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

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:
1 or 2 laps in the breath-taking serenity of the famous Kielder Water, entry and exit via slipway. Wetsuits are mandatory.

BIKE:
1 or 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 FULL DISTANCE:
1 lap along the infamous Forest trails that host the testing Kielder Marathon. Cut off time to start the run leg is 8 hours 10 minutes after race start.

- The Northumbrian Paria Cycling Jersey (Individual Tri entrants only)
- The Northumbrian Paria Cycle Cap (Team entrants only)
- The Northumbrian Tech T-shirt (Trail Runs)
- Swim Cap
- Electronic Chip Timing
- Bespoke Medal
- Premium Registration Bag
- On Course Support
- On Course Nutrition

• Bespoke finishers medal and t-shirt
• High quality goody bag

The FULL ULTRA 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

Transition area will be in the large lower car-park at Waterside

• 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
• TOTAL DISTANCE: 140.6 MILES
• TOTAL ELEVATION: 3606M
• START TIME 6:15AM
• REGISTRATION: Sat 27th June
• CUT OFF TIME: 17HRS 45MINS

The 70.3 HALF ULTRA 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.

Transition area will be in the large lower car-park at Waterside

• SWIM 1.2 MILES: 2 laps in the breath-taking serenity of the famous Kielder Water, entry and exit via slipway. Wetsuits are mandatory
• BIKE 56 MILES: 1 lap 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 13.1 MILES: 2 laps of Bull Crag covering the infamous Forest trails that host the testing Kielder Marathon
• TOTAL DISTANCE: 70.3 MILES
• TOTAL ELEVATION: 1803M
• START TIME: 6:15AM
• REGISTRATION: Sat 27th June
• SWIM CUT OFF TIME: 2HR 20MINS
• TOTAL CUT OFF TIME: 9 HOURS

The FULL or HALF ULTRA TRI DISTANCE as a team of three – cheer your team mates on before you take on your leg of the Northumbrian! 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 and your team mates are confident in your ability to complete the course before entering. Choose your relay leg carefully!

Transition area will be in the large lower car-park at Waterside

LIMITED TO 50 TEAMS

All teams must attend registration and the event briefing

All team members are able to cross the finish line. Due to the narrow aspect of the course we can only allow this over the last 100m, we will have a waiting area for relay competitors to meet their teammate just before the finish.

• LEG 1 – SWIM 1.2 MILES OR 2.4: 1 or 2 laps in the breath-taking serenity of the famous Kielder Water, entry and exit via slipway. Wetsuits are mandatory.
• LEG 2 – BIKE 56 OR 112 MILES: 1 or 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.
• LEG 3 – RUN 13.1 OR 26.2 MILES:1 lap along the infamous Forest trails that host the testing Kielder Marathon (half marathon route for the half distance, full marathon route for the full distance)
• TOTAL DISTANCE: 70.3 OR 140.6 MILES
• TOTA ELEVATION: 1803M / 3606M
• START TIME: 6:15AM
• CUT OFF TIME: 9 HOURS / 17 HOURS
• REGISTRATION: Sat 27th June

Toilets will be provided at the start/finish and at each water station on the route. Secure bag drop marquee will also be available for all runners. First aid will be available at the start/finish. Unfortunately we are unable to provide showers or changing facilities.

There will be refreshments available at Kielder Waterside

Support crews on the run and bike routes MUST be stationary, however they are allowed to move from point to point. Support crews must not ride or run with competitors due to the nature of the course and medical resources. Your support crew may hand out bottles and food.

• Transfer: You can transfer your entry to someone else up until 6 weeks before the race date for an admin fee. You can do this by logging into your entry through your confirmation email.
• Refund: Unfortunately as per our terms and conditions, entries can’t be refunded however we can offer a free medical deferral up to 4 weeks before the event if a medical note is produced.
• Changes: You can change details of your entry by logging in through your confirmation email up until 4 weeks before the event.

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.

A UTMB INDEX EVENT
A UTMB Index race contributes towards every Finishers UTMB Index in the corresponding category (20K, 50K, 100K or 100M) and gives privileged access to the UTMB World Series Events or Majors.

CUT OFF TIMES:
CP One – 20km – 4 hours [12:45]
CP Two – 30km – 6 hours [14:45]
Finish – 50km – 10 hours [18:45]

MANDATORY KIT (FINAL LIST PROVIDED IN RACE PACK):
Capacity to carry 500ml / 1L of water
Functioning Head torch
Suitable trail running footwear
Waterproof Jacket with hood (sealed or taped seams)
Medical kit
Re-usable cup
Fully charged mobile phone
Survival bag
Food Reserves
Whistle
Personal ID

MINIMUM AGES:
Participants must be 16 years of age on race date to enter the 20K event, and 18 years of age to enter the 50K event.

Start Time 8:45am