Trail Running calendar near Buckingham 2025-2026

Take on the Chiltern Hills 100K, a scenic but testing ultra with over 1800m of climb through Ridgeway and Ashridge landscapes. Limited to 250, this TRA licensed UTMB index race combines marked trails and excellent support.

Run to the Sea Brighton is a point to point 50 km ultramarathon from Christs Hospital to Hove Lawns, taking in trails, rolling downs and a seaside finish. Fully signed route, aid stations and pro medical support make for a scenic coast boun..

The Collingbourne Races, held at Crawlboys Farm in Ludgershall, offer a scenic off-road running experience through the beautiful Collingbourne woods. Featuring a half marathon and a 10km race, the course includes bridle paths, woodland trac..

Join a friendly, inclusive weekend of trail running and festival fun at scenic Deene Park near Corby on May 9 and 10 2026. Pick from short loops, an evening 10k, a hilly half marathon or the full challenge, with medals for all finishers.

The Goring Gap Trails event, held in Mapledurham near Reading, offers a variety of running and walking challenges, including a 50-mile ultra, a 52K ultra, and a half marathon, alongside walking options of half marathon, full marathon, and a..

Join the Ridgeway 40 on May 9 2026 for a scenic 40 mile walk along the Ridgeway across chalk downland. Limited entries and checkpoint support make this a rewarding challenge for prepared walkers.

Celebrate the 30th Halstead & Essex Marathon in May 2026, a scenic road race through rolling hills, woods and farmland around Halstead. Expect low traffic roads and friendly club support for a classic Essex running challenge.

Explore Northamptonshire on the Shires and Spires Anti Clockwise Edition, offering 10K up to a 35 mile ultra across scenic roads and trails. Waymarked routes, checkpoints and GPS support make this a great test of stamina and navigation.

The Zig Zag Marathon and Half Marathon take place at the Suffolk Running Centre in Bury St Edmunds, UK. The marathon follows the officially measured, scenic Kirtling Route, which is fully on road and mildly undulating, while the half marath..

Take on the Greenway Challenge in Letchworth Garden City: a self guided 13 mile clockwise run starting and finishing at Standalone Farm. Enjoy marshalled crossings, a wooden medal, and cake at the finish while supporting Headway Herts.

Take on the Midhurst Milers Cocking 10k Trail, a scenic but challenging 10k across the South Downs with a steady climb and a fast downhill finish. Licensed and chip timed with medals, prizes and a lively race village.

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.

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.

Tackle the Merrell Cannock Chase Challenge on 16 May 2026 at Tackeroo Campsite with 10 km, half or full marathon over scenic off road trails. Limited to 500 entries, enjoy rolling terrain, aid stations, free parking and a finisher medal.

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.

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.

Grim Reaper Running Festival at Grimsthorpe Castle Estate on 23 and 24 May 2026 features races from 10 to 100 miles and a 100 mile team relay. Camp on site and run a scenic 10 mile loop through ancient woodland and lakeside trails.

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.