{"id":620408,"date":"2025-08-06T09:46:00","date_gmt":"2025-08-06T16:46:00","guid":{"rendered":"https:\/\/www.swimmingworldmagazine.com\/news\/?p=620408"},"modified":"2025-08-06T10:21:02","modified_gmt":"2025-08-06T17:21:02","slug":"tyr-summer-championships-day-two-prelims-alex-shackell-grabs-top-seed-in-100-butterfly","status":"publish","type":"post","link":"https:\/\/www.swimmingworldmagazine.com\/news\/tyr-summer-championships-day-two-prelims-alex-shackell-grabs-top-seed-in-100-butterfly\/","title":{"rendered":"TYR Summer Championships, Day Two Prelims: Alex Shackell Grabs Top Seed in 100 Butterfly; Duel on Tap in 400 Freestyle"},"content":{"rendered":"

TYR Summer Championships, Day Two Prelims: Alex Shackell Grabs Top Seed in 100 Butterfly<\/strong><\/p>\n

The first night of the TYR Summer Championships offered some impressive speed, as Australia Jamie Jack paced the way in the men’s 50-meter freestyle, going 21.63, while American Kieran Smith bested the field in the 200 individual medley with a swim of 1:57.26. On the women’s side, Tokyo Olympian Rhyan White was the titlist in the 200 backstroke and Louisville recruit Julie Mishler went 24.90 to win the 50 freestyle.<\/p>\n

Smith will be back in the pool on Wednesday morning for the Day Two prelims at the William Woollett Aquatic Center. Smith is slated to race the 400 freestyle, an event in which he is an Olympic bronze medalist. That 400 freestyle will also include Paris Olympian Aaron Shackell, making for an enticing final during the night session. In the 100 butterfly, Alex Shackell will headline her field.<\/p>\n

Here’s an event-by-event recap of the Day Two prelims:<\/p>\n

Day One Finals<\/a>
\nMeet Results<\/a><\/p>\n

Women’s 400 Freestyle<\/h3>\n

Bound for the University of Virginia, Madi Mintenko<\/strong> nailed down the top seed for the final of the 400 freestyle with a morning swim of 4:09.34. That effort was more than two seconds faster than Justina Kozan<\/strong>, who was the winner of the 200 individual medley on Night One. At night, Mintenko will chase her personal best, which sits at 4:07.53.<\/p>\n

A quartet of swimmers moved into the final behind 4:12 performances, including Australia’s Molly Walker<\/strong> (4:12.04) and Chloe Stepanek<\/strong> (4:12.53). Bella Sims<\/strong> (4:12.61) and Gena Jorgenson<\/strong> (4:12.89) followed in fifth and sixth. Sims just returned from the World Championships in Singapore, where she raced a leg on the United States’ 800 freestyle relay during prelims.<\/p>\n

 Event 11  Women 400 LC Meter Freestyle<\/b>\r\n==================================================================\r\n        World: W 3:54.15  6\/7\/2025  Summer McIntosh, CAN\r\n     American: A 3:56.46  8\/7\/2016  Katie Ledecky, USA\r\n    U.S. Open: O 3:56.81  5\/1\/2025  Katie Ledecky, Gator Swim Club-\r\n     Jr World: J 3:56.08  3\/28\/2023 Summer McIntosh, CAN\r\n     Pro Swim: P 3:56.81  5\/1\/2025  Katie Ledecky, Gator Swim Club-\r\n    Name            Age Team                 Seed    Prelims              \r\n==================================================================\r\n                      === Preliminaries ===                       <\/b>\r\n \r\n  1 Madi Mintenko    