Trail Running calendar near Willen Lake 2026-2027

A Half Marathon at Box Hill Fort (Tadworth) on 28 June 2026 with more than 3000 feet of ascent and descent. The route runs mainly on rough tracks and offers views over the North Downs, the Mole Gap, Denbies Vineyard and Dorking.

A 5 km off road run and walk at Therfield Heath in Royston on 28 June 2026, held over two laps to raise funds for Teenage Cancer Trust. Entry is limited and fees are listed for adults and children.

A 5.3 miles off-road trail race around Ashridge Woods on 28 June 2026, organised by Aldbury Sports Club with National Trust permission. Water and finish refreshments are provided and entry fees differ for affiliated and non affiliated runne..

North Downs Run is a multi terrain 30 km race through the Kent countryside on Sunday 28 June 2026. Entries are open with online entry closing 14 June; fees are £38 affiliated, £40 non affiliated and £45 on the day if places remain.

A team relay along The Ridgeway national trail covering 86.5 miles from Ivinghoe Beacon to Overton Hill near Marlborough. Ten legs traverse off road hilly terrain, with specific gender leg rules and teams providing their own support.

A guided 10 km trail run at High Lodge in Thetford Forest on 28 June 2026, led at a conversational pace with groups set by ability; entry costs £12.50 and parking is charged at £4.

Pretty Muddy 5k at Blackheath Common on 28 June 2026. A grassy obstacle course with staggered wave starts, marshals on the route, toilets and refreshments available, and a minimum fundraising target of £50.

A community running day at Bromyard Rugby Club featuring a chip timed 10 km, a junior 2 km for ages 4 to 15, and a non competitive fun run, with marshals, on site vendors, first aid and event insurance.

A self-navigation trail event near Maldon on 28 June 2026 offering 10K and 5K routes through private fisheries grounds, with entry fees that include a cafe voucher and all profits donated to Caroline Coastal FM and Farleigh Hospice.

Guided trail runs at High Lodge in Thetford Forest combine running with facts about the woodland and trail running tips. Routes include 10 km and 16 km options and entry fees range from £12.50 to £17.50.

A chip timed 10k at Burghley House on 30 June 2026, run over two laps on grass and paths around the estate. Open to ages 16 and over with a minimum fundraising target of £50.

A guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey. Hilly evening and night runs in a group setting with parking available and a kit list provided; cost £22 per person.

Follow the 82 mile Essex Way trail from Epping tube station to the historic high lighthouse in Harwich. This ultra marathon features mixed terrain and 3,469 feet of elevation with full GPS tracking and five checkpoints.

A timed charity run along the Thames with lap options from 5.3 km up to ultra distances. The Run for a Tenner entry donates £10 to Rays of Sunshine and all finishers receive a bespoke medal.

A point to point half marathon along canal towpaths from Wolverhampton City Centre to Brindley Place. The race uses seeded time trial waves, features the 360 metre Coseley Tunnel and floating drink stations, and finishes in Brindley Place.

A day of trail running in the South Downs National Park on 4 July 2026, with five distances from 10 km to 100 km, coach transport to starts, camping, food and a kids race at the Petersfield venue.

Choose your own challenge at the Summer Sun Run, a flexible lap event set in the scenic Denbies Wine Estate. Complete as many 5.3 km laps as you like within 7 hours, with a large medal for all finishers. Enjoy a flexible start window and a..

Run a flexible distance along Winchester's scenic Itchen Way in this American-themed event. Choose your own challenge from a 2.62-mile loop, with trophies for the best costumes. Enjoy a well-stocked aid station and a flexible start time.

A licensed, timed 5-mile multi-terrain race around Smalley, Mapperley and Shipley Park on 4 July 2026, with water stations, t-shirts and medals. A colourful 1-mile fun run with colour stations and a finisher medal is also included.

Race 2 of the Orion Harriers Forest Five series takes place on 04 July 2026 at Jubilee Retreat as part of a three-race series with age-category aggregate trophies and prizes for individual and team placings.