50 Free SCY
PBWinter JuniorsAAAA
20.42
2025 CO OB CHSAA 4A State Championships
May 9, 2025
Swimmer profile
Ethan DiFronzo
MaleOpen / SeniorUniversity Of Notre DameIN · CENTRALCollege athlete · University of Notre DameD1
AAAA standard — elite national performance!
15 all-time personal bests this season!
Top 3 in IN — 100 Free SCY
Standards achieved
AAAA×3AAA×4AA×7A×1
All-time PBs
15events
Best IN rank
#3100 Free SCY
Events ranked
15SCY
Age group
Open / Senior
🏅 Major Cuts Achieved
9 events · top tier Winter Juniors
50 Free SCY
Full standards ladder
- Sectionals22.19−1.77s
- Futures21.29−0.87s
- Winter Juniors20.49−0.07s
- Summer Jr Nats20.39+0.03s
- Nationals20.09+0.33s
20.42PB
Cut: 20.49−0.07s margin
100 Free SCY
Full standards ladder
- Sectionals48.19−3.03s
- Futures46.39−1.23s
- Winter Juniors44.89+0.27s
- Summer Jr Nats44.39+0.77s
- Nationals43.69+1.47s
45.16PB
Cut: 46.39−1.23s margin
200 Free SCY
Full standards ladder
- Sectionals1:45.79−5.75s
- Futures1:41.59−1.55s
- Winter Juniors1:38.39+1.65s
- Summer Jr Nats1:37.59+2.45s
- Nationals1:36.19+3.85s
1:40.04PB
Cut: 1:41.59−1.55s margin
100 Back SCY
Full standards ladder
- Sectionals53.89−0.79s
- Futures51.49+1.61s
- Winter Juniors49.19+3.91s
- Summer Jr Nats48.59+4.51s
- Nationals47.89+5.21s
53.10PB
Cut: 53.89−0.79s margin
200 Back SCY
Full standards ladder
- Sectionals1:57.29−0.90s
- Futures1:52.79+3.60s
- Winter Juniors1:47.79+8.60s
- Summer Jr Nats1:46.49+9.90s
- Nationals1:44.79+11.60s
1:56.39PB
Cut: 1:57.29−0.90s margin
100 Breast SCY
Full standards ladder
- Sectionals1:00.89−1.62s
- Futures57.99+1.28s
- Winter Juniors55.49+3.78s
- Summer Jr Nats54.99+4.28s
- Nationals53.99+5.28s
59.27PB
Cut: 1:00.89−1.62s margin
50 Fly SCY
Full standards ladder
- Sectionals24.09−0.93s
- Futures22.89+0.27s
- Summer Jr Nats21.99+1.17s
- Nationals21.89+1.27s
23.16PB
Cut: 24.09−0.93s margin
100 Fly SCY
Full standards ladder
- Sectionals52.89−2.21s
- Futures50.59+0.09s
- Winter Juniors48.69+1.99s
- Summer Jr Nats48.19+2.49s
- Nationals47.49+3.19s
50.68PB
Cut: 52.89−2.21s margin
200 IM SCY
Full standards ladder
- Sectionals1:58.19−1.25s
- Futures1:53.89+3.05s
- Winter Juniors1:49.59+7.35s
- Summer Jr Nats1:48.49+8.45s
- Nationals1:46.79+10.15s
1:56.94PB
Cut: 1:58.19−1.25s margin
100 Free SCY
PBFuturesAAAA
45.16
2024 CO OB CHSAA 5A State Championships
May 10, 2024
200 Free SCY
PBFuturesAAAA
1:40.04
Miami Invite
Nov 21, 2025
500 Free SCY
PBAA
4:50.00
2025 CO NJ Pineapple Invite
Jan 11, 2025
50 Back SCY
PBAAA
29.58
2020 MW Midwest All Stars
Jan 18, 2020
100 Back SCY
PBSectionalsAA
53.10
2024 CO TOPS Fall Invite
Nov 17, 2024
200 Back SCY
PBSectionalsAA
1:56.39
2023 ST Spring Speedo Sectionals
Mar 25, 2023
50 Breast SCY
PBAAA
33.28
2019 CO CUDA Pentathlon XXXII
Nov 23, 2019
100 Breast SCY
PBSectionalsAA
59.27
2025 CO Colorado Senior Meet
Feb 22, 2025
200 Breast SCY
PBA
2:22.59
2023 CO CUDA Classic
Jan 15, 2023
50 Fly SCY
PBSectionalsAAA
23.16
2024 CO ACES High Point Invite
Nov 3, 2024
100 Fly SCY
PBSectionalsAAA
50.68
2024 Speedo Winter Junior Championships West
Dec 13, 2024
200 Fly SCY
PBAA
2:05.58
2021 CO LONG Great Pumpkin Pen
Oct 30, 2021
200 IM SCY
PBSectionalsAA
1:56.94
2025 CO NJ Pineapple Invite
Jan 10, 2025
400 IM SCY
PBAA
4:23.40
2024 CO Loveland Sweetheart Last Chance
Feb 10, 2024