17 Pikes Peak Athle  4:07.53    4:09.34     q  \r\n    r:+0.78  28.75      1:00.00 (31.25)\r\n        1:31.76 (31.76)     2:03.94 (32.18)\r\n        2:34.84 (30.90)     3:06.01 (31.17)\r\n        3:37.84 (31.83)     4:09.34 (31.50)\r\n  2 Justina Kozan    21 Brea Aquatics-CA  4:38.00Y   4:11.43     q  \r\n    r:+0.62  28.84        59.82 (30.98)\r\n        1:31.68 (31.86)     2:03.49 (31.81)\r\n        2:35.67 (32.18)     3:07.87 (32.20)\r\n        3:40.05 (32.18)     4:11.43 (31.38)\r\n  3 Molly Walker     20 Australia-IT      4:10.87    4:12.04     q  \r\n    r:+0.71  28.65        59.57 (30.92)\r\n        1:31.36 (31.79)     2:03.74 (32.38)\r\n        2:35.78 (32.04)     3:08.28 (32.50)\r\n        3:40.43 (32.15)     4:12.04 (31.61)\r\n  4 Chloe Stepanek   23 Unattached-MR     4:17.30    4:12.53     q  \r\n    r:+0.64  29.05      1:00.33 (31.28)\r\n        1:32.35 (32.02)     2:04.37 (32.02)\r\n        2:36.51 (32.14)     3:08.50 (31.99)\r\n        3:40.89 (32.39)     4:12.53 (31.64)\r\n  5 Bella Sims       20 Sandpipers Of Ne  4:07.11    4:12.61     q  \r\n             28.07        58.97 (30.90)\r\n        1:31.04 (32.07)     2:03.46 (32.42)\r\n        2:35.58 (32.12)     3:07.86 (32.28)\r\n        3:40.33 (32.47)     4:12.61 (32.28)\r\n  6 Gena Jorgenson   21 Club Husker-MW\/N  4:11.96    4:12.89     q  \r\n    r:+0.74  29.19      1:00.68 (31.49)\r\n        1:32.48 (31.80)     2:04.82 (32.34)\r\n        2:36.90 (32.08)     3:09.24 (32.34)\r\n        3:41.41 (32.17)     4:12.89 (31.48)\r\n  7 Michaela Mattes  20 Gator Swim Club-  4:09.66    4:14.12     q  \r\n    r:+0.76  29.52      1:01.30 (31.78)\r\n        1:33.18 (31.88)     2:05.40 (32.22)\r\n        2:37.28 (31.88)     3:09.38 (32.10)\r\n        3:42.35 (32.97)     4:14.12 (31.77)\r\n  8 Summer Cardwell  20 Univ Louisville-  4:14.00    4:14.21     q  \r\n    r:+0.73  29.17      1:00.29 (31.12)\r\n        1:32.45 (32.16)     2:04.55 (32.10)\r\n        2:37.37 (32.82)     3:10.01 (32.64)\r\n        3:43.01 (33.00)     4:14.21 (31.20)<\/pre>\n
Men’s 400 Freestyle<\/h3>\n
United States Olympians Aaron Shackell<\/strong> and Kieran Smith<\/strong> will duel in the final of the 400 freestyle after finishing second and third in the event during prelims. Aussie Matthew Galea<\/strong> secured the top seed for evening when he posted a time of 3:50.58. Shackell was right behind Galea in 3:50.65 while Smith went 3:51.26 en route to winning the second of three heats.<\/p>\n
Shackell and Smith are targeting a swim faster than 3:45.71 in the final. That time is what teenage star Luka Mijatovic posted at Nationals and is currently good for a berth to the Pan Pacific Championships next summer. However, if Shackell or Smith can get under that time, they would bump ahead of Mijatovic for the Pan Pacs bid.<\/p>\n
