3 races
Event overview
Set on Llandudno’s famous seafront, this coastal event delivers a thrilling triathlon and duathlon experience, blending open-water swimming, fast road cycling and a scenic promenade run.
Now in its 5th year and taking place in June for the first time, this spectacular coastal race is set against the stunning backdrop of the Great Orme and the Victorian seaside town of Llandudno. With sea swims by the iconic pier, closed-road cycling around Marine Drive, and a crowd-lined promenade run, it’s one of the most atmospheric multisport events in the UK.
Accolades
This event has been chosen to host the following events in 2026:
- Welsh Triathlon Super Series Stage 3 (Sprint Distance)
- Welsh Triathlon National Championships (Sprint Distance)
- World Standard Distance Duathlon Qualifier
Highlights
- Open-water sea swim off Llandudno’s iconic coastline
- Fast, closed-road bike route ideal for strong pacing
- Scenic run along the seafront promenade
- Choice of triathlon or duathlon formats
- Stunning coastal and mountain backdrops throughout
- Smooth, well-organised course with excellent support
- Ideal for beginners, improvers and competitive racers
Event photos
- Average fitness
- Beginner-friendly
- Event village
- Spectators
- Teams
Season pass
Closed road triathlon season pass:
- Llandudno Triathlon
- Triathlon Y Bala
Take your triathlon journey to the next level with the Closed Road Triathlon Season Pass, your exclusive entry into both the Llandudno Triathlon and Triathlon Y Bala.
Race two of North Wales’ most iconic, fully closed-road triathlons and be part of an unforgettable season of competition, camaraderie, and coastal-to-lakeside adventure.
What's included
- Guaranteed entry to both the Llandudno Triathlon & Triathlon Y Bala
- Exclusive Series Hoody – free for all Season Pass holders
- Series Results – see how you rank across both events
- Choice of Sprint or Standard distance series
Whether you’re chasing the podium or simply the challenge, the Closed Road Triathlon Season Pass is your ticket to an epic season of racing in two breathtaking Welsh locations.
Secure your place in the series today — places are limited to 100!
Llandudno Triathlon on the prom today. Always a great event with clear passion from the organisers to deliver a top-quality event! 2024 Participant
Races at event
- Sun 28 Jun
- #1 of 3
10:30
Age 15 & over
£96.99-£125.99
- 750 m sea swimming
- 17.5 km road cycling + 351 m ascent
- 5 km road running
- Sun 28 Jun
- #2 of 3
09:00
Age 17 & over
£114.99-£141.99
- 1500 m sea swimming
- 34.75 km road cycling + 701 m ascent
- 9.4 km road running
- Sun 28 Jun
- #3 of 3
09:00
Age 17 & over
£94.99-£105.99
- 5 km road running
- 34.75 km road cycling + 701 m ascent
- 9.4 km road running