Leon Kocherovsky
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.21 | AA+0.52s to AAA·Sectionals ✓+0.92s to Futures | 2025-02-09 | 2025 NE CRA Last Chance February Invitationalvenue |
| 100 Freestyle | SCY | 48.88 | AA+1.19s to AAA·+0.39s to Sectionals | 2025-02-09 | 2025 NE CRA Last Chance February Invitationalvenue |
| 200 Freestyle | SCY | 1:59.29 | BB+4.40s to A·+13.00s to Sectionals | 2024-10-12 | 2024 NE CRA October Distance & Specialty Meetvenue |
| 1000 Freestyle | SCY | 11:00.29 | BB+3.30s to A·+60.80s to Sectionals | 2024-09-28 | 2024 NE CRA Sept Distance & Speccialtyvenue |
| 50 Backstroke | SCY | 30.18 | B+1.49s to BB·+6.49s to Futures | 2020-12-19 | 2020 NE CRIM DecTeam Specialty |
| 100 Backstroke | SCY | 54.47 | A+0.58s to AA·Sectionals ✓+2.98s to Futures | 2025-03-29 | 2025 EZ North Speedo Short Course Sectionalsvenue |
| 200 Backstroke | SCY | 2:22.36 | B+8.27s to BB·+23.77s to Sectionals | 2026-01-01 | 2020 Shawmut Sprint |
| 50 Breaststroke | SCY | 26.50 | AAAA·+0.21s to Futures | 2026-03-29 | 2026 EZ North Speedo Short Course Sectionalsvenue |
| 100 Breaststroke | SCY | 57.38 | AAA+1.19s to AAAA·Futures ✓+1.89s to Winter JNs | 2025-03-28 | 2025 EZ North Speedo Short Course Sectionalsvenue |
| 200 Breaststroke | SCY | 2:06.42 | AAA+4.23s to AAAA·Futures ✓+4.83s to Winter JNs | 2025-03-29 | 2025 EZ North Speedo Short Course Sectionalsvenue |
| 50 Butterfly | SCY | 23.32 | AAA+0.13s to AAAA·+0.43s to Futures | 2026-03-29 | 2026 EZ North Speedo Short Course Sectionalsvenue |
| 100 Butterfly | SCY | 51.49 | AAA+2.30s to AAAA·Sectionals ✓+0.90s to Futures | 2024-12-12 | 2024 NE CRA Winter Invitational |
| 200 Butterfly | SCY | 2:00.42 | AA+4.53s to AAA·Sectionals ✓+6.73s to Futures | 2025-02-09 | 2025 NE CRA Last Chance February Invitationalvenue |
| 100 Individual Medley | SCY | 1:06.90 | 2020-12-19 | 2020 NE CRIM DecTeam Specialty | |
| 200 Individual Medley | SCY | 2:01.38 | AA+5.19s to AAA·+1.99s to Sectionals | 2024-03-24 | 2024 EZ North Region Speedo Sectional Champsvenue |
| 400 Individual Medley | SCY | 4:26.15 | A+3.96s to AA·+11.06s to Sectionals | 2025-01-03 | 2025 NE PHX Boston Winter Classicvenue |
| 50 Freestyle | LCM | 25.42 | AA+0.33s to AAA·Sectionals ✓+0.83s to Futures | 2024-05-12 | 2024 NE BGSC May 10-12 Spring Flingvenue |
| 100 Freestyle | LCM | 56.93 | AA+1.74s to AAA·+1.44s to Sectionals | 2024-05-11 | 2024 NE BGSC May 10-12 Spring Flingvenue |
| 200 Freestyle | LCM | 2:14.78 | BB+3.19s to A·+13.49s to Sectionals | 2024-05-12 | 2024 NE BGSC May 10-12 Spring Flingvenue |
| 400 Freestyle | LCM | 4:46.11 | BB+5.42s to A·+28.52s to Sectionals | 2024-05-10 | 2024 NE BGSC May 10-12 Spring Flingvenue |
| 100 Backstroke | LCM | 1:03.17 | AA+1.78s to AAA·+1.18s to Sectionals | 2024-05-11 | 2024 NE BGSC May 10-12 Spring Flingvenue |
| 50 Breaststroke | LCM | 31.34 | AAA+0.65s to AAAA·+0.45s to Futures | 2026-01-01 | 2026 NE Swimming LC Senior Championships - Brown University, S#: NE26-0709CSvenue |
| 100 Breaststroke | LCM | 1:10.09 | AA+1.70s to AAA·+0.40s to Sectionals | 2024-05-12 | 2024 NE BGSC May 10-12 Spring Flingvenue |
| 200 Breaststroke | LCM | 2:46.68 | BB+3.39s to A·+14.09s to Sectionals | 2024-07-28 | 2024 NE SHAWMUT America's Cupvenue |
| 50 Butterfly | LCM | 27.44 | AA+0.05s to AAA·+1.15s to Futures | 2024-07-26 | 2024 NE SHAWMUT America's Cupvenue |
