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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 11 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
November 2025
Nov
1
Saturday

The 89th McConnell Shield

Trail Run 2 mi 3 mi 5 mi
Nov
29
Saturday

Seeley Cup 10k

10 km
December 2025
Dec
27
Saturday

Castlewellan Christmas Cracker

Trail Run 9 mi
January 2026
Jan
1
Thursday

Race over the Glen

10 km
March 2026
Mar
29
Sunday

Omagh Half Marathon

5 km Half Marathon
April 2026
Apr
11
Saturday

Endurancelife | Giant's Causeway

Trail Run 20 mi
May 2026
May
3
Sunday

Belfast City Marathon

Marathon
May
30-31
Sa - Su

Norn Iron Ultra

Trail Run 100 mi
July 2026
Jul
26
Sunday

Hillsborough Castle & Gardens Running Festival

Trail Run 10 km Half Marathon
August 2026
Aug
23
Sunday

Antrim Coast Half Marathon

Half Marathon
September 2026
Sep
19-20
Sa - Su

Mourne Mountain Marathon

Trail Run 35 km 55 km
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