Dublin City Triathlon 2026

The Dublin City Triathlon takes you through the city in a way most people never get to experience it. You start with a swim in the Liffey, move into a bike course through Dublin’s streets, and finish with a run through Phoenix Park.

Multiple distances are available, from sprint to Olympic, so it’s open to first-timers and experienced triathletes alike. Registration starts from - ‚¬75.

Good to Know

• Various distances available, including sprint for beginners

• Registration from - ‚¬75

• Start and registration at Custom House Quay

• Early morning start means road closures from dawn