Trail Running calendar near Brentwood 2025-2026

Enjoy a scenic 10 mile route through parkland, riverside paths and woods in North Milton Keynes, including the quirky Cattle Creep tunnel. Canicross friendly, one lap with on the day race pack pickup and finish line goodies.

Enjoy a 5k canicross at Irchester Country Park on Sunday 8 February 2026, running with your dog through scenic woodland trails. Experts will support first time runners and every finisher gets a medal and treats for their dog.

The 'Rayne'ing Medals Anniversary Challenge is a running event celebrating six years of Hare & Tortoise Running, taking place on The Flitch Way in Rayne. Participants can choose from five entry options, including a marathon, 6-hour timed ev..

Take on the scenic St Peters Way Ultra, a 42 mile trail from Chipping Ongar to the atmospheric Chapel of St Peter on the Wall. Expect rolling trails, sticky mud and a dramatic sea wall finish while supporting the chapel.

BigMud Trails EARTH at Queen Elizabeth Country Park is a scenic single lap through the Meon Valley with two tough climbs up Butser Hill. Choose 16 mile, marathon or 50 km distances, enjoy on course support and plant a tree instead of a meda..

Take on the Hadleigh Legacy 10k at Hadleigh Country Park on 22 Feb 2026, a single lap off road trail with hills, mud and lovely views. Enjoy race photos, a bespoke medal and prizes for top finishers.

Run through the pines at Thetford Festival of Running on 22 February 2026 at High Lodge, Thetford Forest, with distances from 5k to ultra for all paces. Enjoy scenic loops, forest trails and post race cake while supporting woodland care.

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 on 22 February 2026, a demanding trail ultra starting and finishing at Denbies Wine Estate near Dorking. Follow the North Downs Way through Newlands Corner, Albury Downs and Norbury Park with UTMB per..

Join Dirt Run, a two round multi terrain series in Northamptonshire offering 5 km to 15 km options at Irchester Country Park on 18 Jan and Brigstock Country Park on 22 Feb. Expect trails, a notable hill and a custom 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.

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..