STOCKHOLM — Olympic champion Lukas Martens of Germany has broken the men's 400-meter freestyle record at the Swim Open Stockholm. Martens became the first swimmer to break the 3 minute ...

(Kai Pfaffenbach/Reuters) Olympic champion Lukas Martens of Germany has broken the men's 400-metre freestyle record at the Swim Open Stockholm. Martens became the first swimmer to break the three ...

Olympic champion Lukas Martens of Germany has broken the men’s 400-meter freestyle record at the Swim Open Stockholm STOCKHOLM -- Olympic champion Lukas Martens of Germany has broken the men's ...

STOCKHOLM (AP) — Olympic champion Lukas Martens of Germany has broken the men’s 400-meter freestyle record at the Swim Open Stockholm. Martens became the first swimmer to break the 3 minute ...