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

April 2025
Apr
10
Thursday

Castlewellan

Trail Run 8 km
Apr
12
Saturday

Endurancelife | Giant's Causeway

Trail Run 20 mi
Apr
17
Thursday

Tollymore

Trail Run 8 km
Apr
18
Friday

Belfast 2 Dublin Ultra

Trail Run 170 km
Apr
24
Thursday

Slieve Martin

Trail Run 8 km
May 2025
May
1
Thursday

Binnian

Trail Run 5 km
May
8
Thursday

Hen & Cock

Trail Run 5 km
May
15
Thursday

Luke's

Trail Run 7 km
May
22
Thursday

Millstone

Trail Run 8 km
May
25
Sunday

Granite Peaks Races

Trail Run 25 km 50 km 80 km
May
31
Saturday

Slieve Donard

Trail Run 10 km
June 2025
Jun
1
Sunday

Norn Iron Ultra

Trail Run 26 mi
Jun
5
Thursday

Loughshannagh

Trail Run 8 km
Jun
6
Friday

CS Lewis 5 Mile Challenge

Trail Run 5 mi
Jun
7
Saturday

Cairncastle Classic

Trail Run 16 km
Jun
12
Thursday

Meels

Trail Run 7 km
Jun
20
Friday

Drinnahilly

Trail Run 6 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
September 2025
Sep
20
Saturday

Causeway Cost Ultra Marathon

Trail Run 42 km
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