Trail Running calendar near Marlow 2025-2026

Join the Oliver Fisher 10k, 5k and junior run at Milton Creek Country Park for a scenic off road race supporting the Oliver Fisher Special Care Baby Trust. Enjoy park views, medals and fundraising for the neonatal unit.

Race through the rolling vineyards at Rathfinny Wine Estate on scenic, undulating off road trails with 10.7 km single loop or 21.4 km two laps. Enjoy aid stations, eco friendly practices and a relaxed Tasting Room finish.

Tackle the scenic and challenging North Downs Way 50, a 50 mile trail run from Farnham to Knockholt Pound on 16 May 2026. Expect rolling hills, great trail views, well stocked aid stations and a friendly Centurion Running race atmosphere.

Join the Semington Slog on 16 May 2026 at St Georges School for 10k and 2k routes through the village and along the Kennet and Avon Canal towpath. Family friendly fun with marshalls, refreshments and a Slog Dog for every finisher.

Run the scenic Berkshire Downs at the Compton Downland Challenge on 16 May 2026, with 26.8 mile or 16 mile trail options along the ancient Ridgeway. Expect climbs, muddy paths, aid stations, chip timing and a hearty post race BBQ.

The Reigate Priory Park 10K is a scenic charity fun run held in Priory Park, Reigate, Surrey. The course features a 250-meter start plus four laps on an accurately measured, gently undulating cross-country terrain surrounded by lush greener..

Take on the London to Brighton Ultra on 23 and 24 May 2026, a scenic 100 km trail from Richmond to Brighton with about 1500 m of climb across the North and South Downs. Shorter distances, one and two day formats and camping are available.

Run 50 km along the South Downs Way from Falmer to Beachy Head across rolling chalk downs, farm tracks and woods. Mostly runnable with 3,600 ft ascent, it finishes dramatically on the white cliffs for stunning coastal views.

The Fox is a scenic trail run in the Surrey countryside on Saturday 23 May 2026, offering 20K, 41K and 62K races for all abilities. All races finish at Burys Field, Godalming, with marked courses and stocked aid stations.

Take on the Grand Union Canal Race, a nonstop 145 mile ultra from Birmingham to Little Venice along scenic towpaths. Limited to 100 starters with a 45 hour limit, it welcomes supported and unsupported runners for a true canal challenge.

Farmmageddon is an endurance weekend at Hyde Hall Farm offering looped trail racing on a scenic 5.3 km course. Choose from timed challenges up to a 100 mile two day event with buckle and medal rewards for finishers.

Tackle the stunning Seven Sisters Half Marathon on the South Downs, a 13.5 mile single loop that crests the iconic cliffs, crosses Beachy Head and winds through Friston Forest. Expect rolling hills, mostly runnable trail and unforgettable c..

Join a scenic 26.2 mile marathon in Richmond Park over three laps of the Tamsin Trail and park perimeter. A 3 mile kids challenge follows, with on course drink stations and medical support for a safe, memorable morning.

The Castle Trails 30km is a scenic point-to-point trail race in Kent, launching in 2026 as part of the Three Castles 50km Ultra weekend. Starting at Little Fant Farm near Maidstone and finishing in Tonbridge, the course follows the River Me..

The Three Castles 50km Ultra Marathon is a scenic race held in Kent, England, starting in Rochester and finishing at Tonbridge athletics track. The flat course follows the River Medway, passing three medieval castles, charming villages, and..

Beat The Sunset 50KM is a flat, single lap ultramarathon along the Thames Path and Jubilee River near Maidenhead, mostly off road with four aid stations. Enjoy a scenic late afternoon run with chip timing, mementoes and live tracking.

Take on the Ridgeway Challenge, an 86 mile point to point trail race along Britain’s ancient Ridgeway from Ivinghoe Beacon to Avebury. Tackle the full route in 28 hours for a true long distance test across rolling chalk downland and prehist..

The Circuit du Sore Legs is an annual running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Now in its sixth year, it offers a unique challenge of completing various distances on a 400-meter athletics track, in..

Run the scenic Southampton Common, winding through woodland, ponds and parkland with half marathon, 10K, 5K and junior races. Enjoy marshalled routes, a lively event village with food and partner stalls and optional event T shirt.

Join a guided trail half marathon through the scenic Surrey Hills, starting and finishing in Guildford with climbs past St Martha's Hill and stretches of the North Downs Way. Run as a friendly group not a race, led by an experienced ultra r..