Belfast City Half Marathon
Race Day Weather
Cool temps, mixed wind effects
Runners will face a temperature rising from 55°F to 60°F, with high humidity at 84%. A light crosswind will be felt in the early miles, transitioning to a tailwind from miles 4-5, before shifting to headwind from miles 8-10. It's advisable to start conservatively, especially with the possibility of light rain and varying winds that may require pacing adjustments throughout the race.
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Race Info
The Belfast City Half Marathon is Northern Ireland's largest half marathon, run each September in Belfast. It starts and finishes on Ormeau Embankment and covers all four areas of the city: north, south, east and west. The route passes the Harland and Wolff cranes, Custom House Square and City Hall. Runners have three hours to finish. As of 2026 the half marathon runs as a standalone event, separate from the Belfast City Marathon weekend, which has moved to a new May date at Stormont.
