Trail Running calendar near Croydon 2025-2026

BigMud Trails EARTH kicks off the Classic Element Trail Series at Queen Elizabeth Country Park, guiding runners through the Meon Valley and South Downs with two ascents of Butser Hill. Options: 16 miles, marathon or 50 km on muddy trails.

Head to Hadleigh Country Park for the Hadleigh Legacy 10k, a scenic but testing off road route around Hadleigh Castle with muddy trails and steep climbs to test your legs. Wave starts, clear waymarking and helpful marshals keep the event fl..

Join the Winter Trail Run at Gatton Park on 22 February 2026 for scenic multi terrain 5K and 10K loops, plus a Canicross category. Expect a finisher medal, bag drop and refreshments, with prebooked parking helping to support Gatton Trust.

Run the 50k North Downs Ridge from Denbies Wine Estate along the North Downs Way through Surrey woodlands. Roughly 2,986 ft of ascent, aid stations, UTMB qualification and an eco wooden finisher medal await.

Join the Dirt Run, a two round multi terrain series in Northamptonshire at Irchester on 25 January and Brigstock on 22 February. Choose 5 km to 15 km on mixed trails, paths and roads with a muddy hill to test you and a custom medal for fini..

The Terminator 2026 is a tough but rewarding 12 mile trail race around Pewsey, Wiltshire, mostly off road with muddy climbs and high point views. All finishers receive a unique T shirt and race village treats await.

Run Reigate Canicross & Trail at Gatton Park on 22 Feb 2026 offers scenic multi terrain 5K and 10K trail races plus a dedicated canicross. Chip timing, medals for humans and dogs and tasty treats for pups make it a fun day out.

Join a guided 10 km trail run through Thursley National Nature Reserve, an easy, mostly flat route ideal for first time trail runners at about 10 min per mile. Enjoy heathland scenery and Britain’s Favourite Path boardwalk.

Join G3 no.3 at Newlands Corner, Guildford for a choice of 10 km or 15 km routes across Surrey countryside on Saturday 28 February 2026. Friendly, well marked courses with series entry options make this a perfect early season challenge.

Run a guided 30 mile trail across the South Downs Way and nearby hills, from Harting Down through ancient woodland and nature reserves. Ideal for first time ultra runners, it's led by an experienced mountain leader and coach.

Scenic trail run around Chichester Harbour AONB with coastal paths, quiet trails and a short foreshore crossing at low tide. 21.3 km and 16.1 km routes offer canicross and hiking options plus chip timing and finisher medals.

Chocothon is a friendly timed lap on a flat 5.3 km riverside towpath, letting you complete as many laps as you can within a seven hour window. Distances from 5 km to ultra, medals and aid stations make it perfect for all abilities.

Choose a 10k or half marathon and enjoy scenic trails around Pitsford Water starting and finishing at Brixworth Country Park on 1 March 2026. Fully marked and marshaled routes include village passages and a few stiles on the half for a rewa..

Challenge yourself on scenic trails at Up on the Downs on 1 March 2026, starting and finishing at Breamore House near Salisbury. Choose from a half marathon, 10k or 5k with a Canicross option and earn a finisher medal.

Run the scenic Windsor & Eton 10km on Sunday 1 March 2026, a mixed terrain route along the Thames and Jubilee Rivers through Dorney and Eton Wick. Finish by Windsor & Eton Brewery for a medal and your choice of beer or soft drink.

Guided 10 km trail run from Silent Pool near Guildford along the North Downs Way and Netley Heath for a scenic group outing. Sunset and torchlit sessions, gear trials and a friendly finish make for a relaxed guided adventure.

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.

Sussex trail in Eastbourne on 7 March 2026 offers coastal South Downs routes with stunning Seven Sisters views. Strenuous chalk and woodland terrain from 10K to ultra delivers a tough outing and earns Endurancelife leaderboard points.

Thunder Races brings 25 km and 50 km trail runs through the woodland and countryside around Harrold Odell Country Park in Bedford. Enjoy marked routes, aid stations and a finisher medal plus goodies for a memorable spring trail challenge.

Brutal at Chawton delivers muddy farm tracks, water filled craters and technical forest trails for a gritty off road challenge. Choose 5 km or two lap 10 km and try canicross if you want to run with your dog with a running harness required.