The men's 100 metre butterfly competition of the swimming events at the 2019 Pan American Games was held on August 7, 2019 at the Villa Deportiva Nacional Videna cluster.

Records Prior to this competition, the existing world and Pan American Games records were as follows: World record49.50Gwangju, South KoreaJuly 26, 2019Pan American Games record52.04Toronto, CanadaJuly 16, 2015

Results KEY:qFastest non-qualifiersQQualifiedGRGames recordNRNational recordPBPersonal bestSBSeasonal best

Heats The first round was held on August 7.

Rank Heat Lane Name Nationality Time Notes 1 2 4 Luis Martínez 51.44 QA, GR, NR 2 2 5 Santiago Grassi 51.92 QA 3 3 5 Matthew Josa 52.28 QA 4 3 4 Vinicius Lanza 53.11 QA 5 1 4 Tom Shields 53.29 QA 6 3 6 Ben Hockin 53.43 QA 7 1 5 Long Gutiérrez 54.05 QA 8 2 6 David Arias 54.16 QA 9 1 3 Roberto Strelkov 54.18 QB 10 3 3 Esnaider Reales 54.19 QB 11 2 3 Mateo González Medina 54.37 QB 12 1 6 Bryan Chavez Avendaño 54.85 QB 13 2 1 Javier Tang Juy 55.47 QB 14 3 2 Kael Yorke 55.53 QB 15 2 2 N'Nhyn Fernander 55.65 QB 16 2 7 Bryan Alvaréz 55.80 QB 17 1 7 Carlos Vasquez Moreno 56.01 18 1 2 Gabriel Araya 56.13 19 3 1 Lázaro Martín Vergara 56.17 20 1 1 Gustavo Gutierrez Lozano 56.20 21 3 7 Adriel Sanes 56.46 22 2 8 Lleyton Martin 58.28 23 3 8 Jesse Washington 58.54

Final B The B final was also held on August 7.Men's 100m Butterfly - B Final Rank Lane Name Nationality Time Notes 9 4 Roberto Strelkov 54.04 10 3 Mateo González Medina 54.09 11 5 Esnaider Reales 54.30 12 6 Bryan Chavez Avendaño 54.82 13 8 Bryan Alvaréz 55.50 14 1 N'Nhyn Fernander 55.71 15 7 Kael Yorke 55.90 16 2 Javier Tang Juy 56.06

Final A The A final was also held on August 7.Men's 100m Butterfly - A Final Rank Lane Name Nationality Time Notes 2 Tom Shields 51.59 4 Luis Martínez 51.63 6 Vinicius Lanza 51.88 4 5 Santiago Grassi 52.15 5 3 Matthew Josa 52.22 6 1 Long Gutiérrez 53.67 7 7 Ben Hockin 53.70 8 8 David Arias 54.06

References