Norn Iron Ultra

Belfast, United Kingdom • 30-31 May 2026

NORN IRON 100

NORN IRON 100 is an ultra running event organised by We Run Wild NI, a company that stages ultra runs, trail runs, marathons and multiday events in Northern Ireland. The event is scheduled for 30th May - 31st May 2026 and takes place in Northern Ireland.

The event is listed with a UTMB® INDEX of 100M / M and carries an iTRA grade of 5 under the International Trail Running Association. The presentation describes multi terrain running as a focus for We Run Wild NI, indicating varied surfaces and trail conditions.

Partners and sponsors associated with the event include BOOST, TAYTO and DEXTRO ENERGY. The organiser operates an events programme that includes recce days and other endurance formats, and offers information on event details, dates, results and photos.

This description uses only the published event information. It does not include start or finish times or contact details. It presents the event name, dates, organiser profile, official index and partner names as provided. Visit the organization's website for the most recent information.

Race information

100 mi
100 Mile
Visit the organization's website for the most recent information.
Trail runs nearby

A mountain race from Newcastle Centre to Donard Park covering 10 km with 850 m of climb. The unmarked route requires navigation and mandatory safety kit; checkpoint order and cut-offs are enforced for competitor safety.

A trail race at Donard Forest Park on 4 June 2026, Millstone covers 8 km with 500 m of climb over partially marked forest paths. Entry is via SiEntries and the event is organised by Newcastle AC.

A measured 5 mile chip-timed race from CS Lewis Square that follows the Connswater Greenway into Victoria Park and back, on mixed road, trail and grass surfaces.

A 10 mile fell race with about 2200 ft of climbing around Cairncastle and Ballygally near Larne. The course uses roads, farm tracks and fells with checkpoints and minimal route marking, and required fell running kit is specified.

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