The Northumbrian

Trail Runs : The Northumbrian at Kielder Waterside Park

The Northumbrian trail runs take place on Saturday 27 June 2026 at Kielder Waterside Park and use newly created trails around Kielder. The programme includes two distances that were introduced in 2025 and will run the day before the triathlon events.

Runners start at Kielder Waterside and follow a route that includes a roughly 25 km loop on the new Lonesome Pine trail before joining the triathlon run loop. The final laps pass through the event village and finish at the lake edge. The course descriptions list elevation and actual measured distances for each event.

The races are an UTMB Index event and are licensed by the Trail Running Association. The event will adhere to UK Athletics rules. Cut off durations are set at 4 hours for 20 km, 6 hours for 30 km, and 10 hours for the 50 km finish. Organisers publish a mandatory kit list that includes water carrying capacity, a functioning head torch, waterproof jacket with hood, medical kit, survival bag, whistle, personal ID, reusable cup, and food reserves.

Minimum entry ages are 18 years for the 28 km event and 20 years for the 50 km event. Entry prices and included race services are listed for each distance and include race apparel, electronic chip timing, on course support and nutrition, a medal, and a registration goody bag. Visit the organization's website for the most recent information.

• 50K Ultra 48 km, 675 m elevation
• 28K Trail 27.6 km, 400 m elevation

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