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Running Calendar Northern Ireland 2025-2026

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Explore the best running races in Northern Ireland for 2025-2026! Our updated list features 13 exciting races across the region. Find your next race in Northern Ireland below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons
December 2025
Dec
26
Fr

Ciyms Boxing Day Fun Run

5 km
Dec
26
Fr

The Turkey Trot

8 km
Dec
27
Sa

Castlewellan Christmas Cracker

Trail Run 9 mi
January 2026
Jan
1
Th

Race over the Glen

10 km
February 2026
Feb
1
Su

Malcolm Cup XC

Trail Run 2 mi 3 mi 4 mi
March 2026
Mar
29
Su

Omagh Half Marathon

5 km Half Marathon
Mar
29
Su

Liquid Motion Tri Club Duathlon

Duathlon
April 2026
Apr
11
Sa

Endurancelife | Giant's Causeway

Trail Run 20 mi
May 2026
May
30
Sa

Norn Iron Ultra

Trail Run
July 2026
Jul
26
Su

Hillsborough Castle & Gardens Running Festival

Trail Run 5 km 10 km Half Marathon
August 2026
Aug
23
Su

Antrim Coast Half Marathon

Half Marathon
September 2026
Sep
19-20
Sa - Su

Mourne Mountain Marathon

Trail Run 35 km 55 km
October 2026
Oct
10
Sa

Skyrun the Mournes

Trail Run