Serge Lyashchenko

Mage 16CTEZFGMAMRAGUALGACUN

225 plausible swims · 60 meets · 2001-03-16 → 2026-06-20

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	22.61	AA+0.22s to AAA	2026-03-07	2026 MR AGUA Last Chance Invitational venue
100 Freestyle	SCY	49.13	AA+0.14s to AAA	2025-10-11	2025 MR LIE Octoberfest Invitational venue
200 Freestyle	SCY	1:47.93	AA+0.84s to AAA	2025-10-12	2025 MR LIE Octoberfest Invitational venue
500 Freestyle	SCY	4:55.23	AA+4.14s to AAA	2025-11-01	2025 MR TRI Fall SCY Invitational venue
1000 Freestyle	SCY	10:43.25	A+9.26s to AA	2023-01-01	2023 MR
1650 Freestyle	SCY	17:01.15	AA+10.26s to AAA	2025-10-05	2025 MR FLY Flushing Y Distance Meet venue
50 Backstroke	SCY	25.60	AA+0.61s to AAA	2025-10-26	2025 MR LIAC Chappy's Invitational venue
100 Backstroke	SCY	53.50	AA+0.21s to AAA	2025-10-12	2025 MR LIE Octoberfest Invitational venue
200 Backstroke	SCY	2:01.21	AA+4.52s to AAA	2026-03-07	2026 MR AGUA Last Chance Invitational venue
100 Breaststroke	SCY	1:01.39	AA+0.90s to AAA	2025-11-02	2025 MR TRI Fall SCY Invitational venue
200 Breaststroke	SCY	2:11.75	AA+0.46s to AAA	2025-10-26	2025 MR LIAC Chappy's Invitational venue
50 Butterfly	SCY	24.18	AAA+0.39s to AAAA	2026-03-29	2026 EZ North Speedo Short Course Sectionals venue
100 Butterfly	SCY	52.74	AAA+2.25s to AAAA	2025-10-11	2025 MR LIE Octoberfest Invitational venue
200 Butterfly	SCY	1:54.83	AAA+1.74s to AAAA	2026-02-15	2026 MR TYR Senior Mets Winter Championship venue
100 Individual Medley	SCY	54.27		2026-01-10	2026 MR WEST Chris Dewey Trophy Meet venue
200 Individual Medley	SCY	1:55.33	AAA+1.84s to AAAA	2025-10-26	2025 MR LIAC Chappy's Invitational venue
400 Individual Medley	SCY	4:06.57	AAA+3.58s to AAAA	2025-11-02	2025 MR TRI Fall SCY Invitational venue
200 Freestyle	SCM	2:07.01	A+3.32s to AA	2024-06-08	2024 MR FREE Summer Splash Invite (SCM) venue
50 Backstroke	SCM	31.41	BB+1.32s to A	2024-06-08	2024 MR FREE Summer Splash Invite (SCM) venue
100 Backstroke	SCM	1:07.96	BB+3.77s to A	2024-06-08	2024 MR FREE Summer Splash Invite (SCM) venue
200 Butterfly	SCM	2:18.40	A+1.61s to AA	2024-06-08	2024 MR FREE Summer Splash Invite (SCM) venue
50 Freestyle	LCM	25.41	AAA+0.62s to AAAA	2026-06-19	Swim Fort Lauderdale Speedo Summer Classic 26 venue
100 Freestyle	LCM	55.73	AAA+1.84s to AAAA	2026-05-24	2026 MR AGUA Memorial Day Invitational fast pool
200 Freestyle	LCM	2:11.66	A+2.47s to AA	2024-05-25	2024 MR AGUA Memorial Day Invitational venue
400 Freestyle	LCM	4:28.54	AA+4.85s to AAA	2024-07-19	2024 Metropolitan LC Junior Met Championships venue
50 Backstroke	LCM	34.42	BB+1.93s to A	2023-07-08	2023 MR LIE Summer Sizzler Invitational
100 Backstroke	LCM	1:05.14	AA+2.65s to AAA	2026-06-20	Swim Fort Lauderdale Speedo Summer Classic 26 venue
200 Backstroke	LCM	2:26.00	A+4.51s to AA	2024-05-12	2024 MR LIE May Extravaganza Invitational venue
100 Breaststroke	LCM	1:15.82	A+2.03s to AA	2026-05-23	2026 MR AGUA Memorial Day Invitational fast pool
200 Breaststroke	LCM	2:39.48	AA+5.99s to AAA	2025-01-01	liac 21june2025
50 Butterfly	LCM	27.63	AAA+0.74s to AAAA	2026-05-23	2026 MR AGUA Memorial Day Invitational fast pool
100 Butterfly	LCM	59.03	AAA+1.24s to AAAA	2026-06-18	Swim Fort Lauderdale Speedo Summer Classic 26 venue
200 Butterfly	LCM	2:10.53	AAA+1.34s to AAAA	2026-06-20	Swim Fort Lauderdale Speedo Summer Classic 26 venue
200 Individual Medley	LCM	2:15.08	AAA+2.69s to AAAA	2026-06-19	Swim Fort Lauderdale Speedo Summer Classic 26 venue
400 Individual Medley	LCM	4:45.56	AAA+3.47s to AAAA	2026-06-18	Swim Fort Lauderdale Speedo Summer Classic 26 venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	LCM	26.58	flying	200 Free Relay (leg 4)	2024-07-21	2024 Metropolitan LC Junior Met Championships
100 Freestyle	LCM	40.03	flying	400 Free Relay (leg 4)	2024-06-22	2024 MR RED Tails International Invitational
50 Butterfly	LCM	28.07	flying	200 Medley Relay (leg 3)	2024-07-19	2024 Metropolitan LC Junior Met Championships
100 Butterfly	LCM	1:02.78	flying	400 Medley Relay (leg 3)	2024-07-21	2024 Metropolitan LC Junior Met 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 15-16 · SCY

