The women's 800 metre freestyle competition of the swimming events at the 2023 Pan American Games were held on October 23, 2023, at the Aquatic Center in Santiago, Chile.

Records Prior to this competition, the existing world and Pan American Games records were as follows: World record8:04.79Rio de Janeiro, BrazilAugust 12, 2016Pan American Games record8:27.54Toronto, CanadaJuly 18, 2015

Results KEY:GRGames recordNRNational recordPBPersonal bestSBSeasonal best

Final The final round was held on October 23 and divided into three different races. RankRaceLaneNameNationalityTimeNotes 1 3Paige Madden 8:27.99 1 6Rachel Stege 8:28.50 1 5Viviane Jungblut 8:33.55 4 1 2Kristel Köbrich 8:35.69 5 1 4Agostina Hein 8:39.72 6 1 1Delfina Dini 8:47.78 7 1 7Gabrielle Roncatto 8:47.83 8 3 4María Yegres 9:01.12 9 1 8Laila Oravsky 9:05.45 10 3 5María Bramont-Arias 9:12.96 11 3 7Harper Barrowman 9:18.17 12 3 6Mahina Valvidia 9:21.95 13 3 2Ariana Valle 9:23.00 14 3 3Michell Ramirez 9:36.50 15 2 3María Morales 9:42.25 16 2 4Ayelet Battaglia 9:57.08 — 2 5Natalia Kuipers

References