 Event 12  Men 400 LC Meter Freestyle<\/b>\r\n==================================================================\r\n        World: W 3:39.96  4\/12\/2025 Lucas Martens, GER\r\n     American: A 3:42.78  8\/10\/2008 Larsen Jensen, USA\r\n    U.S. Open: O 3:43.33  6\/6\/2025  Rex Maurer, Longhorn Aquatic\r\n     Jr World: J 3:44.31  7\/9\/2023  Petar Petrov Mitsin, BUL\r\n     Pro Swim: P 3:43.55  2016      Sun Yang\r\n    Name            Age Team                 Seed    Prelims              \r\n==================================================================\r\n                      === Preliminaries ===                       <\/b>\r\n \r\n  1 Matthew Galea    23 Australia-IT      3:48.12    3:50.58     q  \r\n    r:+0.67  26.97        56.39 (29.42)\r\n        1:26.11 (29.72)     1:55.85 (29.74)\r\n        2:24.68 (28.83)     2:53.58 (28.90)\r\n        3:22.50 (28.92)     3:50.58 (28.08)\r\n  2 Aaron Shackell   20 Carmel Swim Club  3:45.45    3:50.65     q  \r\n    r:+0.65  26.18        55.05 (28.87)\r\n        1:24.60 (29.55)     1:54.29 (29.69)\r\n        2:23.03 (28.74)     2:52.65 (29.62)\r\n        3:22.06 (29.41)     3:50.65 (28.59)\r\n  3 Kieran Smith     25 Ridgefield Aquat  3:45.76    3:51.26     q  \r\n    r:+0.69  26.81        56.30 (29.49)\r\n        1:25.80 (29.50)     1:54.97 (29.17)\r\n        2:24.34 (29.37)     2:53.27 (28.93)\r\n        3:22.51 (29.24)     3:51.26 (28.75)\r\n  4 Alec Enyeart     21 Tsunami Swim Tea  3:48.46    3:52.44     q  \r\n    r:+0.68  26.79        55.67 (28.88)\r\n        1:24.91 (29.24)     1:54.70 (29.79)\r\n        2:24.77 (30.07)     2:54.21 (29.44)\r\n        3:23.84 (29.63)     3:52.44 (28.60)\r\n  5 Colin Jacobs     16 Unattached-FL     3:53.66    3:53.59     q  \r\n    r:+0.69  26.84        55.93 (29.09)\r\n        1:25.87 (29.94)     1:55.83 (29.96)\r\n        2:25.42 (29.59)     2:55.26 (29.84)\r\n        3:24.84 (29.58)     3:53.59 (28.75)\r\n  6 Gabriel Manteuf  17 Sandpipers Of Ne  3:54.17    3:53.61     q  \r\n    r:+0.74  26.73        55.89 (29.16)\r\n        1:24.64 (28.75)     1:54.08 (29.44)\r\n        2:23.53 (29.45)     2:53.57 (30.04)\r\n        3:23.68 (30.11)     3:53.61 (29.93)\r\n  7 Mason Edmund     21 Ohio State Unive  3:52.51    3:54.93     q  \r\n    r:+0.74  27.36        56.98 (29.62)\r\n        1:26.58 (29.60)     1:56.59 (30.01)\r\n        2:26.48 (29.89)     2:56.54 (30.06)\r\n        3:26.22 (29.68)     3:54.93 (28.71)\r\n  8 Juan Vallmitjan  16 South Florida Aq  3:55.66    3:55.37     q  \r\n    r:+0.71  27.49        56.91 (29.42)\r\n        1:26.65 (29.74)     1:56.80 (30.15)\r\n        2:27.21 (30.41)     2:57.80 (30.59)\r\n        3:26.61 (28.81)     3:55.37 (28.76)<\/pre>\n
Women’s 100 Butterfly<\/h3>\n
Olympian and Team USA veteran Alex Shackell<\/strong> had no trouble claiming the top seed for the final of the 100 butterfly, as she registered a time of 57.69. Shackell’s time was more than a second faster than the 58.75 of Australian Bella Grant<\/strong>, who will be the second seed. Shackell missed out on a spot on the U.S. squad that just competed at the World Championships, but she’s looking to end the summer on a positive note.<\/p>\n
Bailey Hartman<\/strong> was the third-fastest swimmer in prelims, going 59.31.<\/p>\n
