Sasha Chesnokov

Fage 15MDEST

369 plausible swims · 58 meets · 2020-10-24 → 2026-05-31

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	26.73	A+0.24s to AA	2025-12-13	2025 ASC Holiday Invitational venue
100 Freestyle	SCY	57.72	A+0.13s to AA	2024-03-03	2024 MD LSC 14 & U Championships venue
200 Freestyle	SCY	2:03.38	AA+4.49s to AAA	2025-03-07	2025 MD LSC 14 & U Championships venue
500 Freestyle	SCY	5:32.53	AA+11.84s to AAA	2026-01-03	2026 LBA IMX Distance Challenge venue
50 Backstroke	SCY	30.57	A+1.08s to AA	2025-03-07	2025 MD LSC 14 & U Championships venue
100 Backstroke	SCY	1:03.55	A+1.16s to AA	2026-02-21	2026 Speedo MD LSC Senior Champs venue
200 Backstroke	SCY	2:16.99	A+1.60s to AA	2025-03-09	2025 MD LSC 14 & U Championships venue
50 Breaststroke	SCY	36.55	BB+0.66s to A	2022-10-22	2022 Fox Fall Invitational 1 venue
100 Breaststroke	SCY	1:13.67	A+1.78s to AA	2026-01-31	2026 ASC Senior Meet venue
200 Breaststroke	SCY	2:44.34	BB+3.05s to A	2026-01-10	EST SPEEDO Mid-Winter Invite fast pool
50 Butterfly	SCY	29.17	A+0.18s to AA	2025-03-08	2025 MD LSC 14 & U Championships venue
100 Butterfly	SCY	1:02.79	A+0.50s to AA	2026-01-31	2026 ASC Senior Meet venue
200 Butterfly	SCY	2:18.14	AA+5.95s to AAA	2026-02-21	2026 Speedo MD LSC Senior Champs venue
100 Individual Medley	SCY	1:05.07		2025-12-13	2025 ASC Holiday Invitational venue
200 Individual Medley	SCY	2:16.16	AA+3.47s to AAA	2026-02-22	2026 Speedo MD LSC Senior Champs venue
400 Individual Medley	SCY	4:58.10	A+0.11s to AA	2026-01-11	EST SPEEDO Mid-Winter Invite fast pool
50 Freestyle	LCM	30.39	A+0.10s to AA	2025-07-20	2025 MD Long Course Last Chance Meet venue
100 Freestyle	LCM	1:05.67	A+0.38s to AA	2026-05-30	2026 Eagle Swim Team Speedo Sizzler venue
200 Freestyle	LCM	2:20.85	AA+5.36s to AAA	2025-07-31	2025 MD LSC LC Championships venue
400 Freestyle	LCM	4:55.20	AA+10.01s to AAA	2025-08-01	2025 MD LSC LC Championships venue
50 Backstroke	LCM	35.09	A+0.30s to AA	2026-05-30	2026 Eagle Swim Team Speedo Sizzler venue
100 Backstroke	LCM	1:16.04	BB+0.35s to A	2023-08-03	2023 Speedo Maryland Long Course Championship venue
200 Backstroke	LCM	2:39.64	A+3.65s to AA	2023-07-07	2023 Sandbox Invitational venue
50 Breaststroke	LCM	41.49	BB+1.20s to A	2023-06-03	2023 Eagle Swim Team Speedo Sizzler venue
100 Breaststroke	LCM	1:28.19	BB+2.30s to A	2026-05-31	2026 Eagle Swim Team Speedo Sizzler venue
200 Breaststroke	LCM	3:14.34	BB+8.55s to A	2025-06-22	2025 ASC Independence Meet fast pool
50 Butterfly	LCM	33.55	A+0.86s to AA	2023-07-08	2023 Sandbox Invitational venue
100 Butterfly	LCM	1:12.66	A+2.17s to AA	2025-07-20	2025 MD Long Course Last Chance Meet venue
200 Butterfly	LCM	2:43.76	BB+0.17s to A	2026-05-31	2026 Eagle Swim Team Speedo Sizzler venue
200 Individual Medley	LCM	2:39.70	AA+6.91s to AAA	2025-08-02	2025 MD LSC LC Championships venue
400 Individual Medley	LCM	5:43.70	A+3.61s to AA	2023-08-02	2023 Speedo Maryland Long Course Championship venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

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	SCY	29.61	flat	200 Free Relay	2023-01-14	2022 Retriever Classic
50 Freestyle	SCY	26.54	flying	200 Free Relay (leg 4)	2023-03-04	2023 MD LSC 14 & U Championships
200 Freestyle	SCY	2:02.21	flying	800 Free Relay (leg 3)	2025-03-06	2025 MD LSC 14 & U Championships
100 Breaststroke	SCY	1:13.24	flying	400 Medley Relay (leg 2)	2026-02-20	2026 Speedo MD LSC Senior Champs
100 Butterfly	SCY	1:04.79	flying	400 Medley Relay (leg 3)	2023-03-03	2023 MD LSC 14 & U Championships
100 Freestyle	LCM	1:05.99	flying	400 Free Relay (leg 4)	2023-08-03	2023 Speedo Maryland Long Course Championship
100 Backstroke	LCM	1:16.61	flat	400 Medley Relay	2023-08-04	2023 Speedo Maryland Long Course Championship

