Cascais · Oeiras · Lisboa
Run the coast.Discover the Marginal.
A unique running experience along one of Portugal’s most beautiful coastal roads. Choose the Half Marathon or the 10K and follow the Atlantic from Cascais and Oeiras to Lisboa.
More than a race
Three cities united by one extraordinary coastline.
“A Marginal” is the famous coastal road linking Cascais, Oeiras and Lisboa. For one unforgettable morning, these three partner cities become one continuous running experience.
Begin in Cascais, run through the coastal landscapes of Oeiras and finish in Lisboa. Beaches, forts, marinas and the mouth of the Tagus accompany the journey to Belém.
Three cities, two distances, one event
Run Cascais, Oeiras and Lisboa
The Half Marathon crosses the Cascais–Oeiras–Lisboa coastal axis, while the 10K begins in Oeiras. Both finish in Belém.
A living Portuguese tradition
A shared history between Cascais, Oeiras and Lisboa.
The route has been part of Portuguese athletics for more than eight decades. Born as a relay race, it now welcomes individual runners through the Half Marathon and 10K.
Three partner cities
Three destinations. One Marginal.
Cascais
Atlantic beaches and the opening kilometres.
Oeiras
Forts, marinas and the 10K start.
Lisboa
Belém, the Tagus and the finish.