In the 400 m freestyle, Khudyakova challenged six other swimmers on the second heat, including two-time Olympian Golda Marcus of El Salvador. She raced to second and thirty-third overall by a quarter of a second (0.25) behind Venezuela's Yanel Pinto in 4:18.34. In her third event, 200 m freestyle, Khudyakova posted her personal best of 2:02.27 to top the first heat by 0.61 of a second ahead of Thailand's Natthanan Junkrajang. Khudyakova failed to advance into the semifinals, as she placed thirty-fifth overall in the preliminaries.