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.

Enjoy a crisp Winter Trail Run through Gatton Park with a scenic 5K loop or a 10K double lap, plus a Canicross race for runners with dogs. Fast, friendly and compact, the event includes a finish medal, refreshments and prebookable parking w..

Tackle the scenic North Downs Ridge 50k from Denbies Wine Estate near Dorking, featuring rolling chalk hills, woodland loops and four aid stations. A tough but runnable trail ultramarathon with a 10 hour limit and UTMB qualifying points.

Dirt Run is a trail running series across two rounds in Northamptonshire at Irchester in January and Brigstock in February. Tackle mixed trails and a notable hill, pick short or longer distances and earn a unique finisher medal.

Guided 10 km trail runs on Thursley Common across heath, bog and the boardwalk voted Britain's Favourite Path. Friendly, non competitive group runs include sunset and night options with headtorches.

Join the G3 Series at Newlands Corner, Guildford on Saturday 28 February 2026 for scenic 10 km and 15 km runs through Surrey countryside. Single entries and series bundles are available; register by 26 February.

March 2026

Take on scenic trails around Pitsford Water with 10k or half marathon options, starting and finishing at Brixworth Country Park. Expect waymarked routes, on course support, a finisher medal and race photos in a friendly countryside setting.

Run a scenic circular half marathon through Thetford Forest on varied trails with wildlife and traffic free paths. Enjoy pro photos, a finisher medal and podium prizes in this spring trail challenge.

Explore private trails through woodlands and fields at Stody Estate, with 4 km, 8 km and 12 km routes for all abilities. Chip timing, eco medals, on site refreshments and funds raised for Break make it a feel good day out.

Run a scenic 10 km along the Thames and Jubilee River through Windsor, Dorney and Eton, finishing by the Windsor & Eton Brewery. Multi terrain course with a medal and post race pint makes this a perfect social and club outing.

Join a guided 10 km trail from Silent Pool, Albury along the North Downs Way through Netley Heath to Shere, with sunset or headtorch night options. Led by a qualified guide, the run features kit trials and sometimes an alcohol free beer.

Join the Humanity Direct Amersham Ultra on 7 March for scenic footpath and bridleway routes of 10 km, 25 km or 50 km starting at Dr Challoner's School. Run or walk to fundraise for Humanity Direct and earn a finisher medal.

Join Thunder Races at Harrold Odell Country Park for scenic 25 km and 50 km trail runs through woodland and countryside. Marked routes, aid stations and finish medals make it a welcoming challenge for trail runners of all levels.

UTMB Index

Tackle the Leith Hill Half Marathon, a scenic 13.1 miles cross country run from Dorking to Leith Hill Tower and back with about 1,800 feet of climbing. Enjoy stunning views, a commemorative medal and a full cooked breakfast at the finish.

Hannington Hike in Wellingborough on 8 Mar 2026 offers two waymarked walks of about 15 and 27 miles for LDWA members and guests. Enjoy checkpoints with snacks and hot drinks and a certificate and badge at the finish.

Join the Thames Meander, a riverside race from Barnes along the Thames Path with flat, fast and scenic out and back routes. Choose 10k, half or full marathon routes with waymarked course, stocked checkpoints and medical support.

Discover the Hundred Hills 50 km, a challenging trail ultramarathon through the scenic Chilterns at Stonor Park on 14 March 2026. Two 25 km loops with about 4000 ft of climb and a nine hour cut off promise tough trails and big views.

UTMB Index

Discover three brand new scenic routes across the North Downs and Greensand Ridge at the Sevenoaks Circular Challenge on 15 March 2026. Choose 15, 20 or 30 miles and enjoy supported checkpoints, hot finish food and sweeping North Downs view..

The Gratitude 25km is an exciting running event taking place in Broxbourne, UK. This race is designed for runners of all levels, promoting fitness and community spirit. Participants will enjoy a scenic route while challenging themselves to..

The ZigZag 2026 Moo-rathon, Calf and Hen K at the Farm is a trail running event held at Hyde Hall Farm, SG9 0RU. Returning for its third year, the event offers multiple distance options including 10k, half marathon, full marathon, and ultra..

Join a guided 13 mile trail run around Guildford's Surrey Hills, visiting St Martha's Hill, Shere and the North Downs Way. Enjoy a friendly group pace, kit support and optional post run refreshments.