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Half Marathon calendar Ireland 2025-2026

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Explore the best half marathons in Ireland for 2025-2026! Our updated list features 19 exciting races across the country. Find your next race in Ireland below and join the running community at these great events! Search for a location or view races near , , , , or .

February 2025
Feb
8
Saturday

Slí Chorcaí Half

Trail Run 21 km
March 2025
Mar
8
Saturday

Clonmel Trail HM

Trail Run 21 km
April 2025
Apr
19
Saturday

Brandon Hill Half (Kilkenny)

21 km
Apr
27
Sunday

Connemarathon

21 km 42 km 63 km
May 2025
May
3
Saturday

Knockmealdown Half

Trail Run 21 km
May
4
Sunday

Great Limerick Run

6 mi 21 km 42 km
May
17
Saturday

Beara Way Challenge

Trail Run 21 km
June 2025
Jun
1
Sunday

Cooley Half

Trail Run 21 km
Jun
21-22
Sa - Su

Waterford Viking Marathon

8 km 10 km 21 km 42 km
July 2025
Jul
5
Saturday

Achill Half Marathon

10 km 21 km
Jul
12
Saturday

Brandon Ridge Half Marathon

Trail Run 21 km
Jul
12
Saturday

Trooperstown and Clara Vale Loop

Trail Run 21 km
August 2025
Aug
14-17
Th - Su

The Quadrathon Challenge

Trail Run 21 km 42 km
Aug
23
Saturday

Croghan Half

Trail Run 21 km
September 2025
Sep
6
Saturday

Dingle Marathon

21 km 42 km
Sep
20
Saturday

Glen of Aherlow Trail Half-Marathon

Trail Run 21 km
October 2025
Oct
4
Saturday

Glanageenty Half Marathon

Trail Run 21 km
Oct
4
Saturday

Run Galway Bay Marathon

10 km 21 km 42 km
Oct
25
Saturday

Halloween Half Marathon - Kilworth

Trail Run 21 km
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