Mangalore. Karnataka’s Hasika Ramachandra broke the 13-year-old national record in the women’s 400m freestyle category at the 77th Senior National Swimming Championship. Hasika clocked 4 minutes 24.70 seconds, breaking Jharkhand’s Richa Mishra’s record of 4:25.76 minutes. Karnataka’s Aneesh S Gowda won the men’s 400m event with a timing of 3:56.59 minutes. Tamil Nadu’s Suresh won the gold medal in men’s 200m breaststroke with a timing of 2:18.85 minutes.