Ram Baboo and Manju Rani rewrote the men and women's 35km national records en route to winning gold medals on the concluding day of the National Race Walking Championships here on Wednesday.

The 23-year-old Manju, representing Punjab, became the first Indian woman to clock sub-3 hour in 35km race walk event, winning in 2:57.54s, as she broke the earlier national record of 3:00.04s set last year by Ramandeep Kaur.