Aarti won a bronze in women's 10000m race walk event with national record time to open India's medal account in the World U20 Athletics Championships in Lima on Friday.
The 17-year-old Aarti clocked 44 minutes 39.39 seconds to finish third in the gruelling event on the penultimate day of competitions.
Chinese race walkers Zhuoma Baima (43:26.60) and Meiling Chen (44:30.67) took the gold and silver respectively.
On Thursday night, Pooja Singh rewrote the national U20 women's national record in high jump to enter the final with a ninth-place finish in the qualification round.
The 17-year-old, who hails from Fatehbad district of Haryana, cleared a height of 1.83m to finish second in qualification round group B and ninth overall and qualify for the final to be held on Saturday.
Daughter of a mason, Pooja broke her own national U20 record of 1.82m set last year in Korea while winning a silver medal at the Asian U20 Championships.
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