Luz Mery Rojas Llanco (born 20 June 1993) is a Peruvian female long-distance runner who competes over distances from 5000 metres to the marathon.
She was the gold medallist in the 10,000 metres at the 2023 South American Championships in Athletics and went on to represent Peru at the 2023 World Athletics Championships in the 10,000 m. She also won a 5000 metres gold medal at the 2018 Ibero-American Championships in Athletics and ran for the host nation at the 2019 Pan American Games.
Rojas represented Peru at the World Athletics Half Marathon Championships in 2016 and 2018, and is a three-time medallist at the South American Games. She also competed for Peru at under-20 level at the 2011 IAAF World Cross Country Championships. Rojas has been Peruvian national champion over 5000 metres, 10,000 meters and the half marathon.
Personal bests
3000 metres – 9:59.01 (2012) 5000 metres – 15:45.52 (2019) 10,000 metres – 33:07.74 (2023) 3000 metres steeplechase – 10:44.7 (2011) 10K run – 33:21 (2016) Half marathon – 1:10:32 (2023) Marathon – 2:36:20 (2022) All details from World Athletics profile