Trail Running Sussex

Scenic Inspiring Trail Running


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A link to the 27th September 2015 HIGH WEALD CHALLENGE 50KM ULTRA TRAIL race results is now available on the Results page. The Results page is also available from the above High Weald Challenge drop-down menu.



Trail Running Sussex was set up by passionate runners, who wanted to expose the ‘Secret of Sussex’ and share with like minded people the scenic inspiring trails that are in abundance within the county of Sussex, which for many are right ‘On Their Doorstep’!

The county of Sussex contains some of the most varied and stunning landscapes in the United Kingdom. From the open chalk grassland and rolling pastures, to ancient woodlands and lush river valleys, Sussex is somewhere special to explore and enjoy, and there is no better way than to don the running shoes, and Head to the Trails!

Trail Running Sussex currently organises two trail racing events each year, consisting of the Weald Challenge Trail Races in May, and the High Weald Challenge 50km Ultra Trail Race in September. In addition Trail Running Sussex also organise Social Runs in association with the Social Ultra Facebook Group which "helps organise and promote Social Ultras for people that want to run long, and people that want to showcase their own favourite routes". Keeping with the philosophy of the Social Ultra Facebook Group our Social Runs are free to run, but we typically also have a choice of a shorter option run of around 19 miles, as well as the longer ultra length ( >26 miles) run, taking place on the same day, all starting together.

The 2014 Weald Challenge Trail Races were very well received by the runners with great feedback received (see the Feedback section on the Gallery webpage). We were also very pleased to see that the trail half marathon was ranked fifth within the Running Fitness Magazine's top half marathons within the UK for 2014.

Running Fitness Magazine Ranking

Also pleasing to see the positive feedback for the 2014 Weald Challenge Trail Half Marathon within the May 2015 issue of Womens Running: "It's the little touches that make this beginner-friendly one-lap trail run through some glorious scenic East Sussex country side a gem".

Running Fitness Magazine Ranking


We at Trail Running Sussex would like to assist you in enjoying the trails of Sussex to their full potential. Please take a look around our website to find out more about our trail races and the social runs that take place during the year. Enjoy, and Head to the Trails!


As part of our shared responsibility to help preserve the natural special qualities of the South Downs and High Weald, in addition to being sensitive to the needs of wildlife, farmers, and farm animals whilst enjoying the trails, Trail Running Sussex donates a small portion of every race entry fee, to the Sussex Wildlife Trust, which is the leading nature conservation organisation within Sussex. The Sussex Wildlife Trust is a registered charity that manages over 4500 acres of nature reserves, as well as running a renowned environmental education programme.


Sussex Wildlife TrustSouth Downs National ParkAshdown ForestVisit Sussex TourismNature EnglandHigh WealdNational TrustSouth Downs Way National Trail


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