Dublin Half Marathon

Race facts

• The course covers 21.1 km.
• It takes place on a Sunday, September 20, 2026 — autumn in this part of the world.
• The closest comparable running event is Seamie Weldon 5K & 10K Road Race 2026 in Ardee, 57 km away, on September 5, 2026.
• 12 of the 12 most similar events take place in the same month.