Trail Running calendar near Harwell 2025-2026

Join the Ross on Wye Riverbank Run on 6 September 2026 for scenic multi terrain 5k, 10k and a family fun 500m along the River Wye. Flat, fast course, chip timing and medals for all finishers make it perfect for racers and families alike.

Join Carnival Chase at Warminster Town Park on 6 Sep 2026 for friendly 10K, 3K and family 1.2K wheelchair and buggy runs around the boating lake and scenic lanes. Medals for all finishers and refreshments. Enter by 1 Sep.

The Beast is a challenging trail race of around 13 miles through Corfe Castle Common, with undulating terrain and stunning coastal path views toward Worth Matravers. Enjoy water stations on course and a unique finisher t shirt.

Woodchester Trail Challenge on 6 September 2026 is a demanding eight mile hilly woodland run through Woodchester Park with a new start and route. Expect a metal finisher medal and a strict two hour cut off.

Join a guided 10 km trail run from Silent Pool, exploring the North Downs, Netley Heath and picturesque Shere. Led by an experienced coach with gear trials and sunset or headtorch night editions, it is social and not a race.

Run or walk the Thames Path over a festival weekend with routes from a 10K up to 100 km, following the towpath from Putney to Henley on Thames. Supported aid stations, optional camping and a Henley 10K make for a scenic, social challenge.

Take on three scenic fell races on the Isle of Wight on 12 and 13 September 2026, with finishes on Ventnor school playing fields. Part of the island championship and SEAA series, this event serves up coastal views, steep climbs and a real f..

Run 10k, 21k or 42k through the Surrey Hills on 12 September 2026, starting at Shere Recreation Ground. Scenic, multi terrain routes with big views, chip timed results, on course support and a lively event village for finishers and fans.

Ventnor Horseshoe on Sat 12 Sep 2026 offers a scenic but testing 12 km fell course around Ventnor with 443 m of climb. Part of the Isle of Wight Fell Series, it is perfect for runners seeking a tough coastal hill challenge.

Start the IOW Fell Running Series with St Boniface Fell in Ventnor on Sat 12 Sep 2026, a punchy 3.9 km race with 235 m of climbing across scenic Isle of Wight terrain. Pre entry or on the day entries welcome.

Join the Farnham Pilgrim Half or Marathon on 13 September 2026 for scenic runs through the Surrey Hills on mainly off road trails. With frequent aid stations, free parking and strong marshal support, entries are limited so book early.

Join the Alf Shrubb Memorial in Slinfold on 13 September 2026 for scenic trail 10k and 5k races plus kids events. Adult races are chip timed, finishers get a replica world record medal and proceeds support local village causes.

Run a scenic trail half marathon through Richmond Park, starting and finishing at Sheen Gate and winding past White Lodge, Ham Gate Pond and wooded trails. UK Athletics affiliated with limited entries and on course support for a memorable a..

Tackle the Wroxall Round on 13 September 2026, a scenic 21.1 km fell run around Ventnor with about 487 m of ascent. Open to adults, with on the day entries and team places, this is race 3 of the Isle of Wight Fell Running Series.

Take on a 50 mile single loop through the Chiltern Hills with about 5600 ft of climbing across mostly trail. Starts and finishes in Goring on Thames on 19 September 2026 with aid stations, marked course and a finisher medal.

Race 47 miles along the Cotswold Way from Chipping Campden to Painswick, traversing the rolling hills of the Cotswolds Area of Outstanding Natural Beauty. This licensed continuous trail challenge runs under UK Athletics and TRA rules.

Take on approximately 102 miles of the Cotswold Way from Chipping Campden to Bath, over varied terrain and significant climbs. Fully supported with feed stations, live tracking and a finish buckle for successful finishers.

Run the Bradenham Blast on 20 September 2026 at Manor Farm, High Wycombe, with 5 km, 10 km and half marathon routes through beech woodland and rolling trails. Enjoy a hilly, scenic challenge with an eco finisher medal and a tree planted for..

BigSky Trails on 20 Sept 2026 invites runners to airy high New Forest routes as the finale of the Classic Element series. Pick 18 miles, marathon or 50k ultramarathon across open plains and winding woods on fully marked, marshalled routes.

Enjoy a scenic trail half marathon or country 5 Miler around Clipston, supporting the village recreation ground. Finishers get a medal and homemade cake, with country paths, farm views and a friendly village atmosphere.