Trail Running calendar near Croydon 2026-2027

Half marathon and 10 km races at RAF Greenham Common in Thatcham, Berkshire. The traffic free, flat course has water stations, free parking and a children's race paid on the day for £5; proceeds support New Life Special Care Babies.

An off road marathon from Salisbury to Winchester on 4 October 2026, run mostly on historic country tracks. The event offers full, half and a five mile mini, includes buses and finisher items, and raises funds for local charities.

The Phoenix Running - Slough will take place in Slough on Thursday 8 October 2026.

A lap based Friday timed run on the Thames towpath offering distances from a single 3.28 mile lap up to ultra distances, with the ten pound charity entry supporting Rays of Sunshine and a special double sided medal.

Looped trail event near Maidstone through the Kent Downs with 50 km, 25 km and 10 km options. The route is fully signed and supported with covered rest stops, medical teams, GPS tracking and weekend camping at basecamp.

A backyard ultra at Turvey House where runners complete a 4.167 mile (6.7 km) loop each hour; failing to start a loop on the hour means elimination. Entries include solo, paired teams alternating loops, and an 8 hour day cap.

Trail event at Box Hill, Surrey offering 21K, 31K and 50K options on marked routes with marshal support, chip timed results and a finish village with a themed medal and free race photos.

A ten hour lap event at Pippingford Park where participants aim to complete ten laps of roughly three, four or five mile loops. Each lap must finish back at the race village within the hour and the final grade is set by the shortest loop co..

A half marathon and 10K through Epping Forest, London on 10 October 2026, run on marked woodland trails with aid stations, chip timing and an eco friendly focus.

A military‑inspired obstacle mud run at Hever Castle on 10–11 October 2026, offering **3K**, **6K**, and **12K** courses, obstacles modelled on Royal Marines training, a survival experience, and an event village with music and attractions.

Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.

A looped *20 mile* trail race on 11 October 2026 starting and finishing inside Landguard Fort in Felixstowe. The route crosses nature reserves, estuaries and the Port and includes support stations, a long sleeve T shirt and a finisher medal..

The Titsey Trail 10k is a community running event held on Sunday, 11th October 2026. Organized by runners for runners, it raises funds for a variety of local charities.

Grafham Water Trail Races on Sunday 11 October 2026 feature fully marked trail races from Marlow Park with 10k and half marathon options, water stations, on-course first aid, medals for finishers and prizes for top males and females.

FOOBS Trail and Fun Runs on 11 October 2026 offers chip timed 10K and 6K trail races plus a 2K fun run at Old Basing and Lychpit Recreation Ground. Proceeds support Friends of Old Basing Schools.

A single-lap 10K on 11 October 2026 around Burnham on Crouch, featuring sea wall coastal paths and countryside trails. The event is based at Dengie Hundred Sports Centre with free parking, facilities and post-run food and drink.

MacTuffX Swindon on 11 October 2026 combines ten functional fitness Xercises with repeated runs, offered as solo, doubles or five-person relay entries. A LITE weight option is available and all entrants must be aged 18 or over.

Community organised *5k* near Aldershot on Sunday 11 October 2026 with a very flat route on the Polo Fields and Basingstoke Canal towpath, chip timing, a bespoke finisher medal, and a subsidised race t shirt option.

A 100 mile trail race from Goring & Streatley using Thames Path and Ridgeway routes in four 25 mile out and back spurs. The event has 16 aid stations, full medical support, a 28 hour cut off and mandatory kit and qualifier requirements.

An annual 25 km or 50 km challenge across Kent, Surrey and Sussex footpaths, navigated from written route directions with checkpoints, food included and a ten hour completion objective.