Trail Running calendar near Grafham Water 2025-2026

The Henley River event takes place on Saturday 5 September 2026 at Temple Island Meadows / Remenham Farm, Remenham Lane, Henley-on-Thames RG9 3DB. It is organised by RunThrough and supports Royal Berks Charity. Races available are: Half Marathon 10K Junior Race (under 11) Entry options include st..

Silent Pool 10km is a guided trail run hosted by Running Adventures, starting and finishing at Silent Pool Car Park in Albury, near Guildford. The 10km route winds along North Downs Way sections and through Netley Heath forest, finishing in the village of Shere where film locations from The Holiday..

Robin Hood 100 is an ultra by HOBO Pace in Nottinghamshire, starting at Sturton Road, South Wheatley Village Hall, near Retford. The 100-mile, fully marked course follows the Chesterfield Canal towpath into Sherwood Forest, looping through Creswell Crags, Welbeck Estate, Clumber Park and Thoresby Es..

The Summer Boudicca Way 50km Ultra is a beginner-friendly ultramarathon in Norfolk, following the Boudicca Way from Diss to Norwich. Organised by Boghopper Races Ltd, the 50km route runs through villages such as Pulham Market, Fritton, Saxlingham, Stoke Holy Cross and Caistor St. Edmund along the ol..

The Farnham Pilgrim Marathon is a full marathon event held at The Sands Recreation Ground, opposite The Barley Mow Pub, Littleworth Road, Farnham, Surrey GU10. The listing highlights spectacular views, emphasizing the scenic nature of the race in the Surrey Hills. Entry is £40, with a cap of 1,000 p..

Bradenham Blast is a trail running event on Sunday 20th September 2026 at Manor Farm, Bradenham, High Wycombe (HP14 4HF) in the Chiltern Hills. The event offers three distances: 5km 10km Half Marathon (21.1km) Routes run through beech woodland and across estate trails in an arable nature reserve...

Starting and finishing at St Martha's, Guildford, the North Downs Way Ultra Run is a 30-mile trail journey through the Surrey Hills. The route highlights the best sections of the North Downs Way, including Box Hill and Denbies Wine Estate, with sweeping downs views before looping back to Guildford v..

The Cannock Chase Running Festival is scheduled for Sunday, 11 October 2026 at Concert Field, Birches Valley, Cannock Chase Forest, Rugeley, WS15 2UQ. The event offers multiple distances on forest terrain and includes a separate junior race. The course runs along forest paths, woodland tracks and g..

The Windsor Trail Run takes place on Sunday 8 November 2026 at Alexandra Gardens, Windsor SL4. The event offers a trail half marathon and a 10K on mainly flat, off-road trails in royal Berkshire. Routes start and finish from Alexandra Gardens and pass through parkland with seasonal scenery. Distan..

Box Hill Vertical KM is a guided trail run organized by Running Adventures near Box Hill, Dorking, Surrey. The route covers about 12.5 miles and is designed to deliver roughly 1000 metres of elevation in a compact distance, with no hill-repeats. Runners traverse woodland, heathland, and open fields,..

The Birmingham Black Country Half Marathon is a running event held in the Black Country region near Birmingham. Organized by StuWeb Events Ltd., the race covers the half marathon distance of 13.1 miles. While specific details about the course and atmosphere are not provided, the event typically attr..