The Heineken Roeivierkamp, the Heineken Club Quadrathlon or (preferably) simply "The Heineken", is a yearly rowing regatta over four distances on the Amsterdam's Amstel river. It is an official FISA event and traditionally marks the opening of the Dutch rowing season. Organised by the Amsterdam rowing club Nereus since 1973, this year will be the 45th edition of the regatta, proudly sponsored by the Heineken Brewery.The Heineken features a unique course set on the river Amstel, situated close to Amsterdam's historic center. Crews row four distances: 250 meters, 750 meters, 2500 meters and 5000 meters. With its 3.000 contestants and 10.000 spectators it is the largest rowing regatta of the Netherlands.Are you interested in working together with us? Send us an e-mail at info@roeivierkamp.nlIf you are looking for information for international contestants, you can contact us via international@roeivierkamp.nl