Naas, Kildare (Ireland) - "Barretstown Half Marathon". Barretstown is delighted to announce its inaugural Half Marathon on Sunday, 6th September, starting and finishing at Naas Racecourse. The route will take participants towards Kill, past Kerdiffstown Park, through Sallins and along the canal, before returning via Main Street from the Harbour, to finish back at Naas Racecourse. https://barretstown.org/barretstown-half-marathon-2026