Trail Running calendar near Broomfield 2026-2027

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..

Looped 50 km, 25 km and 10 km routes start and finish at Windsor Racecourse, running through the Great Park, Runnymede and along the Thames Path. The event provides signed routes, GPS tracking, covered rest stops, medical support and finish..

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 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.

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.

A combined entry for four Centurion Running 100 mile events across 2027, covering Thames Path, South Downs Way, North Downs Way and Autumn 100. Entries open 31 May 2026 with a minimum age of 20 on 1 May 2027.

A marked 100 mile point-to-point race along the Thames Path from Richmond to Oxford, with a 30 hour cut-off, at least twelve aid stations and mandatory kit. Pacers allowed from mile 51 and entries open 31 May 2026.

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.

A 5 km Pretty Muddy obstacle course at Norfolk Showground with a mix of paths and grass, staggered wave starts every 15 minutes and an age limit of 13 and over. The event supports fundraising for Cancer Research UK.

A two day two person team self-supported navigation and endurance challenge based at Newlands Corner in the Surrey Hills. Teams carry their own camping and food and score points by visiting virtual controls during timed sessions on both day..

Shires and Spires is a Naseby based running event with routes on roads and trails that change direction each year, offering distances from a 10K up to a 35 mile ultra and charity entry options.

A road marathon and half marathon based at Suffolk Running Centre near Bury St Edmunds, using measured routes with aid stations every 10 km. Entries include parking and a bespoke finisher medal; the event is cupless so bring your own bottle..

A 30th anniversary road marathon organised by Halstead Road Runners, set on scenic low traffic roads in North Essex. The event supports local charities, forms part of the Essex championships and limits entries to 500.

Race for Life at Weald Country Park in Brentwood features 3k, 5k and 10k routes across grass and woodland trails. The 10k is two laps of the 5k course and the event is chip timed.

A Star Wars 50th Anniversary weekend on 5 and 6 June 2027 at Caldecotte, Milton Keynes featuring marathon and half marathon races around Caldecotte Lake, unique finisher medals, on-course water and toilets, and time limits for each race.

A riverside trail event at Remenham Farm in Henley-on-Thames offering a Half Marathon, 10K and a Junior Race for under 11s, with chip timing, medals, free photos and an event village.

A 100 kilometre trail ultramarathon on 9 May 2026 around the Chiltern Hills, following an anticlockwise loop past Ashridge, The Ridgeway and Whiteleaf Hill. Fully marked route with GPS tracking and several staffed aid stations.