limited to 250 entries, with race support, a unique medal and a donation to Norfolk Trails.

Run riverside trails and village lanes at Roman River Trails, a self navigated half and full marathon near Colchester. Expect scenic river crossings, varied terrain, stocked aid stations and a cupless format so bring a cup.

The Lucky Horseshoe on 19 Sept 2026 invites runners to tackle 5k to ultra routes across the Gallops and Golding Hills near Bury St Edmunds. Enjoy friendly aid stations, included parking and a bespoke finisher medal.

Run the flat, riverside Ouse Valley routes in Huntingdonshire with marathon and half marathon options on grass, gravel and tarmac paths. Enjoy peaceful river views and fast courses suitable for trail runners of all levels.

Enjoy a scenic mostly flat, traffic free course through farm fields and a pumpkin corn trail at Bullbanks Farm. Choose 10K, 5K or a family 1K, then relax in the event village with refreshments and family fun.

Run Sandringham on 27 Sep 2026 offers Half Marathon, 5K and Community Mile across the Royal Estate, including a stretch past Sandringham House. Finishers receive a bespoke medal and scenic, marshalled routes.

Run 10 km or 3 km through flat, scenic Grantchester farmland on 27 September in a friendly volunteer event. Support Maggie's Centre Cambridge and Addenbrooke's while enjoying medals, refreshments and post race treats.

October 2026

Hit the trails at London EcoTrail 25 KM on 3 October 2026 in Epping's Bell Common. Enjoy a scenic 25 km route through woodlands and countryside, perfect for trail runners craving a nature filled challenge.

Experience the Fort 20 on Sunday 4 October 2026 at historic Landguard Fort in Felixstowe, a scenic 20 mile looped trail. Enjoy estuary and port views, mixed terrain, three aid stations and a long sleeve T shirt with a finisher medal.

Join the Cawston Trail Race, a 5 mile off road run through scenic Cawston Park, raising funds for Norfolk Lowland Search and Rescue. Expect forest trails, chip timing and a friendly atmosphere as proceeds support vital search work.

Discover the Suffolk coast at Endurancelife Dunwich on 10 October 2026 with 10K, Half Marathon, Marathon and Ultra across mostly flat forest, moorland, grass and beach terrain. Fully marked courses, electronic timing and a finishers medal a..

UTMB Index

Run a scenic 13.1 miles from High Lodge through Thetford Forest on a traffic free circular trail of sand, grass and woodland paths. Take in autumn colours and wildlife, then celebrate your finish with a well earned medal.

Tackle the West Acre Wild 10K Challenge on 18 October 2026 in Westacre, Norfolk, a scenic off road run through undulating bridle paths and woodland. All finishers receive a bespoke stag medal and proceeds support the Purfleet Trust.

Challenge yourself on a scenic 30 mile riverside ultra along the flat trails of the Stort and Lee. Enjoy well stocked checkpoints, friendly support and a club house finish with medal and live results at Bishop’s Stortford.

Run laps around Ferry Meadows at the Pumpkin Plod on 25 October 2026, choosing a 4 or 6 hour timed session. Enjoy multi terrain 5.3 km loops, pick a finisher medal and soak up the scenic lakeside setting.

Chiltern Ridge Winter 50K, Saturday 31 October 2026, is a single loop trail from Berkhamsted through Ashridge and the Ridgeway with about 800 m of climbing. A UTMB index event ideal for experienced trail runners seeking scenic winter trails..

UTMB Index
November 2026

Join the Dirt Half Challenge, a popular trail half marathon around Leighton Buzzard that winds along canal towpaths, through woodland and over the Greensand Ridge with a few muddy sections. Friendly marshals, volunteers and first aid keep t..