| 100 Butterfly | LCM | 1:01.25 | AA+2.36s to AAA·+1.06s to Sectionals | 2024-05-11 | 2024 NE BGSC May 10-12 Spring Flingvenue |
| 400 Individual Medley | LCM | 5:13.08 | A+8.29s to AA·+23.19s to Sectionals | 2024-05-31 | 2024 NE BGSC May Summer Fiestavenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 | 22.00 | flat | 200 Free Relay | 2026-03-29 | 2026 EZ North Speedo Short Course Sectionals |
| 50 Freestyle | SCY | 21.68 | flying | 200 Free Relay (leg 4) | 2024-03-24 | 2024 EZ North Region Speedo Sectional Champs |
| 100 Freestyle | SCY | 48.98 | flat | 400 Free Relay | 2024-03-23 | 2024 EZ North Region Speedo Sectional Champs |
| 100 Freestyle | SCY | 49.50 | flying | 400 Free Relay (leg 2) | 2024-03-08 | 2024 NE CRIM 15-19 AG Championships |
| 50 Backstroke | SCY | 25.13 | flat | 200 Medley Relay | 2024-03-07 | 2024 NE CRIM 15-19 AG Championships |
| 50 Breaststroke | SCY | 26.24 | flying | 200 Medley Relay (leg 2) | 2026-03-28 | 2026 EZ North Speedo Short Course Sectionals |
| 100 Breaststroke | SCY | 58.95 | flying | 400 Medley Relay (leg 2) | 2026-03-29 | 2026 EZ North Speedo Short Course Sectionals |
| 50 Butterfly | SCY | 23.19 | flying | 200 Medley Relay (leg 3) | 2025-03-29 | 2025 EZ North Speedo Short Course Sectionals |
| 100 Butterfly | SCY | 51.65 | flying | 400 Medley Relay (leg 3) | 2025-03-30 | 2025 EZ North Speedo Short Course Sectionals |
| 50 Butterfly | LCM | 27.12 | flying | 200 Medley Relay (leg 3) | 2024-07-28 | 2024 NE SHAWMUT America's Cup |
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
3553 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:22.36 | 435 |
| 200 BR SCY | 2:06.42 | 891 |
| 200 FL SCY | 2:00.42 | 757 |
| 200 IM SCY | 2:01.38 | 756 |
| 400 IM SCY | 4:26.15 | 714 |
| 500 FR SCY | — | 0 |
IMR 17-18 · SCY
3866 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:59.29 | 592 |
| 100 BK SCY | 54.47 | 723 |
| 100 BR SCY | 57.38 | 929 |
| 100 FL SCY | 51.49 | 866 |
| 200 IM SCY | 2:01.38 | 756 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 48.88
Front half 23.51s · back half 25.37s
200 Freestyle SCY 1:59.29
Front half 56.48s · back half 62.81s
1000 Freestyle SCY 11:00.29
Front half 328.86s · back half 331.43s
100 Backstroke SCY 54.47
Front half 26.38s · back half 28.09s
100 Breaststroke SCY 57.38
Front half 27.08s · back half 30.30s
200 Breaststroke SCY 2:06.42
Front half 61.57s · back half 64.85s
100 Butterfly SCY 51.49 split/total mismatch
Front half 24.01s · back half 27.48s
200 Butterfly SCY 2:00.42
Front half 57.30s · back half 63.12s
100 Individual Medley SCY 1:06.90 split/total mismatch
Front half 30.84s · back half 36.06s
200 Individual Medley SCY 2:01.38
Front half 56.36s · back half 65.02s
400 Individual Medley SCY 4:26.15
Front half 128.94s · back half 137.21s
100 Freestyle LCM 56.93
Front half 27.13s · back half 29.80s
200 Freestyle LCM 2:14.78
Front half 63.88s · back half 70.90s
400 Freestyle LCM 4:46.11
Front half 142.80s · back half 143.31s
100 Backstroke LCM 1:03.17
Front half 30.12s · back half 33.05s
100 Breaststroke LCM 1:10.09
Front half 32.05s · back half 38.04s
200 Breaststroke LCM 2:46.68
Front half 81.36s · back half 85.32s
100 Butterfly LCM 1:01.25
Front half 28.36s · back half 32.89s
400 Individual Medley LCM 5:13.08
Front half 152.23s · back half 160.85s
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.