Trail Running calendar near Marlborough 2026-2027

We have found 575 Trailruns within 80 miles of Marlborough. See below where and when you can find the races.

A single-loop 50K trail race around the Chilterns starting and finishing in Berkhamsted. Fully marked route along The Ridgeway and Chiltern Way with three aid stations, mandatory kit requirements and a 9 hour time limit.

UTMB Index

Experience a night trail run through the ancient Alice Holt Forest with 5 km, 10 km, or 15 km lap-based routes. Navigate tree-lined avenues by head torch and enjoy fire pits and refreshments at the finish line.

November 2026

Run a scenic 35.9 mile ultra marathon through the historic hillforts of West Dorset. Enjoy coastal views and well stocked cake stops on this challenging 1,300m ascent course starting from Maiden Newton.

Conquer hilly forest trails at Wendover Woods in this autumn multi terrain event. Choose from marathon, half marathon, 10k, or junior distances and enjoy on site facilities like a cafe and adventure playground.

A ten mile off road trail run in Stonehouse on 1st November 2026 featuring an uphill opening on Horsemarling Lane, muddy undulating trails, a finisher medal, and a 2 hours 30 minutes cutoff; canicross runners are welcome.

Two days of marathon and half marathon races around Caldecotte Lake in Milton Keynes on 6 and 7 November 2026, with multi-lap clockwise courses, on-course water and toilets, enforced time limits, and bespoke finisher medals.

Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.

Experience a night time trail run through the Chiltern Hills at Stonor Park. Choose from three fully marked routes and enjoy a unique atmosphere in an estate home to fallow deer and wallabies.

Experience the mountain scenery of the Brecon Beacons in this multi distance autumn event. Choose between a 13 mile half marathon, a full marathon, or a 49 mile ultra starting and finishing in the village of Talybont on Usk.

Experience a scenic trail run through the Bedfordshire countryside starting from Leighton Buzzard. Choose between a classic half marathon or a metric distance featuring canal towpaths, woods, and rolling hills.

Experience a 12 hour Backyard Ultra in the Black Mountains featuring a 4.2 mile loop of trail and tarmac. Complete 11 hourly yards before a final sprint lap determines the winner of this unique endurance challenge.

Experience a twilight trail run through the historic landscape of Cranborne Chase. This 10 km off road course navigates through woods and parks starting from the grounds of Eastbury House.

Experience a 30 mile ultra marathon through the heart of the Brecon Beacons featuring the summit of Pen y Fan. This trail event offers technical terrain and scenic reservoir views with a strict 200 runner limit.

A trail running event at Stonor Park on 7 November 2026 with three routes through the Chilterns. Distances range from 7 km to 22 km, with steep sections and outposts offering snacks and hydration for the longer routes.

Experience a flat trail run through the heart of royal Berkshire with chip timed results and free race photos. Choose between a 10k or Half Marathon distance starting from the scenic Alexandra Gardens in Windsor.

Participate in a flexible 7 hour time challenge along the River Thames in Egham. Choose your distance from 3km to an ultra marathon while commemorating fallen heroes with a traditional two minute silence.

Commemorate Remembrance Day with a flexible timed run along the scenic River Thames. Choose your own distance from 3km to an ultra marathon on a flat loop course with a supportive aid station and unique finisher medals.

Join a community of runners at Richmond Park for a series of timed races supporting Movember. Enjoy a hilly tarmac course with distances ranging from a kids mini run to a half marathon in a supportive atmosphere.

Experience an evening off road run through the tracks and trails of The Wyre Forest. This ten kilometer event features a two lap course in the dark where torches are required and canicross runners are welcome.

Run through the ancient woodlands of the New Forest National Park on flat gravel trails. Enjoy a scenic route filled with local wildlife and receive a medal and finisher gift at the Roundhill Campsite finish line.