Quadrathon Challenge 2026

Race Details

The Quadrathon Challenge 2026 is a unique multi-stage running event organised by Extreme North Events, taking place in Co. Antrim, Northern Ireland, from 18th to 21st August 2026. As the name suggests, the event consists of four half or full marathon stages run across four consecutive days.

The course details are routed through the stunning Causeway Coast and Glens region of Northern Ireland. Full course maps and details are available on the Extreme North Events website.

Format: 4 stages (half or full marathon each day) over 4 consecutive days Location: Co. Antrim, Northern Ireland Entry: sientries.co.uk