Experience a finish line unlike any other
Events / Triathlon
Harlech Triathlon 2025
The Harlech Sprint Triathlon is a thrilling multisport event set against the stunning backdrop of Harlech Castle and the Eryri (Snowdonia) National Park.
Known for its scenic beauty and demanding course, the event attracts both seasoned triathletes and beginners seeking a unique and memorable experience. This early season Triathlon with its pool swim is one of the best loved on the calendar, be sure to book in quick though as it does often sell out!
This event is an Always Aim High Community Event. Profits from our Community Events go towards supporting amazing local projects, charities and community groups including Harlech Triathlon Club, Community Councils and Mountain Rescue Teams.
Choose your distance
Harlech 2025
Sprint
06 Apr 2025
Pool Swim: 400m
Bike: 21.5km
Run: 5km
What's Included
Lively Event Village
Music, commentary, shopping and food with a fun and supportive atmosphere
Inclusive and Friendly
Family finishes and plenty to see and do
On Course Support
Brilliant marshals, signage and pick up vehicles
Unique Finisher Mementos!
Beautifully designed to reflect our event locations and local history.
Spectacular location
Castles, coast and a historic town
Professional Timing
Chip timing & live online results
"Harlech Triathlon is one of my most favourite events. There is a lovely community spirit about the area over the whole weekend both before and after the event. There is plenty of support around the course and the finish is iconic!"
Rhian Roxburgh 2023
Event Information
Harlech Triathlon 2025
FAQs
Harlech Triathlon 2025
Travel & Accommodation
Harlech Triathlon 2025
Info for locals
Harlech Triathlon 2025
Volunteer
Harlech Triathlon 2025
Gallery
Harlech Triathlon 2025
Race Reports
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Llandudno Triathlon 2024
We are proud that all our events are bilingual. Signs, registration and commentary are available in English and Welsh.
Event Partners
Working with local communities
Looking after our environment
Find out more about Looking after our environment
Tees for Trees
Find out more about Tees for Trees