The Men's 100 metre freestyle competition at the 2017 World Championships was held on 26 and 27 July 2017.Schedule Start list

Records Prior to the competition, the existing world and championship records were as follows.

Results Heats The heats were held on 26 July at 09:45.Heats results

Rank Heat Lane Name Nationality Time Notes 1 12 4 47.97 Q 2 10 3 48.18Q 3 11 5 48.26 Q 4 12 7 48.43 Q 5 10 2 48.46 Q 12 5 Q 11 4 Q 11 6 Q 9 12 2 48.56 Q 10 7 Q 11 9 0 48.60 Q 12 12 6 48.64 Q 13 10 4 48.67 Q 14 9 5 48.75 Q 15 11 8 48.78 Q 16 12 1 48.80 Q 17 10 6 48.86 18 10 0 48.87 11 9 20 10 8 48.88 21 12 8 48.89 22 10 5 48.91 23 10 1 48.98 24 11 3 48.99 25 11 2 49.07 26 11 7 Yu Hexin 49.08 27 11 0 49.09 28 12 3 49.10 29 9 6 49.19 30 12 9 49.33 31 9 1 49.41 32 8 2 49.42 33 8 1 49.56 34 9 8 49.61 35 8 9 49.65 NR 36 9 9 49.66 37 9 4 Hoàng Quý Phước 49.67 38 9 7 49.71 39 8 7 49.78 40 8 4 49.79 41 7 4 49.81 42 9 2 49.82 43 11 1 49.83 44 12 0 49.86 45 8 5 49.91 46 8 6 49.99 9 3 48 8 8 50.01 49 7 6 50.06 NR 50 7 8 50.12 51 8 3 50.14 52 7 5 50.16 53 7 7 50.31 54 7 9 50.38 55 8 0 50.54 56 7 1 51.00 6 2 58 7 2 Wang Yu-lian 51.04 59 6 3 51.08 60 6 5 51.15 61 6 7 51.19 62 7 0 51.29 63 6 4 51.39 64 6 6 51.49 65 6 0 51.98 66 6 8 52.09 5 4 68 6 1 52.18 69 3 6 52.35 70 5 3 52.55 71 6 9 52.68 72 5 5 52.81 73 3 3 52.83 74 3 5 53.00 75 3 4 53.12 76 5 7 53.18 77 5 6 53.52 78 4 5 53.62 79 5 2 53.68 80 5 1 53.72 81 7 3 54.22 82 5 8 54.26 83 5 9 54.70 84 5 0 54.89 85 4 4 55.05 86 3 0 55.15 87 1 4 55.53 88 2 9 55.67 89 1 1 55.82 90 4 3 55.91 91 2 5 56.01 92 4 2 56.08 93 3 8 56.38 94 2 8 Boldbaataryn Buyantogtokh 56.50 95 2 6 56.63 96 2 6 56.68 97 4 7 56.79 98 1 0 56.93 99 2 2 57.38 100 2 3 57.53 101 1 7 58.21 102 1 8 Cheng Pirort 58.52 103 2 1 58.56 104 3 2 58.79 105 1 5 58.81 106 1 3 59.11 107 2 4 59.54 108 4 9 1:01.18 109 2 0 1:01.68 110 4 8 1:10.40 111 3 1 1:11.13 112 3 9 1:12.94 113 4 0 1:16.81 — 10 9 1 2 1 6 2 7 Suspended Member Federation 3 7 4 1

Semifinals The semifinals were held on 26 July at 17:41.Semifinals results

Semifinal 1 Rank Lane Name Nationality Time Notes 1 4 Mehdy Metella 47.65 Q 2 5 Jack Cartwright 47.97 Q 3 6 Duncan Scott 48.10 Q 4 3 Marcelo Chierighini 48.31 Q 5 1 Oussama Sahnoune 48.33 6 2 Yuri Kisil 48.50 7 8 Velimir Stjepanović 48.66 8 7 Gabriel Santos 48.72

Semifinal 2 Rank Lane Name Nationality Time Notes 1 5 Caeleb Dressel 47.66 Q 2 6 Nathan Adrian 47.85 Q 3 4 Cameron McEvoy 47.95 Q 4 7 Serhiy Shevtsov 48.30 Q, NR 5 3 Shinri Shioura 48.54 6 8 Ivano Vendrame 48.71 7 2 Danila Izotov 48.78 8 1 Pieter Timmers 48.96

Final The final was held on 27 July at 17:51.Final results

Rank Lane Name Nationality Time Notes 5 Caeleb Dressel 47.17 NR 3 Nathan Adrian 47.87 4 Mehdy Metella 47.89 4 6 Cameron McEvoy 47.92 5 7 Duncan Scott 48.11 8 Marcelo Chierighini 7 2 Jack Cartwright 48.24 8 1 Sergii Shevtsov 48.26 NR

References