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

July 2025
Jul
22
Tuesday

Portaferry 10 Mile

5 mi 10 mi
Jul
23
Wednesday

Donaghadee 5k

5 km
Jul
26
Saturday

Mullaghcarn Giant

Trail Run 12 km
Jul
27
Sunday

Hillsborough Castle & Gardens Running Festival

Trail Run 10 km 13 mi
Jul
30
Wednesday

Ardglass 10k

5 km 10 km
August 2025
Aug
8
Friday

Mallusk 5 Mile Road Race

5 mi
Aug
9
Saturday

Lurig Challenge Run

Trail Run 3 mi
Aug
24
Sunday

Antrim Coast Half Marathon

13 mi
Aug
29
Friday

GRC Coastal 5k

5 km
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
Sep
27
Saturday

Seaton Classic 10k

10 km
Sep
27
Saturday

Ni & Ulster Championship Bangor 10k

10 km
Sep
27-28
Sa - Su

Last One Standing Florence Court

Backyard Ultra 4 mi
October 2025
Oct
11
Saturday

Skyrun the Mournes

Trail Run 20 km 35 km 50 km
March 2026
Mar
29
Sunday

Omagh Half Marathon

5 km 13 mi
April 2026
Apr
11
Saturday

Endurancelife | Giant's Causeway

Trail Run 20 mi
May 2026
May
3
Sunday

Belfast City Marathon

42 km
May
30
Saturday

Norn Iron Ultra

Trail Run 106 mi
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