Borders 8-hour Challenge (NU Limits Running)
Newcastleton, United Kingdom • 5 Sep 2026
Event details
The Borders 8-hour Challenge takes place on 05 September 2026. Participants complete as many 4.366 mile loops as possible within an eight-hour race window. The route uses trail paths around Borders Forest Park and includes about 480 ft of ascent per lap. A GPX file is available for the full route details. Runners receive an electronic wristband that records each lap and lap time.
Distances and equivalents
- 3 laps = Half Marathon
- 6 laps = Full Marathon
- 7+ laps = Ultra Marathon
Logistics and rules
The timing system uses HuTags on velcro straps to record lap starts and finishes; runners must check out with the timing partner at race end to finalise results. Tags should not be covered and runners should avoid congregating at the start area after finishing a lap. Basecamp provides kit storage, two outdoor gazebos and an indoor hall, and an onsite catering service. Organisers do not accept liability for lost kit.
Mandatory kit includes sufficient nutrition and hydration (minimum 500 ml fluid per hour and 60-90 g carbohydrates per hour), appropriate weather clothing, dry clothes for after the event, a mobile phone, and a headtorch. Parking is charged at £5 per day and £15 per night for overnight campervans, with overnight water and toilet access. Entry fee listed until 02 Sep 2026 is £44.95. Refunds and transfers follow specific time limits before the event. Total places: 200. Visit the organization's website for the most recent information.