Swimming at the 2015 Pan American Games – Women's 100 metre butterfly
The women's 100 metre butterfly competition of the swimming events at the 2015 Pan American Games took place on July 16 at the CIBC Pan Am/Parapan Am Aquatics Centre and Field House in Toronto, Canada. The defending Pan American Games champion was Claire Donahue of the United States.
This race consisted of two lengths of the pool, all lengths in butterfly. The top eight swimmers from the heats would qualify for the A final, while the next best eight swimmers would qualify for the B final.
Records
Prior to this competition, the existing world and Pan American Games records were as follows:| World record | 55.98 | London, United Kingdom | July 29, 2012 | |
| Pan American Games record | 58.59 | Guadalajara, Mexico | October 15, 2011 |
The following new records were set during this competition.
| Date | Event | Name | Nationality | Time | Record |
| 16 July | Heat 1 | Kelsi Worrell | 57.24 | GR |
Qualification
Each National Olympic Committee was able to enter up to two entrants providing they had met the A standard in the qualifying period. NOCs were also permitted to enter one athlete providing they had met the B standard in the same qualifying period. All other competing athletes were entered as universality spots.Schedule
All times are Eastern Time Zone.| Date | Time | Round |
| July 16, 2015 | 10:45 | Heats |
| July 16, 2015 | 20:03 | Final B |
| July 16, 2015 | 20:08 | Final A |
Results
Heats
The first round was held on July 16.| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 1 | 4 | Kelsi Worrell | QA, GR | ||
| 2 | 3 | 4 | Katerine Savard | QA | ||
| 3 | 2 | 4 | Noemie Thomas | QA | ||
| 4 | 3 | 5 | Daynara de Paula | QA | ||
| 5 | 2 | 5 | Daiene Dias | QA | ||
| 6 | 3 | 3 | Arianna Vanderpool-Wallace | QA | ||
| 7 | 1 | 5 | Gia Dalesandro | QA | ||
| 8 | 1 | 3 | Jessica Camposano | 1:00.85 | QA | |
| 9 | 2 | 6 | Marie Meza | 1:01.01 | QB | |
| 10 | 3 | 2 | Ana Sofia Revilak | 1:01.25 | QB | |
| 11 | 2 | 2 | Isabella Paez | 1:01.27 | QB | |
| 12 | 1 | 6 | Belen Diaz | 1:01.53 | QB | |
| 13 | 1 | 2 | McKenna de Bever | 1:01.62 | QB | |
| 14 | 3 | 6 | Diana Luna | 1:01.85 | QB | |
| 15 | 2 | 3 | Carolina Colorado | 1:02.36 | QB | |
| 16 | 2 | 7 | Tereysa Lehnertz | 1:02.43 | QB | |
| 17 | 3 | 7 | Sharon Bravo | 1:03.67 | ||
| 18 | 1 | 7 | Trudian Patrick | 1:04.43 | ||
| 19 | 2 | 1 | Dalia Torrez | 1:04.79 | ||
| 20 | 3 | 1 | Estefania Urzua | 1:05.79 | ||
| 21 | 1 | 1 | Oreoluwa Cherebin | 1:10.05 |
B Final
The B final was also held on July 16.| Rank | Lane | Name | Nationality | Time | Notes |
| 9 | 5 | Isabella Paez | 1:00.79 | ||
| 10 | 4 | Ana Sofia Revilak | 1:01.16 | ||
| 11 | 2 | Diana Luna | 1:01.49 | ||
| 12 | 3 | Belen Diaz | 1:01.50 | ||
| 13 | 7 | Carolina Colorado | 1:01.81 | ||
| 14 | 1 | Tereysa Lehnertz | 1:02.02 | ||
| 15 | 6 | McKenna de Bever | 1:02.10 | ||
| 8 | Sharon Bravo |
A Final
The A final was also held on July 16.| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Kelsi Worrell | 57.78 | |||
| 3 | Noemie Thomas | 58.00 | |||
| 5 | Katerine Savard | 58.05 | |||
| 4 | 6 | Daynara de Paula | 58.56 | ||
| 5 | 2 | Daiene Dias | 58.74 | ||
| 6 | 7 | Gia Dalesandro | 59.24 | ||
| 7 | 8 | Marie Meza | |||
| 8 | 1 | Jessica Camposano |