Connemara 100 miles

The Connemara 100 on the West Coast of Ireland from 16 to 17 August 2025 is a 100 mile trail run over a measured and certified course.

The course takes runners from Clifden through Letterfrack, Lettergesh, the Inagh Valley, Maam Cross, Leenane, Inagh Valley again, then on to Roundstone, Ballyconneely and back to Clifden to complete 100 miles.

There is a 30 hour limit and every participant must have their own crew with them at all times to look after water, food etc.