Jenna Kozinski
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.65 | AA+0.66s to AAA·+0.36s to Sectionals | 2026-03-01 | 2026 Winter ISI Regionals- PAWWvenue |
| 100 Freestyle | SCY | 56.12 | AA+2.03s to AAA·+1.63s to Sectionals | 2026-02-28 | 2026 Winter ISI Regionals- PAWWvenue |
| 200 Freestyle | SCY | 2:01.41 | AA+4.42s to AAA·+3.52s to Sectionals | 2026-03-06 | 2026 SC Illinois Senior Championships - copivenue |
| 500 Freestyle | SCY | 5:31.83 | A+1.84s to AA·+16.84s to Sectionals | 2026-07-18 | 2026 ISI Summer BNSC Regionalvenue |
| 1000 Freestyle | SCY | 11:15.25 | AA+22.36s to AAA·+26.86s to Sectionals | 2026-07-17 | 2026 ISI Summer BNSC Regionalvenue |
| 1650 Freestyle | SCY | 18:59.92 | AA+43.23s to AAA·+43.43s to Sectionals | 2026-07-19 | 2026 ISI Summer BNSC Regionalvenue |
| 100 Butterfly | SCY | 1:05.93 | BB+2.44s to A·+6.34s to Sectionals | 2026-07-18 | 2026 ISI Summer BNSC Regionalvenue |
| 200 Individual Medley | SCY | 2:26.52 | BB+4.13s to A·+13.53s to Sectionals | 2026-07-18 | 2026 ISI Summer BNSC Regionalvenue |
| 400 Individual Medley | SCY | 5:24.48 | BB+20.99s to A·+40.49s to Sectionals | 2024-07-13 | 2024 IL EMSC Summer Regional Championshipsvenue |
| 50 Freestyle | LCM | 35.06 | B+1.47s to BB·+6.27s to Sectionals | 2022-06-03 | Meet Me in St. Louis |
| 100 Freestyle | LCM | 1:02.38 | AA+0.89s to AAA·+0.59s to Sectionals | 2025-08-03 | 2025 LC Illinois Senior Championshipsvenue |
| 200 Freestyle | LCM | 2:20.59 | A+1.40s to AA·+7.50s to Sectionals | 2026-07-24 | 2026 LC Illinois Senior Championshipsvenue |
| 800 Freestyle | LCM | 10:19.78 | A+10.79s to AA·+38.39s to Sectionals | 2026-07-23 | 2026 LC Illinois Senior Championshipsvenue |
| 50 Backstroke | LCM | 52.36 | +10.97s to B·+20.87s to Sectionals | 2019-04-12 | 2019 CFAC LC Kickoff |
| 100 Backstroke | LCM | 1:49.26 | +22.17s to B·+38.77s to Sectionals | 2018-06-22 | CSP Tideriders 80th Annual Summer Invitationa |
| 50 Breaststroke | LCM | 55.34 | +9.05s to B·+19.75s to Sectionals | 2019-04-12 | 2019 CFAC LC Kickoff |
| 100 Breaststroke | LCM | 1:36.59 | B+5.30s to BB·+16.60s to Sectionals | 2018-04-20 | 2018 CFAC LC Kickoff |
| 200 Breaststroke | LCM | 3:50.67 | +17.58s to B·+57.88s to Sectionals | 2022-06-03 | Meet Me in St. Louis |
| 50 Butterfly | LCM | 38.44 | B+2.25s to BB·+8.15s to Sectionals | 2018-04-20 | 2018 CFAC LC Kickoff |
| 100 Butterfly | LCM | 1:31.91 | +7.62s to B·+23.82s to Sectionals | 2022-06-03 | Meet Me in St. Louis |
| 200 Butterfly | LCM | 3:33.86 | +27.37s to B·+61.87s to Sectionals | 2022-06-03 | Meet Me in St. Louis |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.62 | flying | 200 Medley Relay (leg 4) | 2026-07-18 | 2026 ISI Summer BNSC Regional |
| 50 Freestyle | SCY | 25.29 | flying | 200 Free Relay (leg 4) | 2026-07-19 | 2026 ISI Summer BNSC Regional |
| 100 Freestyle | SCY | 55.52 | flying | 400 Free Relay (leg 4) | 2026-03-08 | 2026 SC Illinois Senior Championships - copi |
| 200 Freestyle | SCY | 2:01.24 | flying | 800 Free Relay (leg 4) | 2026-03-06 | 2026 SC Illinois Senior Championships - copi |
| 50 Butterfly | SCY | 28.58 | flying | 200 Medley Relay (leg 3) | 2026-02-28 | 2026 Winter ISI Regionals- PAWW |
| 50 Freestyle | LCM | 30.06 | flat | 200 Free Relay | 2025-08-02 | 2025 LC Illinois Senior Championships |
| 50 Freestyle | LCM | 28.66 | flying | 200 Medley Relay (leg 4) | 2025-08-03 | 2025 LC Illinois Senior Championships |
| 100 Freestyle | LCM | 1:01.84 | flying | 400 Medley Relay (leg 4) | 2025-08-02 | 2025 LC Illinois Senior Championships |
| 200 Freestyle | LCM | 2:07.91 | flying | 800 Free Relay (leg 4) | 2026-07-24 | 2026 LC Illinois Senior Championships |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 17-18 · SCY
1838 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:31.83 | 719 |
| 200 IM SCY | 2:26.52 | 587 |
| 400 IM SCY | 5:24.48 | 532 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
IMR 17-18 · SCY
1924 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:01.41 | 751 |
| 100 FL SCY | 1:05.93 | 586 |
| 200 IM SCY | 2:26.52 | 587 |
| 100 BK SCY | — | 0 |
| 100 BR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 56.12
Front half 26.59s · back half 29.53s
200 Freestyle SCY 2:01.41
Front half 59.12s · back half 62.29s
500 Freestyle SCY 5:31.83
Front half 163.01s · back half 168.82s
1000 Freestyle SCY 11:15.25
Front half 334.10s · back half 341.15s
1650 Freestyle SCY 18:59.92
100 Butterfly SCY 1:05.93
Front half 31.47s · back half 34.46s
200 Individual Medley SCY 2:26.52
Front half 69.07s · back half 77.45s
400 Individual Medley SCY 5:24.48
Front half 156.81s · back half 167.67s
100 Freestyle LCM 1:02.38 RT 0.63s
Front half 30.06s · back half 32.32s
200 Freestyle LCM 2:20.59
Front half 68.13s · back half 72.46s
800 Freestyle LCM 10:19.78 RT 0.51s
Front half 308.24s · back half 311.54s
100 Backstroke LCM 1:49.26 split/total mismatch
Front half 51.17s · back half 58.09s
200 Breaststroke LCM 3:50.67
Front half 110.08s · back half 120.59s
100 Butterfly LCM 1:31.91
Front half 42.36s · back half 49.55s
200 Butterfly LCM 3:33.86
Front half 99.99s · back half 113.87s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.