There are 8 upcoming half marathon races in County Antrim listed. Next up: Shanes Castle Marathon, Half Marathon & 10K (Sunday, 25 October 2026), EAMS: Halloween Frightener 2026 (Sunday, 1 November 2026), Monument Run (Sunday, 22 November 2026).
Upcoming races only, soonest first. Confirm dates and entry details with the organiser.
Antrim · Shanes Castle Estate, Antrim
Chip-timed races on marked gravel and tarmac loops within Shanes Castle Estate. The marathon has a seven-hour cut-off. The additional-entry allocation is sold out.
£30–£60
See entry options & fees
Newtownabbey · Loughshore Park, Shore Road, Newtownabbey, BT37 0PY
Six-hour coastal running challenge from Loughshore Park towards Gideons Green. Marked 10km, half-marathon and marathon options, with longer distances possible. An early 07:00 start is available for marathon runners needing longer than six hours.
£34.29
See entry options & fees
Carrickfergus
Half-marathon and marathon routes from Carrickfergus up around Knockagh Monument and back. One lap for the half marathon and two for the marathon. Exact assembly point will be confirmed by the organiser.
£35
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Carrickfergus
Festive half-marathon and marathon from Carrickfergus. Two laps for the half marathon or four for the marathon. Exact assembly point will be confirmed by the organiser.
£35
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Carrickfergus · Carrickfergus Castle, Marine Highway, Carrickfergus, BT38 7BG
East Antrim Marathon Series year-end event, with 10km, half-marathon and marathon distances. The coastal route starts at Carrickfergus Castle and heads towards Gideons Green. Enter one day or the back-to-back pair.
Price not confirmed
Carrickfergus · Carrickfergus Castle, Marine Highway, Carrickfergus, BT38 7BG
East Antrim Marathon Series year-end event, with 10km, half-marathon and marathon distances. The coastal route starts at Carrickfergus Castle and heads towards Gideons Green. Enter one day or the back-to-back pair.
Price not confirmed
Carrickfergus
Timed half-marathon and marathon options on circular routes starting and finishing in Carrickfergus. Exact assembly point will be confirmed by the organiser.
£35
See entry options & fees
Belfast · Victoria Park, Belfast
The second marathon starts at midnight at the beginning of Sunday. The 10km and half marathon start at 08:00, on one-mile loops around Victoria Park. Runners can enter a single marathon or both weekend marathons.
£39–£59
See entry options & fees
Work out your target half marathon time and pace.