Trail Running calendar near Cawston 2026-2027

A canal and coastal trail run from Chelmsford along the Blackwater navigation to Heybridge Basin and Tollesbury. Options include a half marathon and a full marathon, cupless aid stations, a bag shuttle and optional medal selection.

A self-navigation trail race at the Green Man in Toppesfield on 24 May 2026 offering approx 10 miles and 6.2 miles. The event follows UK Athletics rules, uses a written route description and has limited parking.

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 family-friendly inflatable obstacle run at Lincoln Showground on 6 June 2026 offering lap-based distances of 2.5k, 5k, 10k and 15k, music zones, large inflatables and a finisher's medal. Spectator areas, water stations and on-site vendors..

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 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.

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.

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.

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.

A 5k obstacle event at Trinity Park, Ipswich on 21 June 2026 that raises funds for Cancer Research UK. The grassy, fairly flat showground course features climbing, crawling and sliding obstacles and uses staggered wave starts.

A **10 km** off-road trail run at Trifarm near Boreham on 25 June 2026, run mostly on public footpaths and bridleways. The route is anticlockwise, finishes with a lap around the lake, and offers on-site parking and on-registration water.

A 24 hour obstacle course at Belvoir Castle on June 27 and 28, 2026. Competitors run repeated 5 mile loops with ice and greased quarterpipe obstacles; entries include individual, four person team relay, pit crew spectator and a post event b..