The Northumbrian | 50K Ultra Trail Run
This is the ultimate triathlon. Individuals and teams will conquer the beautiful waters, forests and terrain that give Northumberland and Kielder its unique character.
Sign up for £63-£65
Enter now- Sun 28 Jun 2026
08:45
Age 20 & over
£63-£65
- 48 km trail running
Event overview
Do you have what it takes to conquer The Northumbrian?
Kielder Forest including the largest man-made lake in Northern Europe, Kielder Water, is a vast expanse of pine forest and hard-packed trails, stretching up to the Scottish Border and is the perfect staging ground for an ultra-distance triathlon.
This event is part of The Northumbrian.
Event details
- Average fitness
- Event village
- Free venue entry
- Spectators
- Teams
- Traders at event
Route
- Bone conducting headphones only
- Check points
- Cut off time
- Distance markers
- Entertainment
- First aid
- Marshals
- No headphones
- Partly closed roads
- Toilets
- Water stations
- Way markers
Location
- Accommodation
- Bar
- Cafe
- Free parking
- Music
- Restaurant
- Rural
- Secure bag storage
- Toilets
What's included
- Chip timing
- Goody bag
- Medal
- T-shirt
How to enter
- Age 20 & over
- Entries open
- Enter online
- Event merch available
- Race pack by post
Other races at event
- Sun 28 Jun
- #1 of 5
06:15
Age 18 & over
£330-£350
- 2.4 miles lake swimming
- 112 miles road cycling
- 26.2 miles trail running
- Sun 28 Jun
- #2 of 5
06:15
Age 18 & over
£215-£230
- 1.2 miles lake swimming
- 56 miles road cycling
- 13.1 miles trail running
- Sun 28 Jun
- #3 of 5
06:15
Age 18 & over
£165
- 1.2 miles lake swimming
- 56 miles road cycling
- Sun 28 Jun
- #4 of 5
08:45
Age 18 & over
£38-£40
- 27.6 km trail running