Trail Running calendar near Sudbury 2025-2026

We have found 271 Trailruns within 80 miles of Sudbury. See below where and when you can find the races.

Run the flat, riverside Ouse Valley routes in Huntingdonshire with marathon and half marathon options on grass, gravel and tarmac paths. Enjoy peaceful river views and fast courses suitable for trail runners of all levels.

The Chiltern 50 Ultra Challenge is a scenic looped trail out of Henley Showground with camping, meals and full on course support. Runners can pick social Ultra March, competitive Trailblazerz or a Solo Challenger start.

Join the Pumpkin Run at Bullbanks Farm for scenic traffic free courses through pumpkin fields and a playful corn trail. Choose 10K, 5K or a family 1K and enjoy medals, event village fun and autumn vibes.

October 2026

Take on the scenic 50 km challenge through Epping Forest in London on 3 October 2026. Enjoy sweeping trails, leafy views and a rewarding long distance test for experienced runners.

Take on 25 km of scenic trails through Epping at the London EcoTrail, an eco focused run that blends challenge with beautiful countryside views. Perfect for trail lovers seeking a green, memorable race day.

A scenic 20 mile loop from inside Landguard Fort, crossing nature reserves, estuaries and the Port. Marked course with three aid stations and a 6 hour cut off, plus a long sleeve T shirt and medal for finishers.

Explore the Surrey Hills on a 30 mile guided group trail run from St Martha's Hill, taking in Denbies, Box Hill and scenic villages. Run together with an experienced coach in a supported, non competitive pace with a cake stop and great view..

Run scenic looped trails around the Kent Downs from basecamp at the Kent Showground near Maidstone, with 10 km, 25 km and 50 km options. Weekend camping, full support on route and a finisher medal, t shirt and fizz await.

Endurancelife comes to Dunwich on 11 October 2025 with scenic flat courses through forest, moorland, grass and beach. Distances from 10K to a 32.7 mile ultra, fully marked, timed with medals and instant splits. Waitlist open.

UTMB Index

Tackle rolling climbs and sweeping Chiltern views at the Frieth Hilly 10 km and 5 km Run, set on mixed woodland paths and country roads. Expect a scenic but challenging route between Frieth and neighbouring villages.

Take on a flat 30 mile ultramarathon along the scenic River Stort and Lee navigation, 15 miles each way. Enjoy grassy trails with some muddy stretches, a finishers medal for all and trophies for top three men and women.

Run the Pumpkin Plod at Ferry Meadows, a timed multi terrain loop event with routes from 5k to ultra and flexible lap options for 4 or 6 hour formats. Enjoy lakeside scenery, a friendly aid station and a bespoke finisher medal.

Join Irchester Spooktacular, a Halloween night run through woodland trails with a 5k and a 2k family fun run. Fancy dress, themed marshals, finishers medals, Halloween chocolates and free event photos make it great family fun.

The Chiltern Ridge Winter 50K will take place in Berkhamsted on Saturday 31 October 2026.

UTMB Index
November 2026

Run Wendover Woods on challenging, hilly forest trails with marathon, half marathon, 10k and junior distances across mixed terrain. Enjoy onsite facilities like a cafe and plenty of parking plus bespoke medals and free race photos.

Enigma Fireworks lights up Caldecotte Lake on 6 and 7 November 2026 with marathon and half marathon races around the scenic waters. Enjoy multiple laps, on course support and a bespoke finisher medal in a friendly festival atmosphere.

Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.

Run the Remembrance Run 2026 South along the River Thames at Wraysbury in a reflective 7 hour lap challenge where you pick your distance. A two minute silence adjusts official times and finishers of 3 km or more earn medals.

Run under the stars through the rolling Chiltern Hills at Stonor Park in November with three waymarked trail options from 7 to 17 km. Expect a fully marked, timed night race; bring a headtorch and enjoy a finishers medal and event atmospher..

Run the Maverick Oxfordshire Trail at historic Stonor Park in the Chilterns AONB with 7 km, 13 km or 22 km routes through deer filled woods and under soaring red kites. Expect steep climbs, wild views and fully marked, timed trails.