2025 series is now open for registrations.

Spread the cost of entry interest free! 

Join us for the 2025 Four Castles Series.

Take on four fantastic half marathons set in beautiful locations:

*The Snowdonia Half Marathon - 11th May 2025

*The Caernarfon Half Marathon - 7th September 2025

*The Bangor Half Marathon 5th October 2025

*The Conwy Half Marathon 16th November 2025

You will receive a large bespoke medal and Technical Tshirt at each race, plus a huge bespoke golden medal! 

RACE DAY INFORMATION
Please go to the individual race pages.