Marathons in Northern Ireland, United Kingdom 2026

2 marathons and running events

Cities

Belfast 1 Derry 1
🏃 Belfast
Registration Open May 3, 2026
United Kingdom

Phoenix Energy Belfast City Marathon

Belfast, Northern Ireland Full Marathon, Relay
BQ Certified 15,000 runners
£68.00 entry View Details →
🏃 Derry
Registration Open Sep 6, 2026
United Kingdom

Waterside Half Marathon

Derry, Northern Ireland Half Marathon
Certified 3,500 runners
£28.00 entry View Details →