Trail Running calendar near Thetford 2026-2027

A 5 km Pretty Muddy obstacle course at Norfolk Showground with a mix of paths and grass, staggered wave starts every 15 minutes and an age limit of 13 and over. The event supports fundraising for Cancer Research UK.

Nuclear Rush is a muddy obstacle course at the Secret Nuclear Bunker Estate in Essex offering 6 km and 12 km options with 40+ and 70+ obstacles. Features include the Deathslide, water ziplines, chip timing, finishers medals and support faci..

A two day trail running festival at Deene Park Estate near Corby on 8 and 9 May 2027 offering events from 10k to a 56.1k Quest, medals for finishers and weekend festival activities.

A multi-terrain running event around Naseby Village Hall in Northamptonshire offering multiple distances from 10K to a 35 mile ultra. Routes change direction each year and include roads, trails, and local historic landmarks.

Road marathon and half at Suffolk Running Centre using the Kirtling and Windmill routes. Aid stations every 10 km, parking included, and the event is cupless so bring a bottle or cup.

A long-established marathon in North Essex organised by Halstead Road Runners, set on scenic low-traffic roads and part of the Essex Road Running Championships. The event has a 500-runner limit, supports local charities and holds a course m..

A guided 30 km trail run through the Chiltern Hills near Tring with trail technique instruction, checkpoints, bag storage and a finisher's medal. Entry is limited to 50 participants and the route includes about 500 m of ascent.

Off road 10 km, 5 km and family runs at Milton Creek Country Park on 9 May 2027 supporting The Oliver Fisher Special Care Baby Trust. Varied trail terrain, route maps and event medals are provided.

A one day trail running festival in Suffolk on 15 May 2027 offering a 50 mile ultra, a 50 km ultra and a trail marathon on coastal and marshland routes finishing at Nicholas Everitt Park.

An inflatable obstacle course and fun run at Brands Hatch in Kent on Saturday 15 May 2027. Choose 2.5k, 5k, 10k or 15k around a 2.5k lap with music zones, finisher medals and on-course hydration.

A point to point trail event along the Suffolk and Essex coast offering 100 miles, 50 miles and 50 km options, mostly on soft trail. The route follows five estuaries, features regular checkpoints and issues GPS trackers for safety.

A community run at Brandon Country Park featuring repeated 5.3 km laps on gravel and grass. Timed formats let participants cover anything from 5 km up to ultra distances, with an aid station each lap and a bespoke finisher medal.

A last-person-standing backyard ultra in the Lincolnshire Wolds: runners repeat a 4.167 mile off-road loop each hour with a bell, continuing until one runner completes a solo lap. Entry is limited to 100 competitors.

Race for Life at Weald Country Park in Brentwood features 3k, 5k and 10k routes across grass and woodland trails. The 10k is two laps of the 5k course and the event is chip timed.

A track-based running event at Wodson Park offering distances from 5k to a 6 hour challenge, with chip timing, bespoke medals and aid stations on the track.

Trail event at Hyde Hall Farm with a 5.3 km loop and multiple race options up to a 32 hour 100 mile challenge. The event includes an on course aid station, secure parking and finisher medals.

An 86 miles (139 km) point to point trail race along the full Ridgeway National Trail from Ivinghoe Beacon to Avebury Stones, featuring GPS tracking, permanent signage and eight staffed checkpoints with food and water.

The Grim Reaper is a multi-distance trail event at Grimsthorpe Castle Estate on May 29-30, 2027, using a fully marked 10-mile loop through woodland, limestone tracks and a disused railway. Distances range from 10 miles up to 100 miles and a..

A Star Wars 50th Anniversary weekend on 5 and 6 June 2027 at Caldecotte, Milton Keynes featuring marathon and half marathon races around Caldecotte Lake, unique finisher medals, on-course water and toilets, and time limits for each race.

A 5k muddy obstacle course at Willen Lake with staggered wave starts, on-site toilets and parking, blue badge parking nearby, and a fundraising target of £50. The event is not wheelchair accessible.