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Trail Running Calendar Northern Ireland 2025-2026

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Explore the best trail runs in Northern Ireland for 2025-2026! Our updated list features 8 exciting races across the region. Find your next race in Northern Ireland below and join the running community at these great events!

December 2025
Dec
6
Saturday

Nimra Run for Rescue Trail Race

Trail Run 10 km
Dec
27
Saturday

Castlewellan Christmas Cracker

Trail Run 9 mi
February 2026
Feb
1
Sunday

Malcolm Cup XC

Trail Run 2 mi 3 mi 4 mi
April 2026
Apr
11
Saturday

Endurancelife | Giant's Causeway

Trail Run 20 mi
May 2026
May
30
Saturday

Norn Iron Ultra

Trail Run
July 2026
Jul
26
Sunday

Hillsborough Castle & Gardens Running Festival

Trail Run 10 km Half Marathon
September 2026
Sep
19-20
Sa - Su

Mourne Mountain Marathon

Trail Run 35 km 55 km
October 2026
Oct
10
Saturday

Skyrun the Mournes

Trail Run
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