Mariana Borelli (born 30 October 1992) is an Argentine middle-distance runner. She has won several medals at a regional level. Her twin sister, Florencia Borelli, is also a runner. International competitions Personal bests Outdoor 800 metres – 2:06.96 (São Paulo 2014) 1000 metres – 2:52.95 (Mar del Plata 2015) 1500 metres – 4:20.74 (Trujillo 2018) 3000 metres – 9:47.37 (Mar del Plata 2017) 10 kilometres – 35:08 (San Bernardo 2017) 15 kilometres – 57:30 (Buenos Aires 2017) Half marathon – 1:22:20 (Mar del Plata 2015) References 1992 births Living people Argentine female middle-distance runners Pan American Games competitors for Argentina Athletes (track and field) at the 2019 Pan American Games 21st-century Argentine women