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

4259 points (6/6 events)

Event	Time	Points
500 FR SCY	5:32.53	740
200 BK SCY	2:16.99	700
200 BR SCY	2:44.34	611
200 FL SCY	2:18.14	730
200 IM SCY	2:16.16	766
400 IM SCY	4:58.10	712

IMR 15-16 · SCY

3567 points (5/5 events)

Event	Time	Points
200 FR SCY	2:03.38	743
100 BK SCY	1:03.55	687
100 BR SCY	1:13.67	670
100 FL SCY	1:02.79	701
200 IM SCY	2:16.16	766

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

PR splits

100 Freestyle SCY 57.72

27.82

29.90

Front half 27.82s · back half 29.90s

200 Freestyle SCY 2:03.38

28.84

31.21

31.93

31.40

Front half 60.05s · back half 63.33s

500 Freestyle SCY 5:32.53

30.79

33.62

34.11

33.66

33.63

33.13

33.48

33.81

33.72

32.58

Front half 165.81s · back half 166.72s

100 Backstroke SCY 1:03.55

31.16

32.39

Front half 31.16s · back half 32.39s

200 Backstroke SCY 2:16.99

32.51

34.16

35.48

34.84

Front half 66.67s · back half 70.32s

100 Breaststroke SCY 1:13.67

34.80

38.87

Front half 34.80s · back half 38.87s

200 Breaststroke SCY 2:44.34

37.72

41.98

42.78

41.86

Front half 79.70s · back half 84.64s

100 Butterfly SCY 1:02.79

29.75

33.04

Front half 29.75s · back half 33.04s

200 Butterfly SCY 2:18.14

30.99

34.61

35.93

36.61

Front half 65.60s · back half 72.54s

100 Individual Medley SCY 1:05.07

30.08

34.99

Front half 30.08s · back half 34.99s

200 Individual Medley SCY 2:16.16

30.01

34.66

40.62

30.87

Front half 64.67s · back half 71.49s

400 Individual Medley SCY 4:58.10

32.98

36.44

37.77

36.51

42.58

42.54

35.03

34.25

Front half 143.70s · back half 154.40s

100 Freestyle LCM 1:05.67

31.57

34.10

Front half 31.57s · back half 34.10s

200 Freestyle LCM 2:20.85

32.71

35.53

36.79

35.82

Front half 68.24s · back half 72.61s

400 Freestyle LCM 4:55.20

33.53

36.92

37.18

36.88

37.21

38.07

38.59

36.82

Front half 144.51s · back half 150.69s

100 Backstroke LCM 1:16.04

36.99

39.05

Front half 36.99s · back half 39.05s

200 Backstroke LCM 2:39.64

38.65

40.81

40.46

39.72

Front half 79.46s · back half 80.18s

100 Breaststroke LCM 1:28.19

41.89

46.30

Front half 41.89s · back half 46.30s

200 Breaststroke LCM 3:14.34

45.09

48.89

51.65

48.71

Front half 93.98s · back half 100.36s

100 Butterfly LCM 1:12.66

34.53

38.13

Front half 34.53s · back half 38.13s

200 Butterfly LCM 2:43.76

36.49

40.88

43.15

43.24

Front half 77.37s · back half 86.39s

200 Individual Medley LCM 2:39.70

33.94

41.14

48.79

35.83

Front half 75.08s · back half 84.62s

400 Individual Medley LCM 5:43.70

35.24

41.11

44.74

42.55

51.72

50.18

40.14

38.02

Front half 163.64s · back half 180.06s

Reaction time

fastest 0.60s average 0.647s slowest 0.69s 3 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 26.73 17 swims

100 Freestyle SCY 57.72 26 swims

200 Freestyle SCY 2:03.38 21 swims

500 Freestyle SCY 5:32.53 7 swims

50 Backstroke SCY 30.57 14 swims

100 Backstroke SCY 1:03.55 15 swims

200 Backstroke SCY 2:16.99 20 swims

50 Breaststroke SCY 36.55 7 swims

100 Breaststroke SCY 1:13.67 9 swims

200 Breaststroke SCY 2:44.34 6 swims

50 Butterfly SCY 29.17 17 swims

100 Butterfly SCY 1:02.79 13 swims

200 Butterfly SCY 2:18.14 9 swims

100 Individual Medley SCY 1:05.07 19 swims

200 Individual Medley SCY 2:16.16 18 swims

400 Individual Medley SCY 4:58.10 4 swims

50 Freestyle LCM 30.39 13 swims

100 Freestyle LCM 1:05.67 14 swims

200 Freestyle LCM 2:20.85 15 swims

400 Freestyle LCM 4:55.20 9 swims

50 Backstroke LCM 35.09 10 swims

100 Backstroke LCM 1:16.04 11 swims

200 Backstroke LCM 2:39.64 9 swims

50 Breaststroke LCM 41.49 8 swims

100 Breaststroke LCM 1:28.19 10 swims

200 Breaststroke LCM 3:14.34 4 swims

50 Butterfly LCM 33.55 11 swims

100 Butterfly LCM 1:12.66 12 swims

200 Butterfly LCM 2:43.76 4 swims

200 Individual Medley LCM 2:39.70 13 swims

400 Individual Medley LCM 5:43.70 4 swims