Trail Running calendar near Hainault Forest Country Park 2026-2027

Celebrate International Women’s Day with an all female trail run at the beautiful Culden Faw Estate. Choose from three distances featuring rolling hills and woodland paths in an inclusive environment.

A 50 km trail ultra from Stonor Park through the Chilterns, run over two 25 km loops with 4000 ft of climb, five aid stations, full medical support and a 9 hour cut off. Medals to finishers and prizes by overall and age category.

Riverside mixed terrain half marathon, 10K and junior race on 10 April 2027 at Remenham Farm in Henley on Thames. Marked kilometres, lap formats vary by distance, and entries include a themed medal and chip timing.

Explore the unique heathlands of the South Downs National Park with distances ranging from 10km to 100km. This trail festival offers flat courses, inclusive coach transport, and a weekend of camping in the Hampshire countryside.

On 4 September 2027 at Remenham Farm, Henley-on-Thames, a mixed-terrain half marathon, 10K and junior race follow a riverbank trail with kilometre markers, chip timing and on-course marshals for guidance.