Trail Running calendar near Harwell 2026-2027

The Maverick Cotswolds Trail returns for its 11th year on May 16, 2026. Starting from the historic Sudeley Castle, runners can choose from five scenic trail distances, from a 7km Short to a 51km Ultra. This dog-friendly event features a cup..

A measured 10 km cross country run in Priory Park, Reigate on 17 May 2026 with a 250 metre section plus four laps, water stations, first aid and registration on the day. Trophies and a bespoke medal are awarded and the event supports Sport..

Run the scenic loop at Hurtwood Park Polo Club in Cranleigh, Surrey with distances from 5 km to ultra on mostly flat off road trails. Multi lap format and a seven hour time limit suit all paces and every finisher gets a memento.

A community running event in the parish of Deddington offering 5k, 10k and 20k routes on Sunday 17 May 2026. The event is open to all and supports local organisations including the Deddington Primary School PTA, Deddington PFSU and Deddingt..

Celebrate the 43rd edition of the Stort10, a highly-rated trail race in the Essex countryside. Choose between a 10-mile or 5-mile course on farm tracks and woodland trails starting from Cammas Hall Farm. Enjoy the inclusive atmosphere with..

This 10K trail race starts and finishes on Cocklemoor in Langport, taking runners across mixed terrain paths through the Somerset Levels and countryside. It follows UK Athletics rules and is open to participants aged 17 and over.

The Newchurch Nine is a community trail run on the Isle of Wight with 900m, 4.5km, and 9km routes. All proceeds support the local primary school, and every finisher gets a medal. The event is known for its friendly atmosphere and inclusive..

The Ridge Off Roader is a trail run through the scenic Chiltern Hills. It offers a half marathon and a 10k route, plus a fun 1k for kids. All proceeds support the local school.

Join the Barbury Castle Sunset 10km for an evening trail run through the Wiltshire countryside. The off-road route passes historic Barbury Castle and finishes with refreshments at the shooting school. All profits support the Wiltshire and B..

An evening event at Chelmsford Brew Co offering a GPX/Strava 10 km trail run or a relaxed hike, with entry including a drink, crisps and a finisher's medal; under 18s are not permitted.

Trek or run from London to Brighton on this classic ultra challenge in late May. Choose your distance from 25km to 100km, with full support, rest stops, and camping options. It's a bank holiday weekend adventure through the Surrey and Susse..

The Fox Trail offers three distances, from 20 km to 62 km, through the Surrey countryside. All races start at different points but finish together in Godalming. The event has rolling aid stations and a generous 11-hour cutoff.

Run 145 miles non stop along the Grand Union Canal from Birmingham to Little Venice on a fully waymarked towpath. Limited to 100 starters with supported or unsupported entries and a 45 hour cutoff, it is a classic long distance challenge.

The LDWA's flagship 100-mile walk explores Kent and Sussex, including Ashdown Forest with its Winnie the Pooh landmarks. This challenging event must be completed within 48 hours and requires prior qualification.

This trail marathon takes place over three scenic laps in Richmond Park. The mixed-terrain course features a unique first lap and two shorter laps on the Tamsin trail. Comprehensive facilities, including on-course medical support and aid st..

Queen of the Suburbs Ultra invites runners to explore Ealing's greenways, towpaths and parks with 50k and 25k single loop options. Expect a Horsenden Hill climb with city views to Wembley and a friendly local race atmosphere.

Race Information Race Across Dorset is a point-to-point ultra marathon across the county of Dorset. The event was initially started in 2022 and returns in a new format in 2026. Distances and Route The event offers three distances: 100 km (..

A chip timed *10k* trail run on 24 May 2026 that starts and finishes at Bredon Cricket Club. The marshalled route climbs to the 299 m summit of Bredon Hill and all finishers receive a medal.

The Crocodile 8 is an 8.8-mile run on mixed terrain around Herefordshire's Tillington and Burghill. It features music on the course, steep climbs, and a lively after-event party. Entry is by advance registration only.

Event Overview The Blackwater Trail Events include a half marathon and a marathon on a new marathon course for 2026. The event uses a flexible entry fee structure where participants can choose to pay for extras like a medal or not. Course a..