Trail Running calendar near Brill 2026-2027

A community 5k obstacle event at Cassiobury Park where participants climb, crawl and slide around a largely flat, mixed terrain course. Waves run every 15 minutes and the event supports Cancer Research UK fundraising.

A 5k obstacle run at Willen Lake, Milton Keynes, part of Cancer Research UK’s Race for Life. Staggered wave starts, a minimum age of 13, on-site facilities and event accessibility support are provided.

Pretty Muddy 5 km at Markeaton Park is an obstacle course of climbs, crawls and slides completed at each participant's own pace. Waves run every 15 minutes, participants must be 13 or older, and a medal and fundraising pack are provided.

An obstacle 5k through Prospect Park, Reading on Saturday 06 Jun 2026, featuring climbing, crawling and sliding across grass, slopes and woodland. The event lists entry fees, a minimum fundraising target and on-site facilities plus a finish..

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.

A narrative, self‑navigated trail race of about 7 miles at the Chignal Fete on 06 June 2026, held under UK Athletics rules with a written route description and no course markings.

Races in Bath run along the Two Tunnels shared path, passing the Devonshire Tunnel 408 m and Combe Down Tunnel 1,672 m. Distances range from 500 m fun runs to a 50 km ultra with relay and multiple route options.

Trail running at Wendover Woods on 7 June 2026 offering a half marathon, a 10k and a junior run on hilly forest trails with route maps, an on site cafe and spectator attractions.

A 7 km BS Category fell race around Coombe Hill in Wendover with 220 m of ascent and a steep climb and descent. Entry includes a free pint and a reduced rate for Fell Running Association members.

Trail races at Alice Holt Forest near Farnham offering 10 km and half marathon courses with live chip timing, finisher medal and canicross friendly entries.

Experience a 10k run through the National Trust Brockhampton Estate. This limited entry event features a hilly course with views and welcomes cani cross participants.

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.

Race for Life Reading at Prospect Park on 07 Jun 2026 offers 3k, 5k and a 10k double lap on mainly grassy, undulating terrain with woodland sections and chip timing. A minimum fundraising target of £50 applies.

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 midweek summer evening *10 km* trail race through Moors Valley Country Park & Forest near Ringwood, featuring marked woodland trails, chip timing, aid stations and eco-friendly measures. Canicross options and on-site paid parking are avai..

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 challenge in Egham on 12 June 2026 where runners choose their distance from a 3 km minimum to ultra distances. The signed Thames-side course offers medals, goody bags, distance pins and on-course aid.

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.

Scenic 10 and 20 mile off road trail races around Fotheringhay on 13 June 2026, with camping available and marked, marshalled courses. Participants are asked to bring a cup or water bottle to support eco friendly practices.

A 100 mile non stop foot race along the South Downs Way from near Winchester to Eastbourne, with 12 aid stations, full medical support and a 30 hour cut off. Mandatory kit, pacing and crew rules apply and qualification is required.