Trail Running calendar near Swanton Morley 2025-2026

Celebrate the 30th Halstead & Essex Marathon in May 2026, a scenic road race through rolling hills, woods and farmland around Halstead. Expect low traffic roads and friendly club support for a classic Essex running challenge.

The Zig Zag Marathon and Half Marathon take place at the Suffolk Running Centre in Bury St Edmunds, UK. The marathon follows the officially measured, scenic Kirtling Route, which is fully on road and mildly undulating, while the half marath..

Take on the Greenway Challenge in Letchworth Garden City: a self guided 13 mile clockwise run starting and finishing at Standalone Farm. Enjoy marshalled crossings, a wooden medal, and cake at the finish while supporting Headway Herts.

Five Rivers Ultra is a scenic point to point ultramarathon circumnavigating five coastal estuaries between Suffolk and Essex and finishing in Harwich. Choose 100 mile, 50 mile or 50 km routes mostly on grass and trail with GPX navigation an..

Grim Reaper Running Festival at Grimsthorpe Castle Estate on 23 and 24 May 2026 features races from 10 to 100 miles and a 100 mile team relay. Camp on site and run a scenic 10 mile loop through ancient woodland and lakeside trails.

Farmmageddon is an endurance weekend at Hyde Hall Farm offering looped trail racing on a scenic 5.3 km course. Choose from timed challenges up to a 100 mile two day event with buckle and medal rewards for finishers.

The Circuit du Sore Legs is a unique running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Participants run on a traffic-free 400-meter athletics track, with distances ranging from 5k to a 6-hour challenge, inc..

The Sundowner Marathon is a unique running event held in Purleigh, Chelmsford, England, featuring a scenic course that passes along canals, over waterfalls, through vineyards, woodlands, and coastal saltmarshes. This marathon offers a disti..

Run the clock at Suffolk Back Yard Ultra Festival in Thetford Forest, completing a 4.167 mile loop each hour until one runner remains to win £1,000. Expect forest trails, on site camping, hot food and a lively community vibe.

The Valley of the Owls Run, organized by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, Suffolk. The scenic course passes through the village of Ousden, known as the Valley of the Owls, featuring some of Engl..

Run through rivers, bluebell woodlands and fields at the Nene Valley Trail Run on 13 June 2026 in Fotheringhay. Choose 10 or 20 mile routes, camp onsite and help support Kings Cliffe Active with every entry.

The Summer Solstice Challenge - Colchester will take place in Colchester on Sunday 21 June 2026.

Run Sandringham on 21 June 2026 and enjoy scenic 5K and 10K routes through the royal estate, blending trails and quiet roads. Expect chip timing, a bespoke medal, finish goodies and marshals for a polished race day.

Tackle a full marathon over three days at the Colworth Marathon Challenge on the scenic Colworth Estate. Choose one, two or all three races and enjoy free camping, family entertainment and children's races for a festival feel.

Take on farm trail laps at Hyde Hall Farm with distances from 5k to ultra, including a Heavy Half option. On site parking and a bespoke finisher medal make for a friendly, flexible event.

Take on the Full Essex Way Ultra, an 82 mile journey from Epping tube station to Harwich lighthouse across varied trails, tracks and roads. With just 65 places and a 24 hour cut off, this iconic challenge supports Essex Wildlife Trust.

Fen Gallop 2026 is a scenic running event held in Willingham, Cambridgeshire, featuring flat, multi-terrain courses along country roads, footpaths, and bridleways. Participants can choose between a 10K race or a shorter 4-mile option, both..

Join the Bishop's Stortford Mitre on 5 July 2026 for community 10k, 5k and a fun 1K kids race on traffic free country lanes at Jobbers Wood. Support the Mitre Fund and enjoy chip timing, a finisher T shirt or a tree planted in your name.

Ultra:5K Kempston is held at Box End Park, Box End Rd, Kempston MK43 8RQ. The event, scheduled for Sunday 12 July, offers a simple but challenging format: participants run a 5K on the hour, every hour, for five hours. A three-race option is..

Join the Norfolk Festival of Running at Bawsey Country Park for looped sand, gravel and grass trails with distances from 5k to ultra marathon. Small field, lap based courses with on site aid and parking included for a relaxed race day.