Triathlon
The Brutal Triathlon Goron (Triple)
155 km
992m
Start: Sep 17, 05:00 PM
535.50 EUR
The Brutal Extreme Triathlon
Loading map…
Triathlon in United Kingdom, Llanberis
Distances
Triathlon
The Brutal Triathlon Cawr - Team
113 km
Start: Sep 17, 05:00 PM
544.50 EUR
Triathlon
The Brutal Triathlon Cawr (Double)
113 km
Start: Sep 17, 05:00 PM
423.00 EUR
Triathlon
The Brutal Triathlon Mawr - Team
70.4 km
Start: Sep 17, 05:00 PM
405.00 EUR
Triathlon
The Brutal Triathlon Mawr (Full)
70.4 km
Start: Sep 17, 05:00 PM
319.50 EUR
Triathlon
The Brutal Triathlon Canol - Team
35.2 km
Start: Sep 17, 05:00 PM
225.00 EUR
Triathlon
The Brutal Triathlon Canol (Half)
35.2 km
Start: Sep 17, 05:00 PM
175.50 EUR
Triathlon
The Brutal Triathlon Bach - Team
14.2 km
Start: Sep 17, 05:00 PM
108.00 EUR
Triathlon
The Brutal Triathlon Bach (Standard)
14.2 km
Start: Sep 17, 05:00 PM
85.50 EUR
About
The Brutal Extreme Triathlon — swim, bike and run around Llyn Padarn and up Snowdon in North Wales — has been voted the world’s toughest triathlon. The event is renowned for its low-key, friendly vibe with massive support for every athlete.
Catering & aid stations
Food and drink available from a catering van from 05:00 until late on race day. On-course aid stations: Torq Sports Nutrition, flapjack, cheese scones, bananas, biscuits, jellybabies, water, coke and flapjack (one on the bike ~mile 14, one on the run ~2.5 miles, and one at HQ).
Pacers
Pacemaker groups run with athletes on the Duathlon Double and Triple distances only. Follow the designated pacers listed in the race start order and wear the provided pacer bib; on the bike, ride at the pacers’ pace and stay within drafting distance. On the run, pacers maintain an easy conversational pace and aid with hills; respect pacers and fellow athletes.
Results
View official resultsLoading map…
Typical weather in Llanberis
Monthly averages based on historical data (2000–present).
Jan7°3°
↑ 08:24
↓ 16:28
Feb7°3°
↑ 07:36
↓ 17:26
Mar9°3°
↑ 06:31
↓ 18:21
Apr11°5°
↑ 06:17
↓ 20:17
May14°8°
↑ 05:18
↓ 21:09
Jun17°11°
↑ 04:50
↓ 21:45
Jul18°12°
↑ 05:09
↓ 21:36
Aug18°12°
↑ 05:58
↓ 20:45
Sep16°11°
↑ 06:51
↓ 19:33
Oct13°8°
↑ 07:44
↓ 18:22
Nov10°6°
↑ 07:42
↓ 16:22
Dec8°4°
↑ 08:25
↓ 16:00
What's included in entry
- Race registration
- Race number
- Timing chip
- Goodie bag
- Finisher medal
- Post-race food
- T-shirt
- Race photos
Prices & signup
- The Brutal Triathlon Bach (Standard)85.50 EUR
- The Brutal Triathlon Canol (Half)175.50 EUR
- The Brutal Triathlon Mawr (Full)319.50 EUR
- The Brutal Triathlon Cawr (Double)423.00 EUR
- The Brutal Triathlon Goron (Triple)535.50 EUR
- The Brutal Triathlon Bach - Team108.00 EUR
- The Brutal Triathlon Canol - Team225.00 EUR
- The Brutal Triathlon Mawr - Team405.00 EUR
- The Brutal Triathlon Cawr - Team544.50 EUR
FAQ
What time is registration on Friday?
Registration opens 16:00–20:00 Friday; includes mountain bag check.
What time is race briefing on Friday?
Half / Full briefing 19:00; Double (plus crew) briefing 20:00.
Where is registration/briefing on Friday?
Main marquee on the event field (do not bring transition bags until race morning).
Does my support crew have to register?
No, but they must attend the race briefing (required for Double and Triple events).
Will I be given transition bags?
No; you’ll receive numbered tags to attach to your own bags.
Do I rack my bike on Friday?
No bike racking available Friday night due to security/staffing.
What time is transition open on race day?
Transition opens 05:00.
What time does the race start?
All races start 07:00 on Saturday 19 September 2026.
Is there food/drink on site?
Yes — a catering van open from 05:00 until late on race day.
Can I wear gloves for the swim?
Yes, as long as they are not webbed; booties and extra hats are allowed.
Do we get out on every lap of the swim?
You exit the water every second lap; hot drinks available lakeside.
Where are the aid stations?
One on the bike (~mile 14), one on the run (~2.5 miles), and one at HQ.
What happens before the mountain section?
You must check in with a medic to confirm you are fit to climb up and back down Snowdon.
Where can I stay?
Plenty of B&Bs, hotels, campsites and bunkhouses near race HQ; book early as Llanberis fills quickly.
Are there showers in transition?
No; only portaloos available.
What are the rules?
Hi-viz vest required on the bike at all times; no drafting; cycle helmet mandatory; no MP3 players; no littering; mount/dismount at designated points.
Last updated: Jun 6, 2026, 12:28:20 AM
Get RaceAlerts
We'll email you when races match your filters. No spam — only what fits your goals.
Related runs
On your marks
Loading race details…