Trail Running Calendar South East (England) 2026-2027

A 24-hour relay at Wasing Park, Reading on 6–7 June 2026 with Solo, Pair, and Team entries on an 8 km trail lap, event camping and an event village, plus charity entry options and tiered team pricing.

Backyard Ultra at Chilton Manor Farm in Chilton Candover is a private, sold out backyard ultra on a 6.706 km loop around Godsfield Copse. Runners repeat a 4.16666 mile lap each hour until only one runner completes the next lap.

Run laps through Denbies Wine Estate in the Fire Horse Run, a timed off road challenge on an undulating 5.3 km loop with distances from 5 km to ultra. Pick as many laps as you like within a seven hour window for a flexible, scenic race day.

A muddy 5 km obstacle course at Willen Lake in Milton Keynes with timed waves, a minimum fundraising target and on-site facilities. Open to participants aged 13 and over and organised by Cancer Research UK.

A 5k muddy obstacle event at Prospect Park, Reading where participants climb, crawl and slide over grass, slopes and woodland. Organised by Cancer Research UK, the event includes on-course marshals, a fundraising target and a finishers meda..

Fun Run 2026 at Bruern Farm Estate features trail routes of 2.5 km, 5 km and 5 miles with specific age accompaniment rules, participant medals and post race refreshments at the Bruern Farm Cafe.

The Blended Trails - Backyard Ultra will take place in New Alresford on Saturday 6 June 2026. You can run 7 kilometers.

Coombe Hill Fell Race in Wendover on 7 June 2026 is a 7 km BS Category fell run with a steep climb and 220 m of ascent. Registration is at the Shoulder of Mutton pub and entry includes a post race pint with a reduced fee for FRA members.

Trail running at Alice Holt Forest on 7 June 2026 with 10 km and half marathon options, live chip timing, and canicross permitted; finishers receive a medal, merchandise and refreshments.

A coastal running event from Margate Main Sands with two course options, about 15 miles or a 10k. The route crosses sand, promenade and cliffs through ten bays at low tide, with an event HQ on the beach and nearby seaside amenities.

Timed lap running at Ardingly Reservoir with flexible distance choices from 5 km to ultra, chip timing, aid station and a bespoke finisher medal or lower cost no medal entry.

A community running event at Prospect Park, Reading offering 10k, 5k and 3k routes. The grass course includes slopes and woodland; the 10k is two laps of the 5k and events are chip-timed.

Multi-lap timed event along the Thames in Walton on Thames on 7 June 2026 offering distances from 5 km to ultra. A flat 5.3 km out-and-back course, flexible start window, themed ducky incentives and medal options.

A village running event in Danehill, West Sussex with a 1 km family run plus 5 km and 10 km trail races on an undulating course through the recreation ground and school playing fields. Proceeds are shared among local charities.

A trail half marathon from Chiddingly, Sussex, following the Wealdway and Vanguard Way with two checkpoints and a five hour time limit. Finishers receive a handmade mug and can opt to donate the medal value to Uckfield Foodbank.

A new trail event on 08 Jun 2026 at the Plough and Harrow in Litlington celebrating Multisport Management's 20th anniversary. The self navigated 10 km course runs mainly on footpaths and bridleways with a sweep runner and a non competitive..

A flexible 6-hour timed run along the flat, scenic Jubilee River near Slough. Run as many laps as you like on the 5.24-mile course, with everyone receiving a finisher's medal. The route offers countryside views and a riverside path.

A 7 hour timed event on the River Thames at Wraysbury, where runners choose their distance from a 3 km minimum up to ultra distances with marked laps, aid stations, medals and goody bags.

A flexible Friday run along the Thames. Choose your start time and your distance, from a 5k lap to an ultra. It's a smaller event with a lower fee, but you still get one of the famous Phoenix medals.

A 100 mile non stop race along the South Downs Way from near Winchester to Eastbourne, with 12 aid stations, full medical support and a 30 hour limit. Entry requires a prior 50 mile qualifier within specified times.