Trail Running calendar near Grantchester 2026-2027

A scenic *10 km* trail race on Sunday 18 April 2027 around the Nene Valley, starting and finishing at KC Active in Kings Cliffe. The circular, waymarked route uses farm tracks and disused railway lines and features a staffed aid station.

Ibstone Circle on 18 April 2027 offers multi-terrain 5 km and 10 km routes through Wormsley Estate with a steep section called the Ibstone Kicker, plus a children s Run In Colour with 1 km and 2 km options.

Trail runs at Elvaston Castle Country Park offering 10.4k, 14.5k and 21.1k distances. Routes pass through woodland, parkland and riverside trails along the River Derwent with marked courses, marshals, water stations and chip timing.

A multi-distance canal and riverside ultraseries based at Streatley-on-Thames, featuring TR250, TR150 and TR100 with GPS tracking, checkpoint support and required navigation using provided GPX files and maps.

An inflatable obstacle-course event in St Albans on 24 April 2027, featuring large inflatables, five music zones and multiple lap distances. Family-friendly rules apply, and every finisher receives a medal and goodie bag.

An alternative to the London Marathon at Walton on Thames featuring a UKA certified 3.28 mile lap. Options include full and half marathon or a seven hour timed event, with a 150 mm finish medal for participants.

A multi-distance road event at Suffolk Running Centre on 25 April 2027 offering 5k, 10k, half and full marathon on officially measured scenic routes with aid stations, parking and a bespoke finisher medal.

A 100 mile trail race along the Thames Path from Richmond to Oxford on 1 May 2027, with 1900 ft of climb, a 30 hour cut off and a minimum of twelve aid stations. Entries require a qualifying 50 mile finish within 15 hours.

A one-day trail event in Ilmington offering six distances from 10K to 100KM plus a new two person 100KM relay, with feed stations, baggage support, GPX maps and trackers on the longer routes.

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 guided 12.5 mile trail run around Box Hill that gains about 1000 metres of elevation across woodland, heathland and open fields. Group pace with technical climbs and scrambling and a chance of an alcohol free beer at the finish.

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, self supported navigation challenge in the Surrey Hills based at Newlands Corner. Teams carry all kit and food and score points from virtual controls during two timed sessions across the weekend.

A 50 km point-to-point ultramarathon from Horsham to Brighton seafront across trails and downs, with four feed stations, a fully signed route and a GPS file provided before race day.

Nuclear Rush is a muddy obstacle course at the Secret Nuclear Bunker Estate in Essex offering 6 km and 12 km options with 40+ and 70+ obstacles. Features include the Deathslide, water ziplines, chip timing, finishers medals and support faci..

An inflatable obstacle course event in Guildford on 8 May 2027 offering 2.5k, 5k, 10k and 15k lap options with music zones, on-course water and a finisher's medal, plus family and group entry arrangements.

A two day trail running festival at Deene Park Estate near Corby on 8 and 9 May 2027 offering events from 10k to a 56.1k Quest, medals for finishers and weekend 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.