Trail Running calendar near Caldecotte Lake 2026-2027

A 50km trail ultramarathon through the Chilterns centered at Stonor Park, run as two 25km loops with 4000 ft of climb, five aid stations and full medical support. The event has a nine hour finish limit and medals for all finishers.

Point to point trail races on the South Downs Way offering a 50 mile ultra, a 50 km ultra and a marathon with marked routes, aid stations, coach transfers and an option to plant a tree instead of taking a medal.

Trail races at Stansted Park in Hampshire offer scenic 21.4k, 16.1k and 10k routes through South Downs woodlands and fields, with chip timing and a metal finisher medal for finishers.

Looped 7K and 10K courses in Chalfont St Peter and Gerrards Cross let runners choose distances from a single loop to ultramarathon. Aid stations, marked routes, crew access and medical support are provided, with prizes for top finishers in..

Trail running at Matterley Basin in the South Downs National Park with three route options across chalk downland, woodland and ridgelines. Courses are fully marked, timed and supported with outposts, parking and a finishers medal.

London Lea Valley Ultra 2027 is an ultramarathon organised by London based Camino Ultra on 20 March 2027 in London E15 2HB. The race is part of Camino Ultra's programme which also includes coaching and training resources.

A 32 mile loop around the Black Country on 21 March 2027 at Baggeridge Country Park near Dudley. The route is mostly traffic free with tunnels and three staffed checkpoints, and can be run solo, as a pair or a team of four.

A looped trail event at High Lodge Thetford Forest offering distances from 5k to ultra marathon, lap-based formats, on course aid at the lap point, medal options and refreshments at Oak Lodge. Part of entry fees support forest upkeep.

Seven consecutive days of timed running on certified out and back routes along the River Thames in Walton on Thames. Distances from 5 km to ultra are available and finishers earn daily mementos plus a seven day lantern medal set.

A two lap multi terrain 10 km trail race on Easter Monday around Mortimer Fairground and local woodlands, with a canicross option, chip timing, medal and free race photos. The undulating course is not suitable for pushchairs or wheelchairs.

A 40 or 50 mile trail ultra along the Testway from Linkenholt to Totton in Southampton, with aid stations every 10 miles, marshals and medical support. A shuttle option is available for an extra £10 and there is a 14 hour cutoff.

A circular Half Marathon through Thetford Forest on mixed hard-packed and grassy trails, manually timed and traffic free. The event is cupless, offers optional eco friendly medals and podium trophies, and has a 3.5 hour cut-off.

Scenic mixed terrain races along the Thames at Remenham Farm in Henley on Thames. Options include a Half Marathon, a 10K and a Junior Race with marked trails, marshals, chip timing and post race goodies.

A 54 mile circular ultra and a 26.2 mile marathon from Brixworth Country Park through Northamptonshire trails, canal towpath and roads, with checkpoints, GeoTracks real time tracking and an over 18 age limit.

Inflatable 5K returns to Huntingdon with giant inflatable obstacles, music zones and multiple distances to choose from. Distances include 2.5k, 5k, 10k and 15k, with a finisher's medal, on-course water and event photography.

A 26.2 mile section of the Rose of the Shires Ultra, the Rosebud Marathon runs across Northamptonshire trails, roads and canal towpath with two staffed checkpoints and GPS tracking provided.

An out and back ultra on the traffic free Brampton Valley Way that pairs Market Harborough and Northampton in a county competition, covering 45 km with timing mats at both ends, aid stations, tunnels and a seven hour cut off.

A running festival at Haughley Park, Suffolk with looped courses through pathways and woodland, onsite parking, lap aid station and bespoke finisher medals. Distances range from 5k to ultra marathon.

Forest trail runs at High Lodge in Thetford Forest on 11 April 2027 with 5 km, 10 km and a new half marathon options. The chip timed event is fully supported and all finishers receive a medal, merchandise, snack and drink.

A trail weekend at Cowdray Estate, West Sussex offering five distances from 12 km to 110 km, low technical difficulty, an event village with expo, and optional camping and race support.