Why Croatia’s Coast Is a Playground for Autumn Races

25 Sep 2025

When the big summer crowds head home and the Adriatic is still sparkling, October steps in as the ultimate sweet spot. Days hover around a comfortable 18 to 22 °C, the sea stays swimmable, and towns settle into a relaxed, local rhythm — perfect for athletes and spectators alike.
To give you a taste of what’s happening, here are some of the most exciting coastal races — moving from the northern Adriatic all the way down to Croatia’s southern tip.

Ironman 70.3 Poreč

19 October
The season’s showstopper takes place in Poreč, Istria, where world-class triathletes tackle a 1.9 km swim, 90 km bike ride, and half-marathon run along the coast. Even if you’re not racing, the atmosphere is electric.

Cro Race

30 September – 5 October
This multi-stage professional cycling tour slices through the entire country, finishing in Zagreb after sweeping coastal sections. Grab a spot along a seaside stage to watch the peloton sprint past turquoise bays.

Dalmacija Ultra Trail

10 –11 October
The Dalmacija Ultra Trail (DUT) is a unique annual event starting from Omiš, taking runners across four mountains — Omiška Dinara, Biokovo, Mosor, and Kozjak — and along three rivers: Cetina, Jadro, and Žrnovnica. The course passes by historic and scenic sites, including the Omiš Fortica and the ruins of ancient Salona, while tracing old paths once used by Dalmatian laborers to connect the hinterland to the sea.
Thousands of runners from around 40 countries participate each year, with options for both competitive and recreational routes, so everyone can choose a pace and distance that suits them. Running (or walking) these trails feels like a journey through time, offering a first-hand experience of authentic Dalmatia, its breathtaking landscapes, and the warmth of its people.

Spartan World Championships

10 –12 October
Hvar City on the Island oft he same name will host the Spartan World Championships, featuring 100 m and Sprint races across the island’s trails and historic sites. Athletes will have the opportunity to complete Trifecta challenges while navigating rugged paths, vineyard slopes, and scenic coves, all set against the stunning Adriatic backdrop.

Archipelago Trail Run

17–19 October
The Archipelago Trail Run offers a unique chance to explore the Zadar Archipelago on foot, with trails that showcase the Adriatic coast, the stunning landscapes of Telascica Nature Park, and unforgettable views of Kornati National Park. Runners can choose a one-day or two-day format, covering distances from 10 to 80 km, and explore three islands — Ugljan, Pašman, and Dugi Otok — at their own pace. The event kicks off in the charming seaside town of Preko, where participants can enjoy local food, live music, and a festive atmosphere alongside the races.

Dubrovnik Spartan Trail

24–25 October
Medieval walls, forested hills, and sweeping sea views make this a spectacular trail challenge around Dubrovnik. Whether you’re racing or cheering, it’s a fresh perspective on one of Croatia’s most iconic cities.

Whether you’re running, riding, or simply clinking glasses at the finish line, October proves the Adriatic isn’t just for summer — it’s also for unforgettable autumn adventures.

Zagreb