Leon Kocherovsky

Mage 18EZMRNECRASAC

165 plausible swims · 28 meets · 2020-12-19 → 2026-07-12

Personal records

EventCourseBest CutDateMeet
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

LegCourseTime StartRelayDateMeet
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)

EventTime 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)

EventTime 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

23.51
25.37

Front half 23.51s · back half 25.37s

200 Freestyle SCY 1:59.29

26.59
29.89
31.13
31.68

Front half 56.48s · back half 62.81s

1000 Freestyle SCY 11:00.29

28.13
31.96
33.05
33.25
33.00
33.62
33.62
33.63
34.50
34.10
34.14
33.97
34.01
33.88
33.89
33.47
33.76
33.39
31.10
29.82

Front half 328.86s · back half 331.43s

100 Backstroke SCY 54.47

26.38
28.09

Front half 26.38s · back half 28.09s

100 Breaststroke SCY 57.38

27.08
30.30

Front half 27.08s · back half 30.30s

200 Breaststroke SCY 2:06.42

28.74
32.83
32.30
32.55

Front half 61.57s · back half 64.85s

100 Butterfly SCY 51.49 split/total mismatch

24.01
3.47

Front half 24.01s · back half 27.48s

200 Butterfly SCY 2:00.42

26.95
30.35
30.95
32.17

Front half 57.30s · back half 63.12s

100 Individual Medley SCY 1:06.90 split/total mismatch

30.84
5.22

Front half 30.84s · back half 36.06s

200 Individual Medley SCY 2:01.38

25.27
31.09
36.19
28.83

Front half 56.36s · back half 65.02s

400 Individual Medley SCY 4:26.15

26.92
31.82
35.14
35.06
38.30
38.43
30.87
29.61

Front half 128.94s · back half 137.21s

100 Freestyle LCM 56.93

27.13
29.80

Front half 27.13s · back half 29.80s

200 Freestyle LCM 2:14.78

29.52
34.36
35.76
35.14

Front half 63.88s · back half 70.90s

400 Freestyle LCM 4:46.11

32.41
36.00
37.50
36.89
36.17
36.26
36.27
34.61

Front half 142.80s · back half 143.31s

100 Backstroke LCM 1:03.17

30.12
33.05

Front half 30.12s · back half 33.05s

100 Breaststroke LCM 1:10.09

32.05
38.04

Front half 32.05s · back half 38.04s

200 Breaststroke LCM 2:46.68

38.29
43.07
44.02
41.30

Front half 81.36s · back half 85.32s

100 Butterfly LCM 1:01.25

28.36
32.89

Front half 28.36s · back half 32.89s

400 Individual Medley LCM 5:13.08

32.27
38.33
40.89
40.74
45.51
44.70
35.42
35.22

Front half 152.23s · back half 160.85s

Reaction time

fastest 0.59s average 0.590s slowest 0.59s 1 electronic start

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
DateEventCourse TimeAge RoundMeet

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.

50 Freestyle SCY 22.21 18 swims
100 Freestyle SCY 48.88 10 swims
200 Freestyle SCY 1:59.29 3 swims
1000 Freestyle SCY 11:00.29 1 swim
50 Backstroke SCY 30.18 1 swim
100 Backstroke SCY 54.47 11 swims
200 Backstroke SCY 2:22.36 1 swim
50 Breaststroke SCY 26.50 7 swims
100 Breaststroke SCY 57.38 21 swims
200 Breaststroke SCY 2:06.42 16 swims
50 Butterfly SCY 23.32 8 swims
100 Butterfly SCY 51.49 20 swims
200 Butterfly SCY 2:00.42 7 swims
100 Individual Medley SCY 1:06.90 1 swim
200 Individual Medley SCY 2:01.38 9 swims
400 Individual Medley SCY 4:26.15 1 swim
50 Freestyle LCM 25.42 3 swims
100 Freestyle LCM 56.93 2 swims
200 Freestyle LCM 2:14.78 2 swims
400 Freestyle LCM 4:46.11 2 swims
100 Backstroke LCM 1:03.17 5 swims
50 Breaststroke LCM 31.34 5 swims
100 Breaststroke LCM 1:10.09 3 swims
200 Breaststroke LCM 2:46.68 2 swims
50 Butterfly LCM 27.44 3 swims
100 Butterfly LCM 1:01.25 2 swims
400 Individual Medley LCM 5:13.08 1 swim