Trail Running calendar near Greater London 2025-2026

The Colworth Marathon Challenge is a unique running event held at the scenic Colworth Estate in North Bedfordshire, UK. It features three races over three days, combining distances of 5 miles, 8.1 miles, and a half marathon of 13.1 miles, t..

Join Cock a doodle Dawdle on 27 June 2026 at Hyde Hall Farm for scenic undulating trail routes from 5k to ultra with multi lap marathon options. Limited to 300 runners, bring your own cup and earn a bespoke finisher medal.

Run scenic off road trails through the Thames Valley at the RunThrough Marlow Trail Run, with 5K, 10K and half marathon options. Enjoy chip timing, a themed medal, free race photos and a lively event village with food and drinks.

TrailFest at Salcey Forest offers 10K, half marathon, marathon and 50 km courses through scenic woodland, ideal for newcomers and seasoned trail runners. Enjoy well maintained trails, a friendly atmosphere and a finisher medal.

Guided 10 km trail run around the Devil's Punchbowl in Hindhead, tackling rolling hills and a dramatic natural amphitheatre. Run as a friendly group at sunset or by night with headtorches, pause atop for views and try kit and trail shoes.

Tackle the Essex Way Ultra, an 82 mile trail from Epping tube to Harwich lighthouse on 3 and 4 July 2026. With just 65 places this scenic mixed terrain challenge offers GPS tracking, race support and a 24 hour cut off.

Event overview The SATURN Midweek Chasing Numbers event takes place on Friday, 3 July 2026 at Wraysbury Skiff & Punting Club, Egham (TW20 0AE). It is a 7 hour Time Challenge with flexible start times available throughout the day. The ev..

Run the Serpent Trail near Petersfield on 4 July 2026 through heath, woodland and greensand hills, with distances from 10 km to 100 km for every level. Camping, coach transfers to starts, plus food and a licensed bar.

Fen Gallop 2026 is a scenic running event held in Willingham, Cambridgeshire, featuring flat, multi-terrain courses along country roads, footpaths, and bridleways. Participants can choose between a 10K race or a shorter 4-mile option, both..

Run the scenic Chiltern Ridge Half Marathon along the ancient Ridgeway on 5 July 2026. Expect 21.1 km of chalk trail with rolling climbs, great support, and a friendly field limited to 350 runners.

Join the Bishop's Stortford Mitre 10k, 5k and 1K on 5 July for traffic free village running in East Hertfordshire to support new school sports facilities. Enjoy chip timed races, a free kids 1K and a finisher T shirt or tree planting option..

Run around Bewl Water on 5 July 2026 with 15 mile and 5 mile off road trail options offering stunning lakeside scenery. All finishers get medals and tees and the event supports Air Ambulance Kent Surrey Sussex.

Join a guided 10 km group trail run through Thursley Common nature reserve, exploring heathland, famed boardwalks and abundant birdlife. This relaxed non competitive outing is ideal for nature lovers and trail newcomers.

Run the iconic Ridgeway at Race to the Stones with 100 km non stop, 100 km over two days or a 50 km option. Take in ancient landmarks like the Uffington White Horse and finish beneath Avebury Standing Stones with full pitstops and support.

Run the Chiltern Hills on chalky singletrack through ancient beech woodland and ridgelines, with punchy climbs and rewarding views. Multiple distances welcome challengers and casual runners for a scenic, well supported trail day.

Tackle varied off road terrain at Ultra:5K on 12 July 2026 near Bedford, choosing 15 km, 25 km or 50 km by running 5K laps on the hour every hour. All finishers get a bespoke medal and can enjoy sports massage and snacks between laps.

BigHeat CAMP FIRE is a festival style trail weekend at Mill Farm in the Surrey Hills, pairing single lap scenic trails with a fiery communal vibe. Choose from 2 km to a 50 km ultra, then unwind with camping, live music and yoga.

Race The Light at Wendover Woods offers scenic 5K and 10K trail routes plus a fully accessible 1.5K loop, set amid woodland trails with chip timing and souvenirs for finishers. All proceeds support the Chilterns Neuro Centre.

Take on Shotley 24, a 24 hour camping and coastal trail running weekend on the scenic Shotley peninsula with a fully marked 4.3 mile loop. Run solo, with a partner or team, enjoy camping, yoga and optional sauna and massages.

Enjoy scenic trails at Winwick Hall with 10k, 5k and a 2k kids fun run, all fully marshaled and perfect for families. Run for the Bruce Green Foundation and pick up a finisher medal in this friendly country event.