| Swimming – Women's 100 metre freestyle at the 2015 SEA Games | ||||||||||
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| Venue | OCBC Aquatic Centre | |||||||||
| Date | 8 June 2015 | |||||||||
| Competitors | 14 from 9 nations | |||||||||
| Medalists | ||||||||||
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The women's 100 metre freestyle competition of the swimming event at the 2015 SEA Games was held on 8 June at the OCBC Aquatic Centre in Kallang, Singapore. [1]
Prior to this competition, the existing Asian and Games records were as follows:
| Asian Record |  Pang Jiaying (CHN) | 53.13 | Jinan, China | 22 October 2009 |
| Games Record |  Quah Ting Wen (SIN) | 56.03 | Vientiane, Laos | 10 December 2009 |
The following records were established during the competition:
| Date | Event | Name | Nationality | Time | Record |
|---|---|---|---|---|---|
| 8 June | Final | Quah Ting Wen | Singapore (SIN) | 55.93 | GR |
All times are Singapore Standard Time (UTC+08:00)
| Date | Time | Event |
|---|---|---|
| Monday, 8 June 2015 | 09:05 | Heat 1 |
| 09:07 | Heat 2 | |
| 19:38 | Final |
| KEY: | Q | Qualified | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best | WD | Withdrew | DNF | Did not finish |
The heats were held on 8 June.
Heat 1 was held on 8 June.
| Rank | Lane | Athletes | Time | Notes |
|---|---|---|---|---|
| 1 | 5 |  Jasmine Alkhaldi (PHI) | 56.92 | Q |
| 2 | 3 |  Nguyễn Thị Ánh Viên (VIE) | 57.17 | Q |
| 3 | 4 | Lim Xiang Qi (SIN) | 57.23 | Q |
| 4 | 6 |  Chui Lai Kwan (MAS) | 58.34 | Q |
| 5 | 2 |  Kathriana Mella Gustianji (INA) | 59.20 | Q, WD |
| 6 | 7 |  Oo Shun Lei Maw (MYA) | 1:06.56 | |
| 7 | 1 |  Veomany Siriphone (LAO) | 1:13.63 |
Heat 2 was held on 8 June.
| Rank | Lane | Athletes | Time | Notes |
|---|---|---|---|---|
| 1 | 4 | Quah Ting Wen (SIN) | 58.75 | Q |
| 2 | 3 | Patricia Yosita Hapsari (INA) | 58.78 | Q |
| 2 | 5 |  Natthanan Junkrajang (THA) | 58.78 | Q |
| 4 | 2 | Nguyễn Thị Diệu Linh (VIE) | 59.28 | Q |
| 5 | 7 | San Su Moe Theint (MYA) | 1:01.54 | |
| 6 | 6 | Benjaporn Sriphanomthorn (THA) | 1:05.11 | |
| 7 | 1 |  Vitiny Hemthon (CAM) | 1:06.15 |
The final was held on 8 June.
| Rank | Lane | Athletes | Time | Notes |
|---|---|---|---|---|
 | 2 | Quah Ting Wen (SIN) | 55.93 | GR |
 | 5 | Nguyễn Thị Ánh Viên (VIE) | 56.05 | |
 | 4 | Jasmine Alkhaldi (PHI) | 56.10 | |
| 4 | 1 | Natthanan Junkrajang (THA) | 56.42 | |
| 5 | 3 | Lim Xiang Qi (SIN) | 56.66 | |
| 6 | 6 | Chui Lai Kwan (MAS) | 57.67 | |
| 7 | 7 | Patricia Yosita Hapsari (INA) | 57.88 | |
| 8 | 8 | Nguyễn Thị Diệu Linh (VIE) | 59.46 |
