# Istria300 2027

> Istria300 2027 starts on 2 October 2027 in Poreč, Croatia. There are three distances from 135 to 300 km. Format: Cycling marathon, on road, without a personal crew (unsupported). Registration is not open yet. All details come from the organiser, last checked on 5 October 2026.

Page: https://watt-the-f.com/en/calendar/istria300/ · German version: https://watt-the-f.com/kalender/istria300/

- Date: 2 October 2027
- Start: Poreč, Croatia
- Distances: Istria300 (300 km); Istria209 (209 km); Istria135 (135 km)
- Support: Unsupported · Cycling marathon · Surface: Road
- Organiser: https://www.istria300.com/
- Source: https://www.istria300.com/ (last checked 2026-10-05)
- In the calendar: https://watt-the-f.com/en/calendar/?event=istria300-2027

## What it’s about

Istria300 is a road cycling event from Poreč in Istria (Croatia): you only decide along the way whether to ride the 300, 209 or 135 km route on roads closed to traffic.

Route and format details based on the 2026 edition.

## Past editions

- 2026: 3 October 2026 · 300 km · Source: https://www.istria300.com/

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