2024-25 USC Men's Swimming & Diving Roster
Roster
IM/BREAST
/ Men's Swimming & Diving
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/ Men's Swimming & Diving
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/ Men's Swimming & Diving
FREE
/ Men's Swimming & Diving
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/ Men's Swimming & Diving
FREE/IM/FLY
/ Men's Swimming & Diving
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/ Men's Swimming & Diving
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/ Men's Swimming & Diving
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/ Men's Swimming & Diving
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/ Men's Swimming & Diving
BACK/FREE
/ Men's Swimming & Diving
BREAST
/ Men's Swimming & Diving
DIVING
/ Men's Swimming & Diving
FREE
/ Men's Swimming & Diving
DIVING
/ Men's Swimming & Diving
FREE/IM
/ Men's Swimming & Diving
FREE/FLY
/ Men's Swimming & Diving
IM
/ Men's Swimming & Diving
IM/BREAST
/ Men's Swimming & Diving
BREAST
/ Men's Swimming & Diving
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/ Men's Swimming & Diving
BACK
/ Men's Swimming & Diving
IM
/ Men's Swimming & Diving
FREE
/ Men's Swimming & Diving
FLY/FREE
/ Men's Swimming & Diving
IM/BREAST
/ Men's Swimming & Diving
FREE
/ Men's Swimming & Diving
FREE
/ Men's Swimming & Diving
FREE
/ Men's Swimming & Diving
FLY/FREE
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DIVING
/ Men's Swimming & Diving
DIVING
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Ronald Dalmacio
- Height:
- 6-0
- Class:
- Junior
- Hometown:
- Pasadena, Calif.
- High School:
- Harvard-Westlake
2024-25 SEASON:
2023-24 SEASON:
HIGH SCHOOL: Dalmacio has been breaking National Age Group Records since his time in the 10&Unders, swimming with Rose Bowl Aquatics and the Harvard Westlake School ... He helped bring Harvard-Westlake to a third-place team finish at the 2021 CIF Southern Section D1 Championships and won the 50 free (20.32) and 100 back (47.88) and was a member of the winning 200 medley relay (21.63 butterfly split) ... At the 2022 California/Nevada Speedo Sectionals, Dalmacio placed second in the 50 free and 200 back, and won bronze in the 100 back and 100 fly events.
CLUB: Rose Bowl Aquatics
PERSONAL: Born May 15, 2004 to parents John and Rhina ... lists winning 2019 Winter Juniors as a team by 1/2 a point as his most thrilling moment in sports ... majoring in Real Estate Development
DALMACIO'S PERSONAL RECORDS
- Did not compete at the 2025 Big Ten Championships.
- At the 2024 USC Swim Invite, Dalmacio was second in the 200y back (1:47.00) and swam on a pair of Trojan relays.
2023-24 SEASON:
- At the Pac-12 Championships, Dalmacio finished 30th in the 50y free (20.08), 22nd in the 100y backstroke (47.90), and 20th in the 200y backstroke (1:45.75 / 1:44.38)
HIGH SCHOOL: Dalmacio has been breaking National Age Group Records since his time in the 10&Unders, swimming with Rose Bowl Aquatics and the Harvard Westlake School ... He helped bring Harvard-Westlake to a third-place team finish at the 2021 CIF Southern Section D1 Championships and won the 50 free (20.32) and 100 back (47.88) and was a member of the winning 200 medley relay (21.63 butterfly split) ... At the 2022 California/Nevada Speedo Sectionals, Dalmacio placed second in the 50 free and 200 back, and won bronze in the 100 back and 100 fly events.
CLUB: Rose Bowl Aquatics
PERSONAL: Born May 15, 2004 to parents John and Rhina ... lists winning 2019 Winter Juniors as a team by 1/2 a point as his most thrilling moment in sports ... majoring in Real Estate Development
DALMACIO'S PERSONAL RECORDS
| Event | Time |
| 50-yard free | 20.08 |
| 100-yard free | 44.27 |
| 100-yard fly | 48.15 |
| 100-yard back | 47.80 |
| 200-yard back | 1:44.13 |
Trojans Live: USC's Lincoln Riley, Hank Pepper, and Nebraska Preview | October 27, 2025
Monday, October 27
Women's Soccer - USC 0, UCLA 0: Highlights (10/26/2025)
Sunday, October 26
USC Women's Volleyball vs Washington Post Game Press Conference (10/26/25)
Sunday, October 26
Women's Volleyball USC 3, Washington 1: Highlights (10/26/25)
Sunday, October 26
