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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 11 exciting races across the region. Find your next race in Northern Ireland below and join the running community at these great events!

June 2025
Jun
27
Friday

Carnlough Quarry Challenge Run

Trail Run 5 km
Jun
28
Saturday

Spelga Skyline

Trail Run 20 km
July 2025
Jul
26
Saturday

Mullaghcarn Giant

Trail Run 12 km
Jul
27
Sunday

Hillsborough Castle & Gardens Running Festival

Trail Run 10 km 13 mi
August 2025
Aug
9
Saturday

Lurig Challenge Run

Trail Run 3 mi
September 2025
Sep
14
Sunday

Coastal Runners - Clandeboye 10k

Trail Run 10 km
Sep
20
Saturday

Causeway Cost Ultra Marathon

Trail Run 42 km
Sep
20-21
Sa - Su

Mourne Mountain Marathon

Trail Run 35 km 45 km 55 km
October 2025
Oct
11
Saturday

Skyrun the Mournes

Trail Run 20 km 35 km 50 km
April 2026
Apr
11
Saturday

Endurancelife | Giant's Causeway

Trail Run 20 mi
May 2026
May
30
Saturday

Norn Iron Ultra

Trail Run 106 mi
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