Trail Running calendar near Grantchester 2026-2027

A traffic-free 13.1 mile circular trail through Thetford Forest featuring hard-packed and grassy paths, wildlife views, cupless water stations, an eco-friendly finisher medal and podium trophies; minimum age 17 and a 3.5 hour cut-off.

Community organised *5k* near Aldershot on Sunday 11 October 2026 with a very flat route on the Polo Fields and Basingstoke Canal towpath, chip timing, a bespoke finisher medal, and a subsidised race t shirt option.

An inflatable obstacle run in Norwich on Saturday 17 October 2026 with giant inflatables, music zones and finisher medals. Distances range from 2.5k to 15k and children 5 to 15 must run with a paying adult.

A 100 mile trail race from Goring & Streatley using Thames Path and Ridgeway routes in four 25 mile out and back spurs. The event has 16 aid stations, full medical support, a 28 hour cut off and mandatory kit and qualifier requirements.

An annual 25 km or 50 km challenge across Kent, Surrey and Sussex footpaths, navigated from written route directions with checkpoints, food included and a ten hour completion objective.

A guided 10 mile trail run in the Chilterns along canals, reservoirs and past Britain’s oldest post windmill, with a trail leader, technique instruction and a finisher’s medal included.

An off-road 10 km through undulating bridle paths and woodland around Westacre, Norfolk, featuring optional obstacles, a ford crossing near the finish, on-site registration, a water point at 5 km, refreshments and a bespoke medal for all en..

Woodland half marathon and 10k at Bedgebury National Pinetum in Kent on 18 October 2026, with traffic-free forest trails, downloadable GPX maps, medals, free photos and limited free parking.

An off‑road cross‑country race in Hardwick, Buckinghamshire, covering about 6 miles across varied terrain and water crossings. Entry is limited to 300 runners, with medals and category prizes including team awards.

Trail runs of 10 km and 5 km around Blackpit Brewery on October 18 2026, using private multi terrain trails through woodlands and estate tracks. Entrants receive a medal, a pint cup and a free drink at the finish.

Ely Tri Club Runfest on 18 October 2026 offers multiple distances from 10 km to a 66 km ultra. Routes are mostly flat and traffic free with course maps, on-course food and drink, and a few obstacles such as steps and stiles.

A point-to-point ultra of about 47 miles along the Thames Path and Ridgeway National Trails, mixing riverside trails and roads with five checkpoints, electronic tracking and a baggage transfer to the finish in Henley-on-Thames.

A 30 mile out and back ultra along the River Stort and Lee navigations on the Hertfordshire Essex border, mostly flat grassy and gravel trail with checkpoints every 5 miles, electronic timing, medals for finishers and trophies for top three..

Pumpkin Plod at Ferry Meadows is a multi-hour lap event on a 5.3 km mixed-surface loop where runners complete as many laps as they choose. Aid is provided each lap and finishers receive an event medal.

A timed, self-supported anti-clockwise loop around Canvey Island starting and finishing at Waterside Farm Leisure Centre, with a pub check at about 10 km, a four hour cut off, and a route mainly on sea wall and coastal paths.

ATW Grafham 5K and 10K take place at Grafham Water Visitors Centre on 25 October 2026. Entry fees range from £24 to £33, the races run alongside the ATW Grafham Duathlon, and camping is available the night before.

An off-road event south of Canterbury offering marathon and half marathon routes across scenic trails and country lanes. Checkpoints, mandatory kit requirements, OpenTracking and Event HQ facilities are provided.

Looped races at Chalfont Park and Chalfont St Peter let runners choose distances from a 7K loop to multi lap ultras. Aid station, clear course marking, crew support and medical cover are provided.

A Halloween themed night run at Irchester Country Park featuring a 5k race and a 2k family fun run, with finishers medals, free event photos and Halloween treats.

A single-loop 50K trail race on 31 October 2026 starting and finishing in Berkhamsted. Fully marked route with three aid stations, about 800 m of ascent, a nine hour time limit and a 350 runner field.