Belfast City 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 trail running event is Waterside Half Marathon in Derry, 101 km away, on September 6, 2026.
• 12 of the 12 most similar events take place in the same month.