Trail Running calendar near Sudbury 2025-2026

We have found 229 Trailruns within 80 miles of Sudbury. See below where and when you can find the races.

Night street orienteering in Colchester on 17 December from the Berechurch Arms. Choose a 3.4 km short or 5.4 km long course, use MapRun or printed maps and hunt controls by torchlight for a fun, technical evening.

The Christmas Canter is a festive running event held at the Suffolk Running Centre in Bury St Edmunds, UK. Offering multiple distance options—5k, 10k, half marathon, full marathon, and ultra marathon—runners can choose their preferred chall..

Join a festive 12 km trail in Chelmsford for a fun, social run with a brewery checkpoint en route. Entry includes a Santa hat, drink tokens, a Christmas medal and post run pints or upgrade to rum at the finish.

Take on Winter Wanderlust, a 50 km trail ultramarathon along the scenic North Downs Way from Detling to Wye. Enjoy rugged chalk downs, three well stocked checkpoints, hot food and a finisher medal for those who make the cut.

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half m..

Run on Christmas Day along the Thames at the Christmas Day Cracker Run, a 7 hour time challenge where you choose laps from a 3 km minimum to ultra distances. Finishers get a medal and festive food and treats at race HQ.

Join the Westfield 7.5 km trail race on Sunday 28 December 2025 for a scenic loop past Farbanks Henge and village hamlets. Limited to 50 runners, with marshalled off road course, post race tea and cake and prizes for top male and female.

Join the Layer Twixmas Trail on 28 December for a self guided 5 to 6 mile trail run around Layer de la Haye. Enjoy a Twix, hot drink and cake, optional festive fancy dress with a cash prize and dog friendly fun.

Take on a scenic 10 mile cross country through Hainault Forest with Ilford Athletic Club, three undulating laps across tracks and grass. Friendly club atmosphere, limited entries and post race prizes make it a rewarding winter challenge.

Finish the year with the River Thames Run, a six hour timed challenge along a flat, scenic out and back route beside the Thames. Choose a 3.28 mile lap, 5k, 10k or go further up to ultramarathon distance while enjoying club facilities.

January 2026

Kick off the year with Knacker Cracker, a tough 10K trail on Box Hill in Surrey that climbs to Box Hill Fort across steep, scenic tracks. A free Nipper Knacker kids run happens alongside.

Rhino Run in Wraysbury at Wraysbury Skiff and Punting Club is a 6-hour timed running event organized by Circuit Running. The course is an out-and-back with each lap about 3.28 miles. Runners can complete from 5k up to an ultra within the ti..

Join the Penshurst Village Cross Country Run on Sunday 4 January 2026 for mud, hills and community spirit across scenic village trails. Choose a 5 mile race or a 5 mile canicross and enjoy a friendly morning for runners and dogs alike.

Country to Capital is a 43 mile point to point ultra from Wendover to Little Venice, taking you from rolling country trails and long canal towpaths into central London. Expect varied terrain, live GPS tracking, and medals plus prizes for to..

Event overview Wild Running stages a night trail event at Denbies Wine Estate, Dorking, in the Surrey Hills. The course runs across muddy, rolling hills through the Denbies Estate and is marked for night navigation. Distances offered includ..

Join the G3 trail run series in the Surrey Hills around Newlands Corner with races on 10 Jan, 31 Jan and 28 Feb 2026. Choose 10 km or 15 km courses across scenic, technical trails and save with three race bundle options.

Guided 30 mile trail ultra from St Martha's Hill along the North Downs Way, over Box Hill and past Denbies, led by an experienced coach. Welcoming new ultra runners who can manage 22 mile training and hold about 10 min/mile.

Run a scenic 5.3 km multi terrain lap through Thetford Forest at Brandon Country Park in a timed 6 hour or 4 hour challenge. Limited to 300 entries, finishers earn a bespoke medal and virtual places are available.

The Northampton 10K is a well-organized running event held at Northampton Racecourse Park, featuring a 2.2 km start followed by three laps around the racecourse. The course is accurately measured and takes place on pathway terrain, offering..

Join Runners next the Sea for a 5 mile beach race at Holkham Beach on 11 January 2026, enjoying a scenic route along dunes and open shoreline. Chip timing, a keepsake for every finisher, and a friendly race day vibe.