Trail Running calendar near Grantchester 2026-2027

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 10K held within Sandringham Estate on 12 June 2026, combining trail and road sections with chip timing, a finisher medal and a water station at about 5 km. Runners must be 16 or older and the event follows UK Athletics rules.

A flexible 7-hour timed run along the River Thames. Choose your own distance from 3 km to ultra marathon on a signed, mixed-surface course. All finishers get a medal and goody bag.

Explore the scenic Nene Valley trails on a 10 or 20 mile off road run. Camping is available at the start in Fotheringhay. The event encourages eco friendly practices, including bringing your own cup for the aid stations.

Trail runs circling the scenic Bewl Water reservoir in Kent. Choose from four distances, from 10km to a 50km ultra, on a mix of woodland paths and quiet lanes. The event features chip timing, stocked checkpoints, and finisher medals.

Choose your distance at this flexible timed event along the flat Thames towpath. Run from 5k to an ultra within a 7-hour window and earn a unique finisher's medal. With a 1.5-hour start window, you can begin your run at a time that suits yo..

A multi terrain 5 km race at Blackpit Farm near Silverstone featuring woodlands, lakeside lawns and farmland. Finishers receive a bespoke medal and free parking is available at Blackpit Brewery.

Two fully signed Capital Ring routes in London offering a 55 km ultra and a 25 km trail, finishing in Richmond upon Thames. GPX files, feed stations, chip timing and medical support are provided, with enforced cut off times and age limits.

A point-to-point trail event on the Three Shires Way offering a 50 mile ultra and a marathon through Bucks Beds and Northants, with GPX routes, checkpoint support, mandatory kit requirements, prizes and charity donations.

Take on the Phoenix Centaur 100 Mile Ultra at Denbies Wine Estate, a flatish 1 mile off road loop with multiple distance options across the weekend. Enjoy central aid, chip timing and a Centaur medal and buckle for 100 mile finishers.

Run a marathon or half marathon at Denbies Wine Estate on 20 June 2026, tackling a scenic off road loop through the vineyards. Choose attended or virtual entry, enjoy chip timing and a collectible community medal while places remain limited..

Join the Phoenix Hydra 75 Mile Ultra at Denbies Wine Estate in Dorking for a scenic 1 mile off road loop with chip timing and a staffed aid station. Distances run from 12 hour to 100 miles and all entrants receive a free memento.

Run the Maldon Ultras on 20 and 21 June 2026 in Maldon, with 100 mile, 50 mile and 30 mile lapped races across fields, woodland and vineyards with estuary views. Small fields and scenic off road laps make for a friendly yet fierce ultra.

The NoMad Ultra in Derbyshire offers a scenic 50-mile or 50 km trail challenge, plus a team relay. The route follows the marked Derby Nomad trail through varied terrain. It's a self-supported event with GPS tracking, checkpoints, and trophy..

The Shadwell 10K is a scenic multi-terrain race through local footpaths. Starting and finishing at the primary school, this event offers marshalled support and on-site facilities for runners aged 15 and over.

A 21.2 km trail race across the National Trust's Dunstable Downs with about 450 m of ascent, waymarked routes and on course aid. Entry is limited to 300 runners with a 4 hour time limit.

The Martian Race is a trail run on historic Horsell Common, passing the sandpits from H.G. Wells' 'War of the Worlds'. Organized by volunteers, all proceeds go to local charities. It offers distances from 2k to 21k on a scenic, ecologically..

A multi-terrain 10 km event at Twisted Tree Brewery on the private Tusmore Estate in Bicester, with standard and canicross 10 km options. Entry is £32 plus fees and entries close 17 June 2026; finishers receive a medal and a drink.

The Herts Hobble offers a choice of 26 or 18-mile circular routes through the undulating countryside of North West Hertfordshire. Starting from Baldock, the cross-country event includes checkpoint refreshments and a finish line meal. All fi..

A chip-timed trail running event in Trent Country Park, Enfield, offering a 10 km senior race plus junior and kids races, with race photographs provided and specific safety and age rules for participants.