Trail Running calendar near Welwyn 2025-2026

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.

Tackle a guided 30 mile trail on the South Downs Way from Harting Down, West Sussex, passing Beacon Hill and the ancient yews of Kingley Vale. This friendly group run from Running Adventures offers a scenic, supportive challenge for experie..

Explore scenic coastal paths around Chichester Harbour with views of Bosham Hoe, Itchenor and the South Downs and a short foreshore crossing at low tide. Choose 16 km or 21 km routes with canicross options and a friendly race day vibe.

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.

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.

Take on the stunning Sussex coastal trails at Eastbourne on 7 March 2026 with 10K, half marathon, marathon and ultra options that pass the Seven Sisters cliffs. Expect challenging chalk and forest terrain, great views and full event support..

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.

Brutal at Chawton is a raw trail run across muddy woodland, water filled craters and steep sided valleys with tight technical trails. Options for 5 km or 10 km include dedicated canicross waves so bring your dog and expect big challenges.

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.

Explore the South Downs at the Maverick Hampshire Trail, a scenic Matterley Basin race with rolling hills and technical descents. Choose 24 km, 16 km or 5 km and enjoy timed results, a finisher medal and dog friendly entries.

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..

Take on the South Downs Way with Winter's End, a scenic trail event offering a 50 mile ultramarathon and two marathon options between Arundel and Winchester. Expect chalk ridge views, well stocked aid stations and a true point to point adve..