Trail Running calendar near Diss 2026-2027

We have found 185 Trailruns within 80 miles of Diss. See below where and when you can find the races.

A track running event at Wodson Park on 31 May 2026 with distances from 5k to a six hour challenge. Chip timing, aid stations, a bespoke medal and limited entries are provided.

June 2026

A four-round trail series on footpaths, fields, woods and some roads held across June to September. All four rounds count toward individual championship scores, with timed results, navigational questions, and t-shirts for those who complete..

The Sundowner Trail Marathon on 6 June 2026 is an evening 27 mile trail through saltmarsh, canal towpaths, vineyards and forests. Limited to 50 runners, this intimate race offers checkpoints, a finish memento and a bespoke local beer.

A backyard ultra at High Lodge Thetford Forest where runners complete 4.167 mile laps every hour until one remains. The event has open ended, 6 hour and 12 hour options, chip timing and a £1000 prize for the overall winner.

A 46 mile circular run or walk around Cambridgeshire starting and finishing at RAF Wyton, visiting former RAF Pathfinder Force airbases. Options for solo completion or team relay, with eight checkpoints and an included t shirt and medal.

A multi-distance running event around Ousden and Suffolk countryside offering 5k, 10k, half, marathon and ultra options with Dalham Kiln and Goldings Hills routes, aid stations every 10 km, and parking included.

A coastal running event on Margate Main Sands following ten bays across sand, promenade and cliff tops. Two distance options are available: approximately 15 miles or a 4Bay 10k held at low tide with coastal stacks and arches.

A scenic 10 km route around Sandringham Estate on 12 June 2026 with chip timing, a bespoke finish medal and event photography. The mixed terrain course is marshalled and signposted and features a water station at about 5 km; in ear headphon..

A 24 hour trail race around Sandringham Estate with solo and team entries, camping and an event village. The weekend includes a five mile lap format, a children’s one mile fun run, timing, medical support and on-site facilities.

Scenic off-road 10 and 20 mile trail races at Castle Farm Campsite near Fotheringhay, with camping available and eco-friendly measures such as bringing your own cup or bottle; one pound per entry supports a local fitness charity.

Test your endurance at MacTuffX London in Barking. Choose from solo, doubles, or relay categories with interval distances of 10x400m or 10x800m. This event is open to all participants aged 18 and over.

A guided 16k trail run at High Lodge in Thetford Forest with conversational group pacing, forest facts and practical trail-running tips, varied woodland terrain and opportunities to spot wildlife.

A trail event at Colemans Fishery in Rivenhall on 14 Jun 2026 offering two route choices of about 6.5 or 4.2 miles. Entry fees are non-refundable and proceeds go to Essex and Herts Air Ambulance Trust.

A category A fell race inside the M25 on 19 June 2026, with multiple climbs around Yardley Valley and a finish on Pole Hill. Entry via SPOND costs £5 and post race refreshments are available at the clubhouse.

Timed 6, 12 and 24 hour trail races around a 2.5 km loop at Leybourne Lakes Country Park on 20 to 21 June 2026. Solo and relay formats, live timing, medals and a race village with food and medical support.

Run the Maldon Ultras on 20 and 21 June 2026 in Maldon, with 100 mile, 50 mile and 30 mile lapped races across fields, woodland and vineyards with estuary views. Small fields and scenic off road laps make for a friendly yet fierce ultra.

A 5K off-road trail run around Castle Bytham within the Midsummer Festival, running across Lincolnshire countryside with marshals. Dogs on short non-retractable leads are welcome and junior runners may take part with a registered accompanyi..

Celebrate the longest day at the Summer Solstice Challenge around Abberton Reservoir, a timed loop with 5 km laps. Run as many laps as you like, earn a medal and support Essex Wildlife Trust.

A 21.2 km trail half marathon at the National Trust's Dunstable Downs on 21 June 2026, featuring 450 m of ascent, marked trails, two aid stations and on-site facilities including parking and a cafe.

Circular countryside routes of 26 miles and 18 miles around Baldock in Hertfordshire, with checkpoints, refreshments and a light finish meal. Entries close 13 June or when the 175 place limit is reached.

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