Trail Running calendar near Buckinghamshire 2026-2027

A 50 mile trail race along the South Downs Way from Worthing to Eastbourne, featuring about 5700 ft of climb, seven aid stations, mandatory kit checks and a 13 hour limit. The course finishes with a lap of the athletics track.

Centurion Running's 50 Mile Grand Slam 2027 bundles four separate 50 Mile events across 2027, from April to November. Entries open 26 April 2026 and the standard entry fee is £480.

A family-friendly inflatable obstacle event at Huntingdon Racecourse on 10 April 2027. Choose from 2.5k, 5k, 10k or 15k laps on a 2.5 km circuit with inflatables, music zones, an untimed finish and a finisher's medal.

An out-and-back 45 km race along the traffic-free Brampton Valley Way on 11 April 2027 where runners start from either Market Harborough or Northampton to represent their county, pass through two long tunnels and compete for county-based re..

A looped running festival at Haughley Park offering 5k, 10k, half, marathon and ultra distances, with on-course aid, secure on site parking and bespoke finisher medals.

Ultra X Spring Trail Series 2027 offers five trail races from 12km to 110km around Cowdrey Estate in the South Downs National Park. Routes pass greensand hills, river, woodland and lowland heath.

A guided 18 mile trail across the Malvern Hills with over 1300 m of ascent, run at a social pace. Meeting in Great Malvern with parking and nearby train access, cost £39 per person and alcohol free beer may be offered afterwards.

A 50K trail ultra across the Chiltern Hills from Berkhamsted Castle to Hampden Meadow in Wendover, following ridgeline trails with three checkpoints and full route marking. The event includes on course nutrition, chip timing and a nine hour..

A 10k trail race in the Nene Valley countryside starting and finishing at KC Active in Kings Cliffe. The circular route is fully marked and marshalled and includes a staffed aid station.

A multi-terrain running event on 18 April 2027 with 5 km and 10 km courses through Wormsley Estate, a steep Ibstone Kicker, age-specific entry rules and a children’s Run In Colour on Ibstone Common.

A scenic trail run at Elvaston Castle Country Park offering 10.4k, 14.5k and 21.1k distances along woodland, parkland and riverside paths beside the River Derwent. The course is clearly signed, marshalled and includes water stations and a f..

A multi distance canal and riverside ultra series based at Streatley on Thames offering roughly 250, 158 and 98 mile options. Routes use GPX and maps, include GPS tracking and staffed checkpoints with varied facilities.

An untimed inflatable obstacle course at Hertfordshire County Showground on 24 April 2027 offering 2.5k, 5k, 10k and 15k lap options, music zones, water on course, finishers' medals and on-site food vendors.

A blindfolded navigation challenge in Winchester where participants are dropped at unknown locations and must find their way back on foot. Options include 6 miles for visitors and 10 or 15 miles; no maps or GPS and a sealed emergency bag is..

A trail event at St Giles House offering races from junior fun runs to a marathon, virtual entries, camping and a dog option, while supporting the New Forest Marathon Community Fund.

An alternative to the London Marathon at Walton on Thames featuring a UKA certified 3.28 mile lap. Options include full and half marathon or a seven hour timed event, with a 150 mm finish medal for participants.

Trail ultramarathon on the Worcestershire Way offering 23, 31, 38 and 47 mile options with GPX navigation, checkpoint support and Time Lords for pacing. Finishers receive a bespoke medal and commemorative item.

A three day running event over the early May Bank Holiday across East Grinstead, Haywards Heath and Burgess Hill. Options include 10 mile, 10k, mile, fun run and a three day marathon option, plus a virtual marathon choice.

The Hurstbourne 5 will take place in Hurstbourne Tarrant on Saturday 1 May 2027. You can run 5 miles.

A trail event at Lancing Manor Leisure Centre on 2 May 2027 offering Marathon, Half Marathon and a 5 mile trail run across South Downs terrain. Courses include steep hills, regular aid stations and volunteer marshals.