Istria300 2026

Istria300 is an official amateur road-cycling participation event in Poreč, Istria County, Croatia on 3 October 2026. The official registration page confirms the 2026 edition date, and the official course page lists the flagship route at 300.5 kilometres with 5,150 metres of climbing on closed or managed Istrian roads, alongside shorter course options under the same event umbrella.

Organized by istria300.com