Trail Running calendar near Grafham Water 2026-2027

A woodland trail relay at Culden Faw Estate near Henley on Thames offering solo, pair and team entries with camping available. The course uses estate tracks, features a climb before 3 km and is chip timed with live lap splits.

A four leg stage trail relay along the Roach Valley Way covering 23 miles in total. Teams of four navigate by maps and way markers while proceeds support Havens Hospices.

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..

A muddy obstacle course at the Secret Nuclear Bunker Estate in Essex, Nuclear Rush offers 6 km and 12 km routes with dozens of obstacles, chip timing, signature features like the Deathslide, and family race options.

An untimed inflatable obstacle run in Guildford on 8 May 2027 with giant inflatables and music zones. Distances from 2.5 km to 15 km, family friendly, with medals, onsite facilities and group discounts.

A two day trail running festival at Deene Park Estate near Corby with three standalone challenges and a combined 56.1 km Quest, varied terrain, medals for finishers and festival activities.

A multi-terrain running event around Naseby Village Hall in Northamptonshire offering multiple distances from 10K to a 35 mile ultra. Routes change direction each year and include roads, trails, and local historic landmarks.

Road marathon and half at Suffolk Running Centre using the Kirtling and Windmill routes. Aid stations every 10 km, parking included, and the event is cupless so bring a bottle or cup.

A long-established marathon in North Essex organised by Halstead Road Runners, set on scenic low-traffic roads and part of the Essex Road Running Championships. The event has a 500-runner limit, supports local charities and holds a course m..

A guided 30 km trail run in the Chiltern Hills with checkpoint support, trail technique instruction and a finisher’s medal. The event starts from the Iron Room near Tring Station with group pacing and bag storage.

A 7.5 mile clockwise circuit around Carsington Reservoir with waterside views, a bespoke finisher medal and technical t shirt options; open to entrants aged 16 and over with an entry limit and specified online fees.

A 50k ultra through Nottinghamshire villages that uses footpaths, bridleways, tracks and minor roads. The route starts and finishes at Milestone Brewery, includes checkpoints every 6 to 8 miles and post-race food and tap room access.

A Pretty Muddy 5k obstacle course at Braunstone Park on 15 May 2027 combining grass and path with climbs, crawls and slides. Waves start every 15 minutes, participants must be 13 or older and there is a minimum fundraising target of £50.

A Trifecta obstacle-course weekend in Henley on Thames featuring Sprint, Super and Beast races plus a kids race along the riverside and town landmarks. Events list 20 to 30 obstacles and show a 4.7 participant rating.

An inflatable obstacle course and fun run at Brands Hatch with 2.5 km laps that can be combined into 5k, 10k or 15k. Family friendly with medals, music zones, hydration, on-site food and paid parking.

Point-to-point ultra along the North Essex and South Suffolk coast offering 100 mile, 50 mile and 50 km options with GPX navigation, manned aid stations and on-course tracking.

A 50 mile point to point on the North Downs Way from Farnham to Knockholt Pound, with 5,600 ft of climb and around 80% trail. The race has a 13 hour limit, six aid stations, no pacers or crew, and a 300 runner cap.

Several distances are available: 5k, 10k and 20k routes around Deddington. The event is open to all ages and organised to raise funds for Deddington Primary School PTA, Deddington PFSU and the Firefighters Charity via Deddington Fire Statio..

A last-person-standing backyard ultra in the Lincolnshire Wolds: runners repeat a 4.167 mile off-road loop each hour with a bell, continuing until one runner completes a solo lap. Entry is limited to 100 competitors.