The Northumbrian Full & Half Iron-Distance Triathlon & Trails Runs

Events of the North logo

From Events of the North

  • Date Sun 29th June 2025
  • Time 06:15
  • Location Hexham, Northumberland
  • Price £40.00 - £350.00
  • Races 6 races
  • Distances Iron Distance, Middle Distance / 70.3, Ultra

Top rated

This is a five star event

Event summary

Get ready for an exhilarating experience at The Northumbrian Full & Half Iron-Distance Triathlon & Trails Runs, organized by Events of the North! On Sunday, June 29, 2025, Hexham in Northumberland will come alive as athletes from all over gather to tackle one of the most scenic and challenging endurance events in the UK. Participants can choose between the full and half iron-distance triathlons, set against the breathtaking backdrop of Kielder Water and Forest, renowned for its stunning landscapes and undulating terrain.

In addition to the triathlons, this year's event introduces thrilling trail runs with two exciting distance options: a 20K run and a 50K Ultra. These runs will explore newly created trails that showcase the best views Kielder has to offer, allowing participants to experience the natural beauty of the area while challenging their limits. Whether you're a seasoned triathlete or looking for a new adventure, The Northumbrian promises an unforgettable day filled with camaraderie, achievement, and the spirit of Northumberland. Don’t miss your chance to be part of this incredible event!

Organiser's Description

A full and half iron-distance triathlon in and around the stunning and challenging Kielder Water and Forest.

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 2025 will welcome the fourth year of an event which combines scenery, fortitude, adventure, and achievement.

Everything it takes to be recognised as a NORTHUMBRIAN.

HALF THE DISTANCE, DOESN’T MEAN HALF THE KUDOS
The 70.3 HALF IRON TRI DISTANCE is a huge challenge on any terrain. The Northumbrian is set in and around the beautiful Kielder Water, whose roads and trails known for their undulating nature – this race will not be easy on the legs! Please ensure you are confident in your ability to complete the course before entering.

NEW EXCITING EVENT ADDED - Trail runs 20K and 50K Ultra distances. Taking advantage of newly created trails at Kielder, the Northumbrian 50K Ultra and 20K runs will debut at the 2025 event. Starting at Kielder Waterside while the Northumbrian Triathletes are completing their bike leg, you will join the triathlon run loop after completing a spectacular 25KM loop taking in the new Lonesome Pine trail and some of the best views of Kielder Water.

Get some extra support from your friends and family over the final two laps of bull crag, where you will pass through the event village before finishing alongside your fellow runners and triathletes at the lake’s edge.

Races

  • Full Iron-Distance Triathlon

    £330.00

    Booking for more than 1?
  • Half Iron-Distance Triathlon

    £215.00

    Booking for more than 1?
  • 20K Trail

    £40.00

    UK Athletics (UKA) save £2.00

    Booking for more than 1?
  • 50K Ultra Trail

    £65.00

    UK Athletics (UKA) save £2.00

    Booking for more than 1?
  • TEAM Full Iron-Distance Triathlon

    £350.00

  • TEAM Half Iron-Distance Triathlon

    £230.00

Event Video

Reviews

  • 5
  • 4
  • 3
  • 2
  • 1

5.0

2 reviews

Pieter avatar
Pieter

·a year ago

Was fortunate enough to participate in the first ever Northumbrian, fantastic location, fantastic course, brilliantly organised. Bucket list item for sure!
GS
Gareth

·2 years ago

Awesome event, really tough but amazing place for an event, well organised and friendly crew. The support really helped

Location

NE48 1BT, Hexham, United Kingdom

Leaflet | © OpenStreetMap © CARTO

Who's In

See who else is doing this event

Doing

mr paul hair

Maybe

Ryan Parker

More from Events of the North

Tidal Trails

South Shields, Tyne and Wear

17 Aug 25
£8.00 - £35.00
Altra Kielder Marathon Weekend 2025

Hexham, Northumberland

Altra Kielder Marathon Weekend 2025

Running
Cycling
Duathlon
04 Oct 25 - 05 Oct 25
£8.00 - £83.00

You might like

29 Jun 2025

£40.00 - £350.00