Trail Running calendar near Marlborough 2026-2027

Run 145 miles non stop along the Grand Union Canal from Birmingham to Little Venice on a fully waymarked towpath. Limited to 100 starters with supported or unsupported entries and a 45 hour cutoff, it is a classic long distance challenge.

Run the scenic Richmond Park Marathon, a 26.2 mile trail race through ancient woodlands and open parkland over three laps. UK Athletics affiliated and charity supported, it offers chip timing, aid stations and medals for all finishers.

Queen of the Suburbs Ultra invites runners to explore Ealing's greenways, towpaths and parks with 50k and 25k single loop options. Expect a Horsenden Hill climb with city views to Wembley and a friendly local race atmosphere.

Run the Taunton Trail 10K or Half Marathon on 24 May 2026 at Taunton Rugby Football Club for an ultra flat, fast route along scenic waterways. Friendly marshals, well stocked feed stations and finisher medals make for a rewarding day.

Run across Dorset from just south of Salisbury to the Jurassic Coast on mostly trail with minimal road running and support along the route. Choose from 100 km, 50 km or a 20 mile Purbeck Traverse for a rewarding coastal challenge.

Join the Rebellion 10km at Riverwoods, Marlow on 25 May 2026 for a scenic trail run along the Thames including a crossing of Marlow Bridge. Finishers get a medal, a Rebellion beer or non alcoholic alternative and a pint cup.

Beat The Sunset 50km in Maidenhead is a single lap, mostly off road ultramarathon along the Thames Path, Jubilee River and Green Way. Flat and scenic, the fully signed course features checkpoints, chip timing and post race mementoes.

Tackle the full Ridgeway in an 86 mile point to point trail from Ivinghoe Beacon to Avebury Stones, with rugged views, checkpoints and solid race support. Limited field makes this a classic long distance test for experienced trail runners.

Celebrate the 50th anniversary of Rocky with a flexible 7 hour time challenge at Dare Valley Country Park, where you choose your distance from 3 km to ultra. Enjoy scenic trails, on course aid, medals for finishers and ice cream at the end.

Tackle the Ridgeway Chase 60 km ultramarathon across iconic ridgelines and wooded trails, starting at Ivinghoe Beacon and finishing near Wallingford. Expect a scenic but testing day with full support, chip timing and a finisher medal.

Join the Southampton Running Festival on 31 May 2026 for scenic 5K, 10K, half marathon and junior races around Southampton Common. Lap courses wind through woodland, ponds and parkland with an event village at the finish.

Join a guided 13 mile trail run in the Surrey Hills from Guildford, led by an experienced trail guide. Enjoy views along the North Downs Way and St Martha's Church while running with a friendly group rather than racing.

Choose your challenge in this 7 hour timed event along the River Thames at Wraysbury Skiff and Punting Club. Scenic signed laps, aid stations, medals and goody bags await runners from 3 km up to ultra distances.

Midnight Mountain Marathon in Brecon Beacons lets runners start in daylight and finish under stars while crossing iconic summits like Pen Y Fan. Pick marathon, half or bergen entries and collect a finisher medal plus a warming mug of tea.

Take on Blended's Backyard Ultra at Chilton Manor Farm on June 6 2026, running a 6.7 km trail loop each hour until only one runner remains. Camping, fueling and hot food on site make for a supportive, all day and night event.

Take on the Oner Ultra Trail Run on 6 June 2026 along the scenic Dorset Coast Path. This 85 mile challenge must be completed within 24 hours, perfect for experienced runners seeking a coastal endurance test.

Run laps through Denbies Wine Estate in the Fire Horse Run, a timed off road challenge on an undulating 5.3 km loop with distances from 5 km to ultra. Pick as many laps as you like within a seven hour window for a flexible, scenic race day.

Run beneath Bath through two restored, lit railway tunnels on routes from a 500 m Colourburst to ultramarathon, with distances to suit fun runners and seasoned athletes. Starts and finishes at Brickfields Park and supports Sustrans.

BigSea Trails WATER runs from Knoll Beach around the Isle of Purbeck on scenic single loop routes past cliffs, coves and Old Harry Rocks. Options range from a half marathon to a 54k ultra with coastal views and a tree planting option.

Tackle scenic, hilly trails at Wendover Woods with a half marathon, a 10k and a junior 1k on 7 June 2026. Enjoy forest scenery, a cafe and adventure playground plus medals, photos and prizes for top finishers.