The women's 100 metre backstroke event at the 2026 Commonwealth Games was held on 25 and 26 July at the Tollcross International Swimming Centre.

Schedule The schedule is as follows:

All times are British Summer Time (UTC+1) Date Time Round Saturday 25 July 2026 10:30 Heats 19:00 Semifinals Sunday 26 July 2026 19:00 Final

Results Heats The heats was held on the morning of 25 July 2026. + Heat results Rank Heat Lane Swimmer Nation Time Notes 1 5 4 59.86 Q 2 3 4 59.90 Q 3 4 4 1:00.18 Q 4 5 3 1:00.59 Q 5 4 5 1:00.99 Q 6 5 5 1:01.12 Q 7 3 3 1:01.21 Q 8 4 6 1:01.28 Q 9 3 5 1:01.46 Q 10 4 3 1:01.47 Q 11 3 2 1:01.54 Q 12 5 2 1:01.74 Q 13 4 1 1:01.83 Q 14 3 6 1:02.19 Q 15 5 7 1:02.23 Q 16 5 6 1:02.35 Q 17 4 2 1:02.44 R 18 5 1 1:02.83 R 19 3 7 1:03.23 20 5 8 1:04.13 21 3 1 1:04.30 22 3 8 1:04.92 23 2 4 1:05.48 24 2 6 1:05.57 25 2 3 1:06.52 26 4 8 1:06.61 27 1 5 1:06.67 28 2 5 1:07.13 29 2 2 1:07.28 30 1 4 1:07.80 31 2 7 1:08.41 32 2 1 1:08.64 33 2 8 1:08.80 34 1 6 1:12.39 35 1 3 1:13.63 - 4 7 DNS

Semifinals The semifinals took place during of the evening of 25 July 2026. + Semifinals results Rank Heat Lane Swimmer Nation Time Notes 1 1 4 59.71 Q 3 2 5 1:00.11 Q 3 2 4 1:00.18 Q 4 1 3 1:00.39 Q 5 1 5 1:00.48 Q 6 2 1 1:00.51 Q 7 2 3 1:00.74 Q 8 1 2 1:00.82 Q 9 1 6 1:00.83 10 2 6 1:01.20 11 2 2 1:01.24 12 2 7 1:01.35 13 1 1 1:02.16 14 1 7 1:02.34 15 2 8 1:03.22 16 1 8 1:03.47

Final The final took place during of the evening of 26 July 2026. + Final results Rank Lane Swimmer Nation Time Notes 3 58.71 4 58.77 2 1:00.09 4 5 1:00.17 5 6 1:00.35 6 1 1:00.88 7 7 1:00.92 8 8 1:01.61

References