 Event 13  Women 100 LC Meter Butterfly<\/b>\r\n==================================================================\r\n        World: W 54.60  5\/3\/2025  Gretchen Walsh, USA\r\n     American: A 54.60  5\/3\/2025  Gretchen Walsh, New York Athleti\r\n    U.S. Open: O 54.60  5\/3\/2025  Gretchen Walsh, New York Athleti\r\n     Jr World: J 56.33  6\/22\/2024 Mizuki Hirai, JPN\r\n     Pro Swim: P 54.60  5\/3\/2025  Gretchen Walsh, New York Athleti\r\n    Name            Age Team                 Seed    Prelims              \r\n==================================================================\r\n                      === Preliminaries ===                       <\/b>\r\n \r\n  1 Alex Shackell    18 Carmel Swim Club    56.78      57.69     q  \r\n    r:+0.59  26.66        57.69 (31.03)\r\n  2 Bella Grant      20 Australia-IT        58.26      58.75     q  \r\n    r:+0.66  27.46        58.75 (31.29)\r\n  3 Bailey Hartman   19 Cavalier Aquatic    58.83      59.31     q  \r\n    r:+0.67  27.65        59.31 (31.66)\r\n  4 Sydney Gring     20 Univ Pittsburgh-  1:00.08      59.58     q  \r\n    r:+0.62  28.20        59.58 (31.38)\r\n  5 Rachel Klinker   24 California Aquat    59.06      59.66     q  \r\n    r:+0.67  28.35        59.66 (31.31)\r\n  5 Isabella Boyd    20 Australia-IT        58.44      59.66     q  \r\n    r:+0.67  28.88        59.66 (30.78)\r\n  7 Erika Pelaez     19 Eagle Aquatics-F    59.32      59.83     q  \r\n    r:+0.64  28.29        59.83 (31.54)\r\n  8 Miriam Sheehan   20 Sun Devil Swimmi    59.83    1:00.21     q  \r\n    r:+0.66  28.26      1:00.21 (31.95)<\/pre>\n
Men’s 100 Butterfly<\/h3>\n
Racing in the last of three heats, Trenton Julian<\/strong> recorded the quickest time of the morning in the 100 butterfly. Julian touched the wall in 51.18, as he was out in 24.25 and back in 26.93. Julian was one of three athletes to break the 52-second barrier during prelims, joined by Australia’s Ben Armbruster<\/strong> (51.73) and Aiden Hayes<\/strong>\u00a0(51.83).<\/p>\n
Top-seeded Caeleb Dressel<\/strong>, who was third in the 50 freestyle on the opening night of competition, was a declared false start in the 100 fly. Dressel is also entered in the 50 butterfly, which is scheduled for Thursday.<\/p>\n
 Event 14  Men 100 LC Meter Butterfly<\/b>\r\n==================================================================\r\n        World: W 49.45  7\/31\/2021 Caeleb Dressel, USA\r\n     American: A 49.45  7\/30\/2021 Caeleb Dressel, USA\r\n    U.S. Open: O 49.76  6\/18\/2021 Caeleb Dressel, Gator Swim Club-\r\n     Jr World: J 50.62  7\/29\/2017 Kristof Milak, HUN\r\n     Pro Swim: P 50.42  5\/3\/2025  Ilya Kharun, Unattached-AZ\r\n    Name            Age Team                 Seed    Prelims              \r\n==================================================================\r\n                      === Preliminaries ===                       <\/b>\r\n \r\n  1 Trenton Julian   26 Mission Viejo Na    51.53      51.18     q  \r\n    r:+0.62  24.25        51.18 (26.93)\r\n  2 Ben Armbruster   23 Australia-IT        51.17      51.73     q  \r\n    r:+0.64  24.04        51.73 (27.69)\r\n  3 Aiden Hayes      22 Wolfpack Elite-N    51.43      51.83     q  \r\n    r:+0.65  24.30        51.83 (27.53)\r\n  4 Julian Koch      19 Univ Pittsburgh-    52.28      52.16     q  \r\n    r:+0.69  23.85        52.16 (28.31)\r\n  5 Evan Fentress    21 Ohio State Unive    52.27      52.35     q  \r\n    r:+0.67  24.31        52.35 (28.04)\r\n  6 Jack Dahlgren    25 Unattached-MV       52.02      52.63     q  \r\n    r:+0.68  24.73        52.63 (27.90)\r\n  7 August Vetsch    19 California Aquat    52.11      52.71     q  \r\n    r:+0.69  24.23        52.71 (28.48)\r\n  8 Grant House      27 Sun Devil Swimmi    52.49      52.96     q  \r\n    r:+0.66  24.73        52.96 (28.23)<\/pre>\n
