Isaac Nader

Isaac Nader is a Portuguese middle-distance runner specialising in the 1500 m. He is the 2025 World Champion in the 1500 m, and the Portuguese record holder in the 800 m, 1500 m and mile, both indoors and outdoors.

He was the 2021 Portuguese indoor champion in the 1500 and 3000 m, and won the 3000 m at the 2021 European Athletics Team Championships in Chorzów. In 2025, Nader won a bronze medal in the 1500 m at the European Indoor Championships.

In September 2025, he became world champion in the 1500 metres. He holds the Portuguese records both indoors and outdoors, in the 800 m, 1500 m and mile. At club level, Nader represents S.L. Benfica.