Trail Running calendar near Sudbury 2025-2026

Hit the Surrey Hills for G3 no.1 at Newlands Corner on 10 January 2026, with 10 km and 15 km trail routes across mud, rocks and forest. Expect hilly, technical terrain and stunning views for a true winter trail challenge.

Guided 30 mile trail run through the Surrey Hills from St Martha's Hill, taking in Denbies Wine Estate and the top of Box Hill. Led by an experienced ultra coach, this friendly group run promises an epic day on the North Downs Way for seaso..

Join the Chilli Flamingo Run at Xcel SPORTS HUB in Walton on Thames for a timed, multi lap trail race along the flat riverside towpath. Choose from 5 km to ultra distances, enjoy aid stations and same day results within a 7 hour limit.

WTF Where's The Finish? is a timed challenge in Thetford Forest where you choose a 4 hour or 6 hour slot and run as many 5.3k laps as you like. Enjoy multi terrain trails, aid each lap and a bespoke finisher medal, or take a virtual place.

Run a fast, accurately measured 10K at Northampton Racecourse Park on 11 January, three laps of scenic pathways with trophies and a bespoke medal. The family friendly race supports Umbrella Fair Northampton and accepts on the day entries.

Join the Runners Next the Sea 5 Mile Beach Race at Holkham Beach for a scenic 5 mile run across sand, dunes and a shallow channel. Chip timed with immediate results and a keepsake for every finisher. Places are limited.

Join a friendly guided 10k at High Lodge in Thetford Forest on 11 January 2026, led at a conversational pace perfect for runners taking their first steps into trail running. Enjoy mostly flat woodland paths, group support and an optional co..

Windmill Way Wander on 17 January 2026 at Suffolk Running Centre offers 5k to ultra routes through rolling Suffolk lanes with views of Dalham windmill. Enjoy a bespoke finisher medal, on course aid stations and included parking; bring your..

Take on the iconic Box Hill fell race on Sat 17 Jan 2026 from the Stepping Stones pub, a challenging 12 km route with 530 m of climb and sweeping Surrey views. Pre entry only and entries fill fast, so be ready when entries open.

Join the Tiaras & Tutus Orange Run on 17 January for distances from 5 km to ultra along a flat riverside towpath. Enjoy a flexible one hour start window, seven hour time limit and bespoke finisher medals in a fun, limited field event.

Tackle the scenic but testing Benfleet 15, a 15 mile trail taking in Hadleigh Downs, the Canvey sea wall and parts of the 2012 Olympic mountain bike course. Join the fun at Hadleigh Country Park on 18 January 2026 for a muddy, memorable cha..

Explore Pippingford Park at this orienteering event on Sunday 18 January 2026, with courses for beginners, juniors and experienced navigators. Register online by 17 January to secure your place.

Join Essex Winter Midweek Series No 7 for night street orienteering in Chelmsford using MapRun, part of the ten event series where your best six count. Bring a head or hand torch and wear high visibility clothing; under 16s need an adult.

Join the Dark Horse Trail on 21 January 2026 for a 5 mile self navigated run around Galleywood Common, starting and finishing at the Horse and Groom pub. Limited to 60 places, entry includes a sausage or veggie burger with chips.

Join Esher Street O, part of the Winter Street O Series by Mole Valley Orienteering Club, at The Wheatsheaf in Esher. Choose a 60 or 40 minute score course with MapRun and relax with food and after the race refreshments at the pub.

Take on a three hour nighttime trail at Holmbury St Mary and rack up as many 5 km laps as you can by headtorch. Entry includes a bowl of chilli or curry and prizes for the first finishers.

Take on the undulating OMG One Mile 2 Go trail at Bawsey Country Park on 24 Jan 2026, with lap based half and ultra options and a friendly field limited to 100. Bring your own bottle for cupless refills and earn a bespoke finisher medal.

Brutal at Bagshot on 24 January 2026 is a gritty, hilly off road challenge on the Army Alpine circuit with bogs, knee to waist deep water holes and twisting, zigzag climbs. Pick a 5 km single lap or test yourself over two laps for 10 km.

Huffin Puffin Run on 24 Jan 2026 at Xcel SPORTS HUB, Walton on Thames. Flat 5.3 km riverside loop with distances from 5 km to ultra; lap as you like within the time limit and enjoy aid stations and digital results.

Choose your distance on the day and tackle scenic looped courses through woods and trails around Chalfont St Peter, with pacers welcome and a trained medic on standby. Distances from 7k to ultra are offered and top three finishers earn meda..