Trail Running calendar near Sudbury 2025-2026

Run the Chiltern Hills on chalky singletrack through ancient beech woodland and ridgelines, with punchy climbs and rewarding views. Multiple distances welcome challengers and casual runners for a scenic, well supported trail day.

Run the Norfolk Festival of Running at Bawsey Country Park on 12 July 2026 with distances from 5k to ultra on scenic sand, gravel and grass trails. Limited to 100 places with virtual entries and a bespoke finisher medal.

Tackle varied off road terrain at Ultra:5K on 12 July 2026 near Bedford, choosing 15 km, 25 km or 50 km by running 5K laps on the hour every hour. All finishers get a bespoke medal and can enjoy sports massage and snacks between laps.

Race The Light at Wendover Woods offers scenic 5K and 10K trail routes plus a fully accessible 1.5K loop, set amid woodland trails with chip timing and souvenirs for finishers. All proceeds support the Chilterns Neuro Centre.

Take on Shotley 24, a 24 hour camping and coastal trail running weekend on the scenic Shotley peninsula with a fully marked 4.3 mile loop. Run solo, with a partner or team, enjoy camping, yoga and optional sauna and massages.

Enjoy scenic, marked trail races around the Winwick Hall estate with rolling hills, grassland and country paths. Distances for all ages support the Bruce Green Foundation and feature friendly on course services.

Join the ATW St Albans Summer 10K on 19 July for a chip timed, single lap route along the flat, tree lined Alban Way. Family fun run, kids zone, live music and food in the event village create a festival finish.

Tackle scenic trails through Ashdown Forest on 19 July 2026 with 5 or 10 mile options from Pippingford Park Manor. Expect rolling climbs, sweeping Downs views and a friendly race day vibe with medals, parking and downloadable GPX files.

Take on Day 1 of the Great Barrow Challenge on the flat to undulating Denham Flats trails, with distances from 5k to ultra to suit every runner. Parking is included, the event is cupless so bring your own bottle, and finishers get a bespoke..

Join a friendly 7 hour timed run along the Thames at Wraysbury, with flat paved loops suitable for road shoes. Pick distances from a 3 km loop up to marathon and ultra, and enjoy a medal plus goody bag and riverside views.

Scenic flat trail around Maidenhead Commons and Summerleaze Lake on 26 July with 5K to half marathon options. Event base at the Sports Bar with marshals, chip timing, unique medal and free race photos for a friendly community day.

North Downs 50 from Loseley Park, Guildford is a scenic 50 km loop along the North Downs Way and Surrey hills on 1 August 2026. Multiple distances, a new Trailblazerz category and robust night support make it ideal for adventurous trail run..

Run the Vanguard Way Marathon or Half on 02/08/2026 along an undulating, scenic route through parkland, woodland and the North Downs. Finishers receive a medal, race t shirt and goody bag while enjoying views from Selsdon Wood to Limpsfield..

Scenic 7 hour timed run along the River Thames on 7 Aug 2026 lets you choose any distance from 3 km to ultra. Finishers get medals and distance pins, with aid stations, cafe and vegan goody bags.

Take on the MTC Windsor Ultra, a 47 mile point to point run along the scenic River Thames from Henley to Kingston. Enjoy riverside views, staffed checkpoints and a bespoke finisher medal plus a technical shirt, mug or hat and charity option..

Tackle ATW Odyssey12 at Riverside Park, St Neots, a multi terrain lap event where solo runners, pairs or teams rack up 5.3 km laps against the clock. Enjoy festival vibes with live music, food, kids activities and an Odyssey medal for finis..

Run the Stour Valley Path on 8 August 2026, choosing a scenic point to point 100k or 50k with UTMB Index points up for grabs. Mostly trail through rolling countryside with friendly aid stations and a medal and shirt for finishers.

Choose any number of laps on a scenic 5.3 km loop at Denbies Wine Estate to make distances from 5 km up to ultra. Timed event with a flexible 1.5 hour start window and support on a hilly off road course.

Enjoy an undulating 10k through peaceful country lanes and rolling Kent countryside at Mount Ephraim Gardens on 9 August 2026. Support Oasis Domestic Abuse Services while grabbing a bespoke medal, free photos and entry into the gardens.

Enjoy the Thames Meander Summer in Richmond, a scenic out and back along the Thames Path with 10km, half and full marathon options. Well marked courses, stocked checkpoints and friendly marshals make it a summer classic.