5 races in date order
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Florida Endurance Challenge
12, 6 or 3 hours around Florida Manor's grounds
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Omagh Half Marathon
One of the largest half marathons in Northern Ireland since 1989
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EnduranceLife Giant's Causeway
Rugged coastal trail past dramatic UNESCO sea-stack cliffs
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Derry/Londonderry to Belfast Ultra
A grueling 75-mile point-to-point crossing of Northern Ireland
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Annalong Horseshoe
Horseshoe route over the Mourne Mountain peaks
Your next race, seen from above.
Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.
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Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.
Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.