The men's 100 metre butterfly at the 2025 Summer World University Games in Rhine-Ruhr, Germany was held from 21 to 22 July 2025. Gianmarco Sansone from Italy won the gold medal, Björn Kammann from Germany took the silver medal and Eldorbek Usmonov from Uzbekistan earned the bronze medal.

Schedule All times are Central European Time (UTC+1) Date Time Round21 July 09:00 Heats 20:36 Semifinals 22 July 19:00 Final

Records Prior to the competition, the world and Universiade records were as follows. Category Swimmer Record Date Place Event World record Caeleb Dressel 49.45 31 July 2021 Tokyo, Japan 2020 Summer Olympics Universiade record Jason Dunford 50.85 9 Jul 2009 Belgrade, Serbia 2009 Summer Universiade

Results Heats All entered athletes competed across multiple seeded heats in the morning session. Swimmers with the top 16 fastest times advanced, regardless of which individual heat they swam.

Rank Heat Lane Swimmer Nation Time Notes 1 7 4 51.94 2 7 2 52.12 3 6 5 52.32 4 8 6 52.52 5 6 7 52.62 6 8 4 52.66 7 8 5 52.67 8 7 5 52.71 9 8 3 Wang Kuan-hung 52.73 10 6 4 52.80 11 7 3 52.82 12 7 6 52.86 13 7 7 52.89 14 6 6 Kim Ji-hun 52.91 15 8 2 52.99 16 8 1 53.27 17 8 8 53.28 18 7 1 53.67 19 8 7 53.69 20 6 3 53.70 21 4 5 53.72 22 4 6 53.85 23 5 4 53.98 23 6 1 53.98 25 5 3 54.08 26 1 5 54.17 26 6 8 54.17 28 5 5 54.20 29 4 4 54.21 30 5 2 54.30 31 1 4 54.34 32 7 8 Ng Cheuk Yin 54.45 33 5 7 54.51 34 6 2 54.52 35 5 1 54.60 36 5 6 54.79 37 5 8 54.93 38 4 1 55.87 39 4 3 55.88 40 4 7 55.95 41 3 4 56.05 42 4 8 56.38 43 4 2 56.57 44 2 4 57.27 45 2 8 57.31 46 3 6 57.58 47 3 3 57.82 48 3 2 57.86 49 2 3 58.10 50 3 5 58.23 51 3 1 59.43 52 3 8 59.65 53 2 5 1:00.77 54 2 7 Lei Hoi Man 1:00.78 55 2 1 1:03.22 56 1 3 1:04.06 57 2 2 1:07.45 — 2 6 — 3 7

Semifinals The 16 advancing swimmers were split into two semifinal heats of 8 during the evening session. The swimmers recording the top 8 fastest times advanced to the final round.

Rank Heat Lane Swimmer Nation Time Notes 1 1 7 51.52 2 1 4 52.03 3 1 2 52.07 4 1 1 Kim Ji-hun 52.20 5 2 4 52.24 6 2 3 52.30 7 2 1 52.32 8 2 2 Wang Kuan-hung 52.35 9 1 5 52.36 9 1 3 52.36 11 2 7 52.43 12 2 5 52.48 13 2 6 52.71 14 2 8 53.10 15 1 6 53.16 16 1 8 55.14

Final The fastest 8 swimmers competed in a single race to determine the gold, silver and bronze medalists.

Rank Lane Swimmer Nation Time Notes 3 51.40 2 51.70 7 51.84 4 4 52.06 5 8 Wang Kuan-hung 52.18 6 5 52.31 6 6 Kim Ji-hun 52.31 8 1 52.36

External links Swimming Rhine Ruhr 2025

References