5269 points (6/6 events)

Event	Time	Points
500 FR SCY	4:55.23	819
200 BK SCY	2:01.21	761
200 BR SCY	2:11.75	859
200 FL SCY	1:54.83	945
200 IM SCY	1:55.33	945
400 IM SCY	4:06.57	940

IMR 15-16 · SCY

4339 points (5/5 events)

Event	Time	Points
200 FR SCY	1:47.93	843
100 BK SCY	53.50	850
100 BR SCY	1:01.39	829
100 FL SCY	52.74	872
200 IM SCY	1:55.33	945

Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.

PR splits

100 Freestyle SCY 49.13

23.75

25.38

Front half 23.75s · back half 25.38s

200 Freestyle SCY 1:47.93

25.28

27.81

28.16

26.68

Front half 53.09s · back half 54.84s

500 Freestyle SCY 4:55.23

26.83

29.58

29.63

29.71

29.98

30.22

30.41

29.84

30.07

28.96

Front half 145.73s · back half 149.50s

1000 Freestyle SCY 10:43.25

29.09

32.19

32.43

32.42

32.33

33.07

33.47

32.32

32.36

32.41

32.21

32.86

32.35

31.80

32.34

32.39

32.92

61.90

1650 Freestyle SCY 17:01.15

27.42

30.69

30.29

30.60

31.27

31.12

30.92

31.01

31.29

31.37

31.60

31.38

31.64

31.56

31.49

31.65

31.75

31.74

31.57

30.67

31.83

31.40

31.80

31.55

31.24

31.20

31.17

31.14

31.20

29.62

29.47

27.90

100 Backstroke SCY 53.50

26.14

27.36

Front half 26.14s · back half 27.36s

200 Backstroke SCY 2:01.21

28.50

30.65

31.03

Front half 59.15s · back half 62.06s

100 Breaststroke SCY 1:01.39

29.28

32.11

Front half 29.28s · back half 32.11s

200 Breaststroke SCY 2:11.75

30.29

33.74

34.29

33.43

Front half 64.03s · back half 67.72s

100 Butterfly SCY 52.74

25.10

27.64

Front half 25.10s · back half 27.64s

200 Butterfly SCY 1:54.83

25.63

29.03

29.36

30.81

Front half 54.66s · back half 60.17s

100 Individual Medley SCY 54.27

25.21

29.06

Front half 25.21s · back half 29.06s

200 Individual Medley SCY 1:55.33

26.23

29.21

33.79

26.10

Front half 55.44s · back half 59.89s

400 Individual Medley SCY 4:06.57

27.33

30.56

31.54

31.59

36.45

34.33

27.90

26.87

Front half 121.02s · back half 125.55s

200 Freestyle SCM 2:07.01

28.83

32.45

33.20

32.53

Front half 61.28s · back half 65.73s

100 Backstroke SCM 1:07.96

32.72

35.24

Front half 32.72s · back half 35.24s

200 Butterfly SCM 2:18.40

30.34

35.07

36.19

36.80

Front half 65.41s · back half 72.99s

200 Freestyle LCM 2:11.66

