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The one you won't forget 2022 RESULTS ENTER 2023 This is the ULTIMATE Triathlon 2nd July 2023 s
Full Iron Distance
Half Iron Distance
Team Full & Half Iron Distance
About The Northumbrian
Kielder Water and Forest Park

The ultimate endurance test will be open to a limited number of individuals and teams to conquer the beautiful waters, forests and terrain that give Northumberland and Kielder its unique character. The summer of 2023 will welcome the second edition of an event which combines scenery, fortitude, adventure, and achievement. Everything it takes to be recognised as a NORTHUMBRIAN.

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