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Norn Iron Ultra

Name: Norn Iron Ultra
Start: 2026-05-30
End: 2026-05-31
Location: Belfast

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.

United Kingdom Northern Ireland Belfast

Race information

Website

100 mi

100 Mile

Visit the organization's website for the most recent information.

Trail runs nearby

Thursday May 14

Meelmore

Slieve Bearnagh

7 km

Meelmore is a Hill and Dale mountain race at Meelmore Lodge featuring a 7 km course with 700 m of climb. Open to runners aged 15 and over, the route is unmarked and specific kit and number rules apply.

Thursday May 21

Luke's

Hilltown

7 km

Luke's is a 7 km mountain race with 500 m of climb near Meelmore Lodge on 21 May 2026, part of the Hills and Dales series. The route is unmarked and competitors must meet age and kit requirements.

Saturday May 30

Slieve Donard

Newcastle

10 km

A mountain running race in Donard Forest Park covering 10 km with 850 m of ascent, requiring navigation and mandatory safety kit. Checkpoints are marshalled and a cut-off at the Saddle will be enforced.

Thursday Jun 4

Millstone

Newcastle

8 km

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.