30.49

33.80

34.07

33.30

Front half 64.29s · back half 67.37s

400 Freestyle LCM 4:28.54

29.56

32.81

34.17

34.58

34.19

34.61

35.38

33.24

Front half 131.12s · back half 137.42s

200 Backstroke LCM 2:26.00

73.17

72.83

Front half 73.17s · back half 72.83s

200 Breaststroke LCM 2:39.48

36.69

40.70

41.66

40.43

Front half 77.39s · back half 82.09s

100 Butterfly LCM 59.03

27.67

31.36

Front half 27.67s · back half 31.36s

200 Butterfly LCM 2:10.53

62.12

68.41

Front half 62.12s · back half 68.41s

200 Individual Medley LCM 2:15.08

64.50

70.58

Front half 64.50s · back half 70.58s

400 Individual Medley LCM 4:45.56

29.85

33.71

37.05

36.92

41.71

42.25

32.63

31.44

Front half 137.53s · back half 148.03s

Reaction time

fastest 0.73s average 1.320s slowest 1.91s 2 electronic starts

Start reaction over time faster starts higher

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.

Progression

Faster times are higher. One card per event, all courses & history.

50 Freestyle SCY 22.61 10 swims

100 Freestyle SCY 49.13 8 swims

200 Freestyle SCY 1:47.93 4 swims

500 Freestyle SCY 4:55.23 3 swims

1000 Freestyle SCY 10:43.25 1 swim

1650 Freestyle SCY 17:01.15 1 swim

50 Backstroke SCY 25.60 5 swims

100 Backstroke SCY 53.50 10 swims

200 Backstroke SCY 2:01.21 5 swims

100 Breaststroke SCY 1:01.39 7 swims

200 Breaststroke SCY 2:11.75 3 swims

50 Butterfly SCY 24.18 4 swims

100 Butterfly SCY 52.74 11 swims

200 Butterfly SCY 1:54.83 12 swims

100 Individual Medley SCY 54.27 3 swims

200 Individual Medley SCY 1:55.33 10 swims

400 Individual Medley SCY 4:06.57 10 swims

200 Freestyle SCM 2:07.01 1 swim

50 Backstroke SCM 31.41 1 swim

100 Backstroke SCM 1:07.96 1 swim

200 Butterfly SCM 2:18.40 1 swim

50 Freestyle LCM 25.41 14 swims

100 Freestyle LCM 55.73 14 swims

200 Freestyle LCM 2:11.66 6 swims

400 Freestyle LCM 4:28.54 3 swims

50 Backstroke LCM 34.42 3 swims

100 Backstroke LCM 1:05.14 9 swims

200 Backstroke LCM 2:26.00 4 swims

100 Breaststroke LCM 1:15.82 5 swims

200 Breaststroke LCM 2:39.48 6 swims

50 Butterfly LCM 27.63 4 swims

100 Butterfly LCM 59.03 18 swims

200 Butterfly LCM 2:10.53 14 swims

200 Individual Medley LCM 2:15.08 11 swims

400 Individual Medley LCM 4:45.56 3 swims