Course
100km100 km
100km Relay100 km
50km50 km
Key dates
- ★Race dayMon 18 Jan 2027
Date confirmed with the organiser · entry window checked by RunCalendar
About
Immerse yourself in the stunning natural beauty of Ireland's County Wicklow as you conquer the ALTAR 50K or 100K Ultra Marathons. This challenging event takes place against the breathtaking backdrop of Beyond the Trees Avondale, offering runners an unforgettable experience through the region's lush forests and rolling hills.
Your next race, seen from above.
Save Altar Nutrition 50km, 100km, 100km Relay to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Altar Nutrition 50km, 100km, 100km Relay to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.