Trail Running calendar near Grantchester 2026-2027

A single-loop 50K trail ultramarathon in the Chilterns on 31 October 2026, starting and finishing in Berkhamsted with marked navigation, three aid stations and a 9 hour time limit.

Join a devilish 6.66 km Halloween trail at Brewery Fields, Great Baddow on 31 October, a fun fancy dress event rather than a race. Limited to 50 places, finishers get a medal, drink and costume prizes and a GPX route is provided.

Run a night trail through Alice Holt Forest on a 5 km loop system. Choose your distance from 5 km, 10 km, or 15 km on wide gravel tracks lit by head torches. After the run, warm up by a fire pit with some food.

Trail races in Wendover Woods, Buckinghamshire offer marathon, half marathon, 10k and a junior 1k on hilly forest trails with mixed terrain, onsite facilities and event medals and photos; there is a six hour cutoff.

An out and back five mile running event in Market Harborough featuring a lit passage through the 422 m Oxendon Tunnel, with separate Night and Dawn runs, on-course first aid, finishers' medals and post-race refreshments.

Join Enigma Fireworks on 6 and 7 November 2026 for marathon and half marathon loops around scenic Caldecotte Lake. Enjoy waterside views, lap support and a bespoke finisher medal to light up your race season.

Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.

A nighttime trail run on the historic Stonor Park estate in the Chiltern Hills. Choose from three courses, from 7 km to 17 km, run under headtorches. The event is plastic-free, so bring your own reusable cup.

Run through the scenic Chilterns from historic Stonor Park. Choose from three trail distances, each with its own challenges and autumn views. The event is dog-friendly and emphasizes a reusable cup policy at its aid stations.

The Dirt Half Challenge is a gold award-winning trail half marathon in Leighton Buzzard. The scenic route mixes canal towpaths, hills, woods, and open countryside. It's known for its supportive atmosphere and volunteer team.

The Seagrave Wolds Challenge is a 16-mile personal journey through the Leicestershire Wolds. It's a non-competitive cross-country event with food stops and legendary apple crumble at the finish. Proceeds support local community charities.

Run through royal Berkshire on a flat trail course this autumn. The Windsor Trail Run offers a choice of a 10k or half marathon distance starting from Alexandra Gardens. Enjoy a chip-timed race with scenic views and post race goodies.

A riverside Time Challenge in Surrey with signed laps, medals from 3 km, distance pins for longer finishes, aid stations and a vegan goody bag option.

Join a Remembrance Sunday trail run in Brightlingsea on 8 Nov 2026 with live Last Post, Reveille and a two minute silence. Traffic free loops offer 10k to marathon and a 6hr timed challenge with on course aid.

Join the Remembrance Run on 8 November 2026 for a scenic timed challenge along the River Thames where you pick your distance from 3 km up to ultra. A two minute silence will be observed and finishers from 3 km receive a medal.

Run for a cause at the MoRun London in Richmond Park. Choose from a 1.5k, 5k, 10k, or half marathon on a scenic, chip-timed course. Every finisher gets a medal while supporting men's health charity Movember.

The Wendover Woods 50 is a 50-mile ultra on forest trails, featuring five challenging 10-mile loops with significant elevation. Runners are fully supported with multiple aid stations and must carry mandatory safety gear for the November con..

Choose a 50km or 100km winter ultramarathon along the beautiful Weavers' Way trail, finishing at Cromer Pier. With time limits of 10 and 19 hours respectively, these challenging events require self-navigation via GPX. The entry includes che..

A 10 km and 1 km event held inside Henham Park on light trail terrain, with chip timing for the 10 km and bespoke medals for all finishers. Charity entry options, race T-shirts, posted race numbers, and on-site toilets, refreshments and fre..

Multi-terrain 5 km and 10 km races in the Chiltern Hills on 15 November 2026, organised by Radnage C of E Primary School PTA with proceeds to the school. Village hall HQ offers a cafe, water stations and first aid on course.