Trail Running calendar near Newmarket 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.

Explore Northamptonshire on the Shires and Spires Anti Clockwise Edition, offering 10K up to a 35 mile ultra across scenic roads and trails. Waymarked routes, checkpoints and GPS support make this a great test of stamina and navigation.

Join the Oliver Fisher 10k, 5k and junior run at Milton Creek Country Park for a scenic off road race supporting the Oliver Fisher Special Care Baby Trust. Enjoy park views, medals and fundraising for the neonatal unit.

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..

The Reigate Priory Park 10K is a scenic charity fun run held in Priory Park, Reigate, Surrey. The course features a 250-meter start plus four laps on an accurately measured, gently undulating cross-country terrain surrounded by lush greener..

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.

Join a scenic 26.2 mile marathon in Richmond Park over three laps of the Tamsin Trail and park perimeter. A 3 mile kids challenge follows, with on course drink stations and medical support for a safe, memorable morning.

The Castle Trails 30km is a scenic point-to-point trail race in Kent, launching in 2026 as part of the Three Castles 50km Ultra weekend. Starting at Little Fant Farm near Maidstone and finishing in Tonbridge, the course follows the River Me..

Beat The Sunset 50km in Maidenhead is mainly off road, a flat single lap along the Thames Path and Jubilee River for a scenic ultramarathon. Chip timing, live tracking, feed stations and a finisher medal make it welcoming.

The Three Castles 50km Ultra Marathon is a scenic race held in Kent, England, starting in Rochester and finishing at Tonbridge athletics track. The flat course follows the River Medway, passing three medieval castles, charming villages, and..

Take on the Ridgeway Challenge, an 86 mile point to point trail race along Britain’s ancient Ridgeway from Ivinghoe Beacon to Avebury. Tackle the full route in 28 hours for a true long distance test across rolling chalk downland and prehist..

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..

Join the Griffin Challenge at Braybrooke Taproom on 3 June 2026, a six hour looped event on the Griffin Trail where runners, walkers and hikers do as many laps as they like. Celebrate after with coffee, pastries and a cold beer.

Event overview The event takes place on Friday, 05 June 2026 as a 7 hour timed challenge. Participants may run any distance they choose within the time limit. The minimum distance to be an official finisher is 3 km. The normal lap length is..

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..