Women’s 200 Breaststroke<\/h3>\n
Australia’s Sienna Harben<\/strong>, the second-place finisher from the 100 breaststroke on Night One, led the way through prelims in the 200 breaststroke. Harben was the only athlete under 2:30, clocking in at 2:28.15. That time was nearly four seconds faster than 47-year-old Gabby Rose<\/strong>, who earned the second seed in 2:32.03. She was followed by fellow American Isabelle Odgers<\/strong> (2:32.66).<\/p>\n
 Event 15  Women 200 LC Meter Breaststroke<\/b>\r\n==================================================================\r\n        World: W 2:17.55  4\/21\/2023 Evgeniia Chikunova, RUS\r\n     American: A 2:18.50  8\/1\/2025  Kate Douglass, USA\r\n    U.S. Open: O 2:19.30  1\/13\/2024 Kate Douglass, New York Athleti\r\n     Jr World: J 2:19.64  8\/30\/2015 Viktoria Gunes, TUR\r\n     Pro Swim: P 2:19.30  1\/13\/2024 Kate Douglass, New York Athleti\r\n    Name            Age Team                 Seed    Prelims              \r\n==================================================================\r\n                      === Preliminaries ===                       <\/b>\r\n \r\n  1 Sienna Harben    21 Australia-IT      2:26.94    2:28.15     q  \r\n    r:+0.68  33.29      1:11.05 (37.76)\r\n        1:49.16 (38.11)     2:28.15 (38.99)\r\n  2 Gabrielle Rose   47 Alpha Aquatics-C  2:30.13    2:32.03     q  \r\n    r:+0.70  34.21      1:12.45 (38.24)\r\n        1:52.01 (39.56)     2:32.03 (40.02)\r\n  3 Isabelle Odgers  24 Irvine Novaquati  2:28.58    2:32.66     q  \r\n    r:+0.72  34.68      1:13.31 (38.63)\r\n        1:52.52 (39.21)     2:32.66 (40.14)\r\n  4 Mackenzie Lung   21 Fresno State Swi  2:31.30    2:33.01     q  \r\n    r:+0.68  33.83      1:13.48 (39.65)\r\n        1:53.37 (39.89)     2:33.01 (39.64)\r\n  5 Mia Cheatwood    21 Univ Louisville-  2:32.72    2:33.55     q  \r\n    r:+0.70  33.67      1:11.08 (37.41)\r\n        1:51.26 (40.18)     2:33.55 (42.29)\r\n  6 Jonette Laegrei  20 Indiana Swim Clu  2:08.59Y   2:33.76     q  \r\n             35.47      1:14.37 (38.90)\r\n        1:53.78 (39.41)     2:33.76 (39.98)\r\n  7 Ella Flowers     21 Trojan Swim Club  2:31.92    2:34.42     q  \r\n    r:+0.68  34.91      1:13.25 (38.34)\r\n        1:53.47 (40.22)     2:34.42 (40.95)\r\n  8 Sofia Szymanows  16 Irvine Novaquati  2:34.09    2:35.06     q  \r\n    r:+0.74  34.71      1:14.49 (39.78)\r\n        1:54.57 (40.08)     2:35.06 (40.49)<\/pre>\n
Men’s 200 Breaststroke<\/h3>\n
Indiana’s Jassen Yep<\/strong> was swiftest in the prelims of the 200 breaststroke, an event in which he captured an NCAA title earlier this year. Yep put together a performance of 2:12.87, which was slightly faster than the 2:13.07 of Charlie Egeland<\/strong>. Also advancing to the final were Adam Chillingworth<\/strong> (2:13.23) and Joshua Collett<\/strong> (2:13.62).<\/p>\n
