Trail Running calendar near Boreham 2026-2027

The Chiltern Hills 100K is a 100-kilometre ultra marathon on 9 May 2026, traversing a scenic loop of trails through the Chiltern Hills with 1800m of elevation. This UTMB World Series Index Race offers fully marked routes, six stocked aid st..

Run from Horsham to the Brighton seafront in this 50 km point-to-point ultramarathon. Choose the solo challenge or team up for a two-person relay across varied trails and coastal paths. The event offers full support with feed stations and t..

A new ultramarathon festival in Suffolk offers 50 km and 50 mile trail races. The event includes GPS tracking, checkpoint support, and a finish line meal. It is open to runners aged 20 and over, with a focus on inclusivity.

The Run Rabbit Trail Festival offers trail running challenges over a weekend at Deene Park Estate. Runners can choose from 10k, 25k, or half marathon distances or combine all three into a 56k quest. The event features camping and entertainm..

Discover Goring Gap Trails near Reading in early May 2026, offering scenic trail challenges from a 6 mile walk with a river boat crossing to 52K and 50 mile ultras. Multi day camping adds a relaxed festival vibe for runners and walkers alik..

This event on the Thames features 10K, half, and marathon distances on scenic riverside paths. Starting from the Wraysbury Skiff Club, the courses use fully marked out-and-back loops. The area near Runnymede offers beautiful countryside and..

A 5k at Banham Zoo on 9 May 2026 that includes a lap around the zoo and full-day zoo entry. Entry supports conservation, offers a finisher medal and fundraising prizes, with spectator tickets available at set prices.

Experience the twilight beauty of Ardingly Reservoir during this evening run in West Sussex. Choose between a 5K or 10K distance on an undulating trail course featuring scenic water views and a finisher medal.

Celebrating its 30th year in 2026, the Halstead & Essex Marathon is a community-focused event run on scenic country roads in North Essex. Organized by a local running club, it forms part of the Essex Road Running Championships and raises mo..

Shires and Spires is a multi-terrain race through the Northamptonshire countryside, starting from historic Naseby. The event alternates its course direction yearly and offers five distances from a 10K to a 35-mile ultra marathon. Entry incl..

Road marathon and half marathon at Suffolk Running Centre near Bury St Edmunds, using the Kirtling and Windmill routes. Aid stations every 10 km, parking included, cupless policy, bespoke medals and a seven hour marathon cut off.

A fundraising off road 10 km, 5 km and junior run at Milton Creek Country Park on 10 May 2026, supporting the Oliver Fisher Special Care Baby Trust. The event features mapped trail routes, a bespoke medal, prizes and limited free parking.

Run one or two loops through the undulating vineyards of Rathfinny Wine Estate on a carbon neutral trail event that supports the WOLO Foundation and awards recycled slate medals to finishers.

A self-guided 13-mile run along Letchworth's scenic Greenway trail. This is a run, not a race, due to road crossings. Finishers get a wooden medal and refreshments, with profits supporting a local youth mental health charity.

Experience a scenic trail run through the South Downs National Park with hilly climbs and stunning coastal views. Choose from 10k or 20k senior races and dedicated junior distances on a well marshaled course.

Explore the scenic trails and ridge lines of the Chiltern Hills on this guided 30km trail running adventure. This non competitive event features expert lead runners, technique instruction, and full support along the route.

Black to the Trails is a vibrant trail running festival designed to boost ethnic diversity in the sport. Run a 1K, 5K, 10K, or Scotch Bonnet 10K on the beautiful trails of Dunstable Downs. Enjoy a day full of activities, food, and music wit..

The Woodland Woggle is a scenic 6k trail race through Hampton Estate and Puttenham Common. Expect undulating hills, Bluebell woods, and chip timing, with a bespoke medal for every finisher. Ample parking and refreshments are available at th..

Race 2 of the Northants 5K Series heads to West Lodge Farm for a multi-terrain course through fields and nature trails. All finishers collect a unique series medal. The evening event offers free parking, on-site facilities, and food availab..

A summer series of four evening races in Dinton Pastures Country Park. Choose from a flat, off-road 5km or 10km, or a kids' 2km. Enjoy chip timing, a finisher's medal, and the chance to track your progress across the summer months.