Trail Running calendar near Grafham Water 2025-2026

Run the North Chilterns 50K, a scenic trail ultramarathon from Putteridge Bury over Warden, Barton and Pegsdon Hills with sweeping views. Limited to 250 runners, this supported 50 km course is a rewarding late autumn challenge.

Run the scenic flat Thames riverside route in Windsor on 21 Nov 2026 at the Thames Path Trail Run. Pick about 16 or 22 km, enjoy chip timing and a finisher medal, and support the plastic free event by bringing a reusable cup.

Run flat sandy woodland trails in the Suffolk Area of Outstanding Natural Beauty with 9, 16 or 23 km route options. Maverick Race brings a friendly event village at Wantisden Hall with medals, feed stations and easy road access from London.

Join a guided trail run at Box Hill, Dorking covering 12.5 miles with about 1000 m of ascent through steep, technical woodland and open fields. This noncompetitive group run suits fit trail runners and finishes with an alcohol free beer.

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.

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.

Tackle a scenic 50 km trail through the Surrey Hills, starting and finishing at Dorking Sports Centre. Well signed route with regular checkpoints and live timing makes for a bold winter ultra with a 10 hour completion limit.

Join Freedom Racing North Downs Ridge 50k from Denbies Wine Estate near Dorking, a fully signed trail along the North Downs Way through Surrey countryside. Expect almost 3000 ft of ascent, stocked checkpoints and a finisher medal.

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..