Trail Running calendar near Caldecotte Lake 2026-2027

A guided 18 mile trail run on the Malvern Hills meeting at North Quarry Car Park in Great Malvern. The ridge route includes over 1300 m of ascent and a social group pace of about 10 minutes per mile.

A 50K trail ultramarathon across the Chiltern Hills from Berkhamsted Castle to Hampden Meadow, routed via Ashridge, Ivinghoe Beacon, Coombe Hill and Whiteleaf Hill. Fully marked course, three checkpoints and a nine hour cutoff.

The Inflatable 5K at Donington Park on 17 April 2027 is a lap-based inflatable obstacle run with giant slides, tunnels and five music zones. Distances range from 2.5 km to 15 km and include hydration, medical cover and a finisher medal.

Windsor 50 is a supported trail event from Windsor Racecourse offering 50 km, 25 km and 10 km looped routes through the Great Park, past Windsor Castle and along the Thames Path, with rest stops, medical teams and GPS tracking.

A guided trail marathon of 42.2 km through the Chiltern Hills, including parts of the Ridgeway and Wendover Woods. English Athletics qualified leaders provide navigation and support, with refreshment stops and a wooden finisher's medal.

Three days of races across East Grinstead, Haywards Heath and Burgess Hill with 10 mile and 10k events, a chip timed mile, family fun runs and options for a combined full marathon or a virtual marathon.

A scenic 10k trail race through the Nene Valley on Sunday 18 April 2027, starting and finishing at KC Active in Kings Cliffe. Entry is via SiEntries with a £22 fee and a minimum age of 16.

Ibstone Circle on 18 April 2027 offers multi-terrain 5 km and 10 km routes through Wormsley Estate with a steep section called the Ibstone Kicker, plus a children s Run In Colour with 1 km and 2 km options.

A trail running event at Elvaston Castle Country Park with three measured off-road distances, riverside and woodland routes, marked course, aid stations and chip timing.

A multi-distance canal and riverside ultraseries based at Streatley-on-Thames, featuring TR250, TR150 and TR100 with GPS tracking, checkpoint support and required navigation using provided GPX files and maps.

An inflatable obstacle course event in St Albans on 24 April 2027 offering 2.5k, 5k, 10k and 15k options with multiple inflatables, five music zones and a finisher medal. No timing and family friendly.

Malvern Hills Trail Half Marathon is a 13 mile offroad race on 24 April 2027 across woodlands, fields and a ridge near Wynd's Point, with three aid stations, staffed checkpoints and a timed, signposted route; places are limited.

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..

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.

A multi distance road event at Suffolk Running Centre on 25 April 2027 offering 5k, 10k, half and full marathon on scenic measured routes. Aid stations are placed every 10k and the event is cupless so runners use their own bottles.

Out-and-back trail event from Abberley Village Hall with 23, 31, 38 and 47 mile options; the full route includes about 2,941 m ascent, GPX navigation is provided and checkpoints enforce a 13 hour maximum time.

A five mile off road race through woods and farmland around Hurstbourne Tarrant in the North Wessex Downs. Organised entirely by volunteers since 2009, the annual event donates all proceeds to local charities.

A Pretty Muddy 5k obstacle course at Lydiard Park on 01 May 2027 featuring mixed paths, hills and muddy obstacles. The event has wave starts, blue badge parking on grass and a minimum fundraising target of £50.

A 100 mile trail race along the Thames Path from Richmond to Oxford on 1 May 2027, with 1900 ft of climb, a 30 hour cut off and a minimum of twelve aid stations. Entries require a qualifying 50 mile finish within 15 hours.

A one day Cotswolds trail event on 2 May 2027 offering six distances from 10K up to a 100KM ultra plus a two person 100KM relay, with feed stations, baggage support and trackers on the ultra routes.