Trail Running calendar near Clonaslee 2026-2027

This 16.4 km mountain run takes you on a tough circuit over four peaks near Glendalough. Runners must carry full safety gear and navigate an unmarked route. With an entry limit of 50, it's part of the Leinster Championship.

Tackle a tough three leg mountain relay across County Wicklow's highest peaks, covering 54 km with 2170 m of ascent. Unmarked route and mandatory Level C kit make this a true test of navigation and endurance.

Tackle the Stone Cross to Lug, a remote 54 km mountain route in County Wicklow with 2170 m of ascent. Unmarked and GPS free, this extreme challenge demands navigation skills and mandatory safety kit for a true wild running test.

Night Challenge 4 in Glendalough is a marked night mountain race in County Wicklow with a 10 km long course and an about 5 km short course. Mandatory Level B kit is required and GPS use is not allowed.

Experience the beauty of Glendalough with a 15km competitive run or an 8.5km walk. Join this meaningful event to support groundbreaking research into degenerative eye disease through physical activity.

The 17th Donadea 50k ultra marathon returns, hosted by the Donadea Running Club in Kildare. The event has a specific deferral and refund policy valid until the end of the year.