50 Free SCY
PBFutures
20.14
Miami Invite
Nov 20, 2025
Swimmer profile
Zack Oswald
MaleOpen / SeniorIrish AquaticsIN · CENTRALCollege athlete · University of Notre DameD1
AAAA standard — elite national performance!
16 all-time personal bests this season!
Top 1 in IN — 100 Back SCY
Standards achieved
AAAA×5AAA×4AA×1A×2BB×1
All-time PBs
16events
Best IN rank
#1100 Back SCY
Events ranked
16SCY
Age group
Open / Senior
🏅 Major Cuts Achieved
12 events · top tier Nationals
50 Back SCY
Full standards ladder
- Sectionals24.79−3.11s
- Futures23.69−2.01s
- Summer Jr Nats22.49−0.81s
- Nationals22.39−0.71s
21.68PB
Cut: 22.39−0.71s margin
100 Back SCY
Full standards ladder
- Sectionals53.89−7.51s
- Futures51.49−5.11s
- Winter Juniors49.19−2.81s
- Summer Jr Nats48.59−2.21s
- Nationals47.89−1.51s
46.38PB
Cut: 47.89−1.51s margin
200 IM SCY
Full standards ladder
- Sectionals1:58.19−10.58s
- Futures1:53.89−6.28s
- Winter Juniors1:49.59−1.98s
- Summer Jr Nats1:48.49−0.88s
- Nationals1:46.79+0.82s
1:47.61PB
Cut: 1:48.49−0.88s margin
100 Free SCY
Full standards ladder
- Sectionals48.19−3.46s
- Futures46.39−1.66s
- Winter Juniors44.89−0.16s
- Summer Jr Nats44.39+0.34s
- Nationals43.69+1.04s
44.73PB
Cut: 44.89−0.16s margin
50 Free SCY
Full standards ladder
- Sectionals22.19−2.05s
- Futures20.39−0.25s
- Nationals19.39+0.75s
20.14PB
Cut: 20.39−0.25s margin
200 Free SCY
Full standards ladder
- Sectionals1:45.79−6.87s
- Futures1:41.59−2.67s
- Winter Juniors1:38.39+0.53s
- Summer Jr Nats1:37.59+1.33s
- Nationals1:36.19+2.73s
1:38.92PB
Cut: 1:41.59−2.67s margin
200 Back SCY
Full standards ladder
- Sectionals1:57.29−14.59s
- Futures1:46.49−3.79s
- Nationals1:41.69+1.01s
1:42.70PB
Cut: 1:46.49−3.79s margin
100 Fly SCY
Full standards ladder
- Sectionals52.89−5.59s
- Futures48.19−0.89s
- Nationals45.99+1.31s
47.30PB
Cut: 48.19−0.89s margin
200 Fly SCY
Full standards ladder
- Sectionals1:58.89−7.87s
- Futures1:53.69−2.67s
- Winter Juniors1:49.09+1.93s
- Summer Jr Nats1:47.89+3.13s
- Nationals1:45.89+5.13s
1:51.02PB
Cut: 1:53.69−2.67s margin
400 IM SCY
Full standards ladder
- Sectionals4:14.69−14.72s
- Futures4:06.99−7.02s
- Winter Juniors3:56.49+3.48s
- Summer Jr Nats3:52.69+7.28s
- Nationals3:49.79+10.18s
3:59.97PB
Cut: 4:06.99−7.02s margin
500 Free SCY
Full standards ladder
- Sectionals4:47.79−3.55s
- Futures4:37.09+7.15s
- Winter Juniors4:28.79+15.45s
- Summer Jr Nats4:25.59+18.65s
- Nationals4:23.99+20.25s
4:44.24PB
Cut: 4:47.79−3.55s margin
1650 Free SCY
Full standards ladder
- Sectionals16:43.89−17.98s
- Futures16:05.49+20.42s
- Winter Juniors15:40.39+45.52s
- Summer Jr Nats15:31.39+54.52s
- Nationals15:21.49+64.42s
16:25.91PB
Cut: 16:43.89−17.98s margin
100 Free SCY
PBWinter JuniorsAAAA
44.73
2025 MA Eastern Interscholastics
Feb 15, 2025
200 Free SCY
PBFuturesAAAA
1:38.92
2025 FL NCSA Spring Swimming Championships
Mar 20, 2025
500 Free SCY
PBSectionalsAAA
4:44.24
MA DSA WINTER CLASSIC A/BB/C MEET
Jan 7, 2023
1650 Free SCY
PBSectionalsAAA
16:25.91
MA SSC ARENA DISTANCE CARNIVAL
Feb 5, 2023
50 Back SCY
PBNationalsAAAA
21.68
2024 MA Eastern Interscholastic Swimming Championships
Feb 16, 2024
100 Back SCY
PBNationalsAAAA
46.38
2025 MA Eastern Interscholastics
Feb 15, 2025
200 Back SCY
PBFutures
1:42.70
Miami Invite
Nov 22, 2025
50 Breast SCY
PBA
31.71
2020 MA SSC Sprint Spectacular
Oct 9, 2020
100 Breast SCY
PBBB
1:06.32
MA SSC Blue and Gold Intrasquad
Oct 8, 2022
200 Breast SCY
PBA
2:21.87
2022 MA EAAC Spooktacular A-BB-C Meet
Oct 23, 2022
50 Fly SCY
PBAA
26.27
2020 MA OB Middle School Inter Ac
Jan 30, 2020
100 Fly SCY
PBFutures
47.30
Miami Invite
Nov 21, 2025
200 Fly SCY
PBFuturesAAA
1:51.02
2025 MA SSC Arena Distance Meet
Feb 2, 2025
200 IM SCY
PBSummer Jr NatsAAAA
1:47.61
2024 MA Eastern Interscholastic Swimming Championships
Feb 16, 2024
400 IM SCY
PBFuturesAAA
3:59.97
2024 MA Middle Atlantic Swimming Short Course Senior Championships
Mar 29, 2024