The 2018 Phillips 66 National Swimming Championships were held from July 25 to 29, 2018, at the William Woollett Jr. Aquatics Center in Irvine, California.[1]
| Event | Gold | Silver | Bronze | |||
|---|---|---|---|---|---|---|
| 50 m freestyle | Michael Andrew | 21.49 | Caeleb Dressel | 21.67 | Nathan Adrian | 21.85 |
| 100 m freestyle | Blake Pieroni | 48.08 | Nathan Adrian | 48.25 | Townley Haas | 48.30 |
| 200 m freestyle | Andrew Seliskar | 1:45.70 | Blake Pieroni | 1:45.93 | Conor Dwyer | 1:46.08 |
| 400 m freestyle | Zane Grothe | 3:46.53 | Grant Shoults | 3:46.90 | Chris Wieser | 3:48.92 |
| 800 m freestyle | Zane Grothe | 7:44.57 CR | Jordan Wilimovsky | 7:47.51 | Robert Finke | 7:51.45 |
| 1500 m freestyle | Jordan Wilimovsky | 14:48.89 | Robert Finke | 14:55.34 | Zane Grothe | 15:00.85 |
| 50 m backstroke | Ryan Murphy | 24.24 AM, CR | Justin Ress | 24.31 | Ryan Held | 24.60 |
| 100 m backstroke | Ryan Murphy | 52.51 | Matt Grevers | 52.55 | Justin Ress | 53.26 |
| 200 m backstroke | Ryan Murphy | 1:54.15 | Jacob Pebley | 1:55.68 | Austin Katz | 1:56.12 |
| 50 m breaststroke | Michael Andrew | 26.84 CR | Devon Nowicki | 27.12 | Ian Finnerty | 27.19 |
| 100 m breaststroke | Michael Andrew | 59.38 | Andrew Wilson | 59.43 | Devon Nowicki | 59.48 |
| 200 m breaststroke | Josh Prenot | 2:07.28 | Andrew Wilson | 2:08.71 | Will Licon | 2:08.72 |
| 50 m butterfly | Michael Andrew | 22.93 CR | Caeleb Dressel | 22.97 | Chatham Dobbs | 23.38 |
| 100 m butterfly | Caeleb Dressel | 50.50 | Jack Conger | 51.11 | Michael Andrew | 51.68 |
| 200 m butterfly | Justin Wright | 1:54.63 | Zach Harting | 1:55.11 | Luca Urlando Jack Conger |
1:55.21 |
| 200 m IM | Chase Kalisz | 1:55.73 | Abrahm DeVine | 1:57.41 | Gunnar Bentz Andrew Seliskar |
1:58.23 |
| 400 m IM | Chase Kalisz | 4:08.25 | Jay Litherland | 4:10.21 | Sean Grieshop | 4:12.72 |
| Event | Gold | Silver | Bronze | |||
|---|---|---|---|---|---|---|
| 50 m freestyle | Simone Manuel | 24.10 CR | Abbey Weitzeil | 24.63 | Margo Geer | 24.79 |
| 100 m freestyle | Simone Manuel | 52.54 CR | Mallory Comerford | 53.09 | Margo Geer | 53.44 |
| 200 m freestyle | Katie Ledecky | 1:54.60 | Allison Schmitt | 1:55.82 | Gabby DeLoof | 1:56.55 |
| 400 m freestyle | Katie Ledecky | 3:59.09 | Leah Smith | 4:02.21 | Haley Anderson | 4:07.21 |
| 800 m freestyle | Katie Ledecky | 8:11.98 | Leah Smith | 8:22.79 | Haley Anderson | 8:24.13 |
| 1500 m freestyle | Ashley Twichell | 15:55.68 | Ally McHugh | 16:02.56 | Erica Sullivan | 16:02.88 |
| 50 m backstroke | Olivia Smoliga | 27.70 | Ali DeLoof | 27.88 | Elise Haan | 27.90 |
| 100 m backstroke | Kathleen Baker | 58.00 WR | Olivia Smoliga | 58.75 | Regan Smith | 58.83 WJR |
| 200 m backstroke | Kathleen Baker Regan Smith |
2:06.43 WJR |
Not awarded | Isabelle Stadden | 2:08.24 | |
| 50 m breaststroke | Lilly King | 29.82 | Molly Hannis | 30.07 | Katie Meili | 30.72 |
| 100 m breaststroke | Lilly King | 1:05.36 | Katie Meili | 1:06.19 | Micah Sumrall | 1:06.34 |
| 200 m breaststroke | Micah Sumrall | 2:22.06 | Bethany Galat | 2:23.32 | Annie Lazor | 2:24.42 |
| 50 m butterfly | Kelsi Dahlia | 25.48 =AM, CR | Kendyl Stewart | 25.83 | Hellen Moffitt | 26.45 |
| 100 m butterfly | Kelsi Dahlia | 56.83 | Katie McLaughlin | 57.51 | Kendyl Stewart | 57.70 |
| 200 m butterfly | Hali Flickinger | 2:06.14 | Katie Drabot | 2:07.18 | Regan Smith | 2:07.42 |
| 200 m IM | Kathleen Baker | 2:08.32 CR | Melanie Margalis | 2:09.43 | Ella Eastin | 2:10.84 |
| 400 m IM | Ally McHugh | 4:34.80 | Brooke Forde | 4:35.09 | Melanie Margalis | 4:35.50 |