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| Women Class 1 50m Butterfly |
| Semi-F | ||||||||
| Lane | Name | Rank | Time | Remarks | ||||
| 4 | YUU TAMAKOSHI | 1 | 38.74 | R | ||||
| 2 | HARUKA KATAYAMA | 2 | 41.41 | R | ||||
| 1 | RENA TSUKIYAMA | 3 | 44.64 | R | ||||
| 1 | SAKI KISHIMOTO | 4 | 45.35 | R | ||||
| Women Class 2 50m Butterfly |
| Semi-F | ||||||||
| Lane | Name | Rank | Time | Remarks | ||||
| 7 | KOTONO UEDA | 1 | 32.77 | R | ||||
| 7 | MISAKI YOSHITOSHI | 2 | 33.76 | R | ||||
| 6 | MAI FUJIWARA | 3 | 34.50 | R | ||||
| 6 | YUUKI NAKAHARA | 4 | 35.09 | R | ||||
| 6 | KANAKO SHIGE | 5 | 35.17 | R | ||||
| 4 | SAKI YOSHIMOTO | 6 | 35.56 | R | ||||
| 5 | WAKANA GOMYOU | 7 | 35.84 | R | ||||
| 5 | SAYORI MATSUMOTO | 8 | 36.10 | R | ||||
| 5 | CHIAKI TAMAKOSHI | 9 | 36.43 | R | ||||
| 4 | MIKA UCHIYAMA | 10 | 36.55 | R | ||||
| 6 | CHISAKI KITANI | 11 | 36.69 | R | ||||
| 5 | SANAE MIWA | 12 | 36.93 | R | ||||
| 4 | MAI YASUZATO | 13 | 37.53 | R | ||||
| 4 | SAHO YAMAGUCHI | 14 | 38.68 | R | ||||
| 2 | MINA KOIKE | 15 | 39.22 | R | ||||
| 1 | YUUKA TATSUMI | 16 | 39.54 | R | ||||
| 1 | KANA OGAWA | 17 | 40.02 | R | ||||
| 2 | RISA KANEDA | 18 | 40.23 | R | ||||
| 3 | NAYUKO FUJITA | 19 | 40.43 | R | ||||
| 3 | KAZUMI KOIZUMI | 20 | 41.37 | R | ||||
| 2 | ARISA SAKA | 21 | 41.60 | R | ||||
| 2 | CHIHARU MORIZANE | 22 | 41.76 | R | ||||
| 1 | HITOMI ANDOU | 23 | 42.66 | R | ||||
| 2 | AIRI KOGA | 24 | 43.07 | R | ||||
| 3 | TSUGUMI HIROTA | 25 | 43.71 | R | ||||
| 1 | ASUKA NAKAGAWA | 26 | 44.86 | R | ||||
| Women Class 3 50m Butterfly |
| Semi-F | ||||||||
| Lane | Name | Rank | Time | Remarks | ||||
| 9 | YUUKA MASAKI | 1 | 31.20 | R | ||||
| 9 | NORIKO MURASHIMA | 2 | 31.65 | R | ||||
| 8 | MAO MORI | 3 | 32.76 | R | ||||
| 7 | MIYU MATSUI | 4 | 33.10 | R | ||||
| 8 | IMARI MORISHITA | 5 | 33.20 | R | ||||
| 8 | NATSUKI GOTOU | 6 | 33.22 | R | ||||
| 8 | KANA IWASAKA | 7 | 33.68 | R | ||||
| 7 | AKIE NAGAO | 8 | 34.06 | R | ||||
| 5 | RINA YAMADA | 9 | 34.12 | R | ||||
| 7 | CHIHIRO SHIBAYAMA | 10 | 34.39 | R | ||||
| 6 | KANAE TSUJI | 11 | 34.53 | R | ||||
| 7 | SAYAKA OKUNO | 12 | 34.98 | R | ||||
| 6 | YUKA NAKAMURA | 13 | 35.52 | R | ||||
| 5 | YUUKI YAGI | 14 | 35.79 | R | ||||
| 4 | SHIORI MORIMOTO | 15 | 37.35 | R | ||||
| 5 | 神原 亜美 | 16 | 37.44 | |||||
| 4 | MASAMI OHI | 17 | 37.98 | R | ||||
| 3 | NATSUMI YAMANE | 18 | 40.01 | R | ||||
| 3 | SHIZUKA NAKAGAWA | 19 | 40.57 | R | ||||
| 3 | 藤井 優奈 | 20 | 40.88 | |||||
| 7 | AYA IWASE | DNS | ||||||
| Women Class 4 50m Butterfly |
| Semi-F | ||||||||
| Lane | Name | Rank | Time | Remarks | ||||
| 9 | KASUGA HARA | 1 | 30.37 | R | ||||
| 8 | NAHO MAEDA | 2 | 32.43 | R | ||||
| 6 | SAEKO IWATA | 3 | 35.52 | R | ||||
| 9 | AYUMI SANAKA | DNS | ||||||
| Women Class 5 50m Butterfly |
| Semi-F | ||||||||
| Lane | Name | Rank | Time | Remarks | ||||
| 9 | YOUKO SHIMO | 1 | 30.54 | R | ||||
| 8 | SAKI KOIKE | 2 | 31.95 | R | ||||
| 9 | KANA HIGASHIDA | 3 | 32.29 | R | ||||
| 8 | ASUKA HARA | 4 | 34.15 | R | ||||
| Women Class 6 50m Butterfly |
| Semi-F | ||||||||
| Lane | Name | Rank | Time | Remarks | ||||
| 9 | CHIHIRO KINOSHITA | 1 | 30.57 | R | ||||