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SWIM 2.4 MILES - BIKE 112 MILES - RUN 26.2 MILES

Full Distance

29th June 2025

Full Distance

Info

 Can you conquer the FULL Northumbrian?

The FULL 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 full course before entering.

  • Swim 2.4 miles – cut off time 2hrs 20 after race start:

    4 laps in the breath-taking serenity of the famous Kielder Water, entry and exit via slipway. Wetsuits are mandatory.

  • Bike 112 miles – cut off time 10hrs 30 after race start:

    2 laps through the stunning valley and a ride over the Border to conquer the challenging, inspiring roads. The majority of the route will be on open roads however there will be some partial closures for safety, the route will be fully marshalled including Moto marshals. Non-drafting, bikes must comply with British Triathlon rules.

  • Run 26.2 miles – cut off time 17hrs 45 after race start:

    4 laps of Bull Crag covering the infamous Forest trails that host the testing Kielder Marathon. Cut off time to start the run leg is 10 hours 30 minutes after race start.

  • Transition area will be in the large lower car-park at Waterside
    • What’s Included
      £330

      • The Northumbrian Paria Jersey
      • Swim Cap
      • Electronic Chip Timing
      • On Course Support
      • On Course Nutrition
      • Medal and Registration Goody-bag
    • ENTER NOW
Info
Location: Kielder Waterside Park
Total Distance: 140.6 Miles
Total Elevation: +3606m (11830 ft)
Entrants: 300
Start Time: 6.15am
Cut Off Time: 17 Hours 45 Mins
Registration: Saturday 28th June