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Capri-Napoli Swim Marathon 2026: Dates, Route, and Where to Watch
The 56th edition of the world's oldest open-water marathon crosses the Gulf on Sunday 5 September, finishing in the water off the Naples lungomare.
What is the Capri-Napoli swim marathon?
The Capri-Napoli is the oldest true open-water swim marathon in the world, and its 56th edition races on Sunday 5 September 2026, counting toward the FINA World Cup open-water circuit. Elite swimmers cover roughly 36km straight across the Gulf of Naples in open sea — no wetsuits, no lane markers, just the current and the distance — starting from the Le Ondine beach at Marina Grande in Capri and finishing in the water off the Circolo Canottieri Napoli, on the city's central seafront near Castel dell'Ovo.
It's an internationally sanctioned race, so competitors this year include swimmers from well beyond Italy; the event traces back to the early 20th century, making it a fixture on the Naples sporting calendar decades before this year's title as Napoli Capitale Europea dello Sport 2026, first reported by the Federazione Italiana Nuoto.
Where can you watch the finish in Naples?
The finish sits in open water off the Circolo Canottieri Napoli, roughly along Via Partenope between Castel dell'Ovo and the Villa Comunale — the same stretch of lungomare that's closed to cars every Sunday morning for the pedestrian-and-bike Domeniche Ecologiche, so it's already a walking-friendly vantage point. The leading swimmers, after roughly 35km at sea, typically reach Naples in the early-to-mid afternoon; exact timing depends on currents on the day, so treat any published finish time as approximate.
For the best view, stake out a spot on the Via Partenope seawall or the steps around Castel dell'Ovo rather than the Circolo Canottieri's private dock, which is reserved for officials and press.
Does it affect getting around Naples that day?
This is a sea race, not a road race, so there are no announced street closures on the scale of the city's autumn running marathon — but Via Partenope and the Villa Comunale waterfront will be busy with spectators, race staff and support boats through the afternoon of 5 September. If you're staying near Chiaia or Santa Lucia, plan a little extra time to move along the seafront that day, and expect the Circolo Canottieri Napoli and the nearby stretch of lungomare to be the liveliest spot in the city from early afternoon onward.
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