Trail Running calendar near Grafham Water 2025-2026

Stort30 is a 30 mile ultramarathon along the River Stort towpath, flat and scenic, out and back from Bishop's Stortford. Toilets, showers and aid stations plus a finishers medal make it a friendly test for experienced runners.

Join the Windsor Trail Run on Sunday 8 November 2026 in Alexandra Gardens, Windsor for 10K and half marathon off road routes through royal Berkshire. Chip timed races, friendly marshals, an event village and tasty post race goodies await.

The The Maverick Suffolk Gravel will take place in Rendlesham on Saturday 28 November 2026.

Test your trail legs on Box Hill Vertical KM, a guided 12.5 mile run near Dorking that crams 1000 metres of ascent into a scenic but technical route. Run as a group through woodland, heathland and open fields with kit support and shoe trial..

Take on the new winter St Edmund Way Ultra on 5 December 2026, an 80 miles route through Essex, Suffolk and Norfolk. Remote trails, checkpoints and live public tracking make this a true day and night test of endurance.

Enjoy a scenic winter run around Carsington Water with half marathon and 10K options on Saturday 5 December 2026. Undulating reservoir trails, kilometre markers and a themed medal make this RunThrough event a rewarding lakeside challenge.

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 cour..