Trail Running Calendar South East (England) 2026-2027

A 50 km multi terrain ultramarathon around Maidenhead, run on a single lap route that follows the Thames Path and Jubilee River. The course is mostly off road with four aid stations, chip timing, live tracking and free race photos.

A 50km ultra along the River Medway from Rochester to Tonbridge, mostly on marked towpaths and trails and passing three medieval castles. The event includes three aid stations, live timing, bag transfer and a strict nine hour cut off.

A point to point 30 km trail along the River Medway from Little Fant Farm to Tonbridge, passing East Farleigh, Teston Country Park, Wateringbury and Yalding. The course is fully marked with checkpoints, GPS tracking, provisions and a final..

A 60 km point to point ultramarathon along the Ridgeway National Trail from Ivinghoe Beacon to near Wallingford, featuring open tracking, four aid stations and a 10 hour time allowance. Entries close 17 May 2026.

A Pretty Muddy *5k* obstacle course at Royal Windsor Racecourse featuring climbing, crawling and sliding across grass and tarmac beside the River Thames. Waves run every 15 minutes and participants must be 13 years or older.

A mixed terrain half marathon and 10k in England on 30th May 2026. Routes mix quiet country roads and off road sections, and the event raises money for local good causes.

A camp-based Backyard Ultra at Chilton Manor Farm featuring a repeated loop through private trails, fields and woodland with a high point at Bugmore Hill Trig Point and on-site aid, toilets and course photography.

Community fundraising runs at Dunorlan Park offering 3k and 5k routes over mixed grassy terrain with some inclines. The event supports Cancer Research UK with listed entry prices and a minimum fundraising target of £50.

A guided trail half marathon around the Surrey Hills starting and finishing in Guildford. The 13 miles route features St Martha's Church, Shere and sections of the North Downs Way and is run in a steady group pace with torches and optional..

A timed riverside event on a 5.3 km out and back Thames course where runners choose how many laps to complete within a seven hour limit. Ten pound entry supports the Rays of Sunshine charity and a double sided medal is awarded.

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.

Experience the beauty of Ardingly Reservoir during this relaxed midsummer sunset run. Choose between a 5K or 10K distance on an undulating trail course featuring scenic water views and a fully stocked aid station.

A 5 km muddy obstacle course at Willen Lake on 06 June 2026 where participants climb, crawl and slide through timed waves. Entry fees and a minimum fundraising target apply, with on-site facilities and accessibility support available.

A 5k Pretty Muddy obstacle course at Prospect Park, Reading, featuring grass terrain, steep slopes and woodland sections. Obstacles include climbing, crawling and sliding; participants must be 13 or older and events support Cancer Research..

Trail routes at Bruern Farm Estate on 6 June 2026 include 2.5K, 5K and 5 Mile or 8K with age rules for younger runners; proceeds support the Wychwood Life Centre.

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.