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 in the Hill and Dale series covering 8 km with 800 m of climb on open mountain terrain. The route is anti clockwise and unmarked with a start at Ott Car Park and a minimum age of 15.

Hen & Cock is a Hills and Dales mountain race at Hen Car Park on 18 June 2026. The course is about 5 km with roughly 500 m of climb; participants must be 15 or older and bring full body cover.

A marked 6 km forest race at Donard Forest Park with about 400 m of climb, part of the Hills and Dales series. Entries open 20 March 2026 and age minimum is 15 on 1 January 2026.

A **5K** multi-terrain race through Carnlough quarry with limestone paths, climbs, coastal views and a short out-and-back on Largy Road, organised by Glenlough Running Club.

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