Slateman Ultra (140.6) Full Distance Triathlon
2025 Adventure Series
Upcoming Events
Events
Legend (70.3) Distance Triathlons
Legend Distance Triathlons are our ultimate long-distance races. Often referred to as '70.3', 'Middle Distance' or 'half ironman' distance, our Legend series deliver much more than just miles.
Next Event
Jones O Gymru Anglesey Half Marathon & 10k
Supporting Alder Hey Children's Charity
The stunning Jones o Gymru Anglesey Half Marathon & 10km - The most beautiful half marathon in North Wales!
Flanked by breathtaking views of North Wales' Eryri (Snowdonia) National Park and the Menai Straits, the sheer beauty and uniqueness of this event draws people from all over the UK to Anglesey to take part, year after year.
The Jones o Gymru Half Marathon and 10k are perfect for all abilities with hundreds of first-timers, fundraisers and seasoned runners lining up together at the start. Providing the ideal mid-point for any marathon preparation, this beautiful undulating course with stunning scenery is perfect for an early-season personal best.
Also included in this great event is the Dragons Dash Kids 1.3-mile race, for kids as young as 5; there is something for everyone!
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