 Event 16  Men 200 LC Meter Breaststroke<\/b>\r\n==================================================================\r\n        World: W 2:05.48  7\/28\/2023 Haiyang Qin, CHN\r\n     American: A 2:06.54  6\/19\/2024 Matthew Fallon, Univ Pennsylvani\r\n    U.S. Open: O 2:06.54  6\/19\/2024 Matthew Fallon, Univ Pennsylvani\r\n     Jr World: J 2:06.91  6\/21\/2025 Shin Ohashi, JPN\r\n     Pro Swim: P 2:08.18  4\/13\/2024 Matthew Fallon, Univ Pennsylvani\r\n    Name            Age Team                 Seed    Prelims              \r\n==================================================================\r\n                      === Preliminaries ===                       <\/b>\r\n \r\n  1 Jassen Yep       22 Indiana Swim Clu  2:11.32    2:12.87     q  \r\n    r:+0.60  30.02      1:03.72 (33.70)\r\n        1:37.86 (34.14)     2:12.87 (35.01)\r\n  2 Charlie Egeland  20 Indiana Swim Clu  2:13.97    2:13.07     q  \r\n    r:+0.63  30.16      1:03.73 (33.57)\r\n        1:38.08 (34.35)     2:13.07 (34.99)\r\n  3 Adam Chillingwo  27 Int Club Team-IT  2:11.57    2:13.23     q  \r\n    r:+0.62  30.20      1:04.13 (33.93)\r\n        1:38.46 (34.33)     2:13.23 (34.77)\r\n  4 Joshua Collett   21 Australia-IT      2:10.78    2:13.61     q  \r\n    r:+0.63  30.01      1:03.77 (33.76)\r\n        1:38.22 (34.45)     2:13.61 (35.39)\r\n  5 Logan Brown      20 Texas A & M Univ  2:13.04    2:13.86     q  \r\n    r:+0.60  30.37      1:04.56 (34.19)\r\n        1:38.95 (34.39)     2:13.86 (34.91)\r\n  6 Jake Eccleston   19 Univ Louisville-  2:12.54    2:14.29     q  \r\n    r:+0.68  29.58      1:03.66 (34.08)\r\n        1:38.61 (34.95)     2:14.29 (35.68)\r\n  7 Finlay Schuster  21 Australia-IT      2:11.65    2:14.53     q  \r\n    r:+0.67  30.67      1:04.94 (34.27)\r\n        1:39.71 (34.77)     2:14.53 (34.82)\r\n  8 Daniel Li        19 Rose Bowl Aquati  2:13.59    2:14.68     q  \r\n    r:+0.66  30.29      1:04.49 (34.20)\r\n        1:38.69 (34.20)     2:14.68 (35.99)<\/pre>\n
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TYR Summer Championships, Day Two Prelims: Alex Shackell Grabs Top Seed in 100 Butterfly The first night of the TYR Summer Championships offered some impressive speed, as Australia Jamie Jack<\/p>\n","protected":false},"author":7533,"featured_media":613647,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"dois","enabled":false},"version":2}},"categories":[3,122077,7],"tags":[131134,35724,53502,136659],"class_list":["post-620408","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-featured","category-americas","category-usa","tag-aaron-shackell","tag-caeleb-dressel","tag-kieran-smith","tag-tyr-summer-championships"],"jetpack_publicize_connections":[],"yoast_head":"\r\nAlex Shackell Grabs Top Seed in 100 Butterfly<\/title>\r\n<meta name=\"description\" content=\"Alex Shackell claimed the top seed for the final of the 100 butterfly by more than a second at the TYR Summer Championships.\" \/>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/www.swimmingworldmagazine.com\/news\/tyr-summer-championships-day-two-prelims-alex-shackell-grabs-top-seed-in-100-butterfly\/\" \/>\r\n<meta property=\"og:locale\" content=\"en_US\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"TYR Summer Championships, Day Two Prelims: Alex Shackell Grabs Top Seed in 100 Butterfly; 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