Ivan Zheng

Mage 16MTPNEASTLIST

238 plausible swims · 40 meets · 2024-02-04 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
25 Freestyle	SCY	11.97		2025-09-28	2025 PN IST Sockeye Sprints venue
50 Freestyle	SCY	23.76	A+0.37s to AA	2026-03-01	2026 PN February AGI, Div 1-Approved fast pool
100 Freestyle	SCY	50.56	AA+1.57s to AAA	2026-02-28	2026 PN February AGI, Div 1-Approved fast pool
200 Freestyle	SCY	1:51.84	AA+4.75s to AAA	2026-03-01	2026 PN February AGI, Div 1-Approved fast pool
500 Freestyle	SCY	5:16.81	A+12.52s to AA	2025-10-18	2025 PN IST Fall Open venue
1000 Freestyle	SCY	10:58.23	A+24.24s to AA	2026-01-25	2026 PN IST January Invitational- Approved venue
1650 Freestyle	SCY	18:58.51	BB+35.72s to A	2025-11-16	2025 PN IST November Invitational venue
25 Backstroke	SCY	14.17		2025-09-27	2025 PN IST Sockeye Sprints venue
50 Backstroke	SCY	28.34	BB+1.05s to A	2025-09-27	2025 PN IST Sockeye Sprints venue
100 Backstroke	SCY	1:00.15	BB+2.06s to A	2026-02-28	2026 PN February AGI, Div 1-Approved fast pool
200 Backstroke	SCY	2:12.19	BB+4.90s to A	2026-03-07	2026 BBST Seize the Day Invitational venue
50 Breaststroke	SCY	32.94	BB+1.45s to A	2025-03-29	2025 PN Spring Finale, Division 1 venue
100 Breaststroke	SCY	1:06.94	BB+0.95s to A	2026-03-01	2026 PN February AGI, Div 1-Approved fast pool
200 Breaststroke	SCY	2:31.09	BB+7.90s to A	2026-02-08	2026 PN IST Feb Winter Invitational-Approved venue
25 Butterfly	SCY	12.96		2025-09-27	2025 PN IST Sockeye Sprints venue
50 Butterfly	SCY	27.02	A+0.93s to AA	2024-10-19	2024 PN IST Fall Open venue
100 Butterfly	SCY	57.37	A+2.08s to AA	2026-03-22	2026 NW Region Age Group Champs- Approved venue
200 Butterfly	SCY	2:08.69	A+4.90s to AA	2026-03-07	2026 BBST Seize the Day Invitational venue
100 Individual Medley	SCY	1:01.11		2025-09-28	2025 PN IST Sockeye Sprints venue
200 Individual Medley	SCY	2:08.62	A+4.33s to AA	2026-02-28	2026 PN February AGI, Div 1-Approved fast pool
400 Individual Medley	SCY	4:40.17	BB+2.48s to A	2026-03-19	2026 Northwest Region Age Group Championships
50 Freestyle	LCM	27.08	AA+1.19s to AAA	2026-05-02	2026 PN BC May Flowers - Approved venue
100 Freestyle	LCM	58.95	AA+2.46s to AAA	2026-05-03	2026 PN BC May Flowers - Approved venue
200 Freestyle	LCM	2:08.64	AA+5.05s to AAA	2024-07-25	2024 PN LC 14&U Champs venue
400 Freestyle	LCM	4:59.90	BB+12.31s to A	2025-06-14	2025 IST June Invtational venue
50 Backstroke	LCM	32.80	BB+0.31s to A	2026-05-03	2026 PN BC May Flowers - Approved venue
100 Backstroke	LCM	1:13.89	B+0.10s to BB	2026-05-16	2026 PN IST Sockeye Springtime Madness App. venue
200 Backstroke	LCM	2:42.79	B+2.80s to BB	2025-05-04	2025 PN BC May Flowers venue
50 Breaststroke	LCM	36.21	BB+0.32s to A	2026-05-16	2026 PN IST Sockeye Springtime Madness App. venue
100 Breaststroke	LCM	1:18.21	BB+1.22s to A	2026-06-13	2026 PN IST June Invtational- Approved venue
200 Breaststroke	LCM	2:59.00	BB+11.51s to A	2026-05-16	2026 PN IST Sockeye Springtime Madness App. venue
50 Butterfly	LCM	29.30	AA+1.11s to AAA	2026-06-13	2026 PN IST June Invtational- Approved venue
100 Butterfly	LCM	1:05.37	A+2.18s to AA	2026-06-14	2026 PN IST June Invtational- Approved venue
200 Butterfly	LCM	2:25.81	A+4.22s to AA	2024-07-25	2024 PN LC 14&U Champs venue
200 Individual Medley	LCM	2:30.53	A+5.54s to AA	2026-05-02	2026 PN BC May Flowers - Approved venue
400 Individual Medley	LCM	5:45.37	BB+22.98s to A	2024-07-27	2024 PN LC 14&U Champs 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 Butterfly	SCY	26.73	flying	200 Medley Relay (leg 3)	2025-02-02	2025 PN EAST February Invitational

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

3813 points (6/6 events)

Event	Time	Points
500 FR SCY	5:16.81	663
200 BK SCY	2:12.19	587
200 BR SCY	2:31.09	570
200 FL SCY	2:08.69	671
200 IM SCY	2:08.62	681
400 IM SCY	4:40.17	641

IMR 15-16 · SCY

3354 points (5/5 events)

Event	Time	Points
200 FR SCY	1:51.84	758
100 BK SCY	1:00.15	598
100 BR SCY	1:06.94	640
100 FL SCY	57.37	677
200 IM SCY	2:08.62	681

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

PR splits

100 Freestyle SCY 50.56

24.25

26.31

Front half 24.25s · back half 26.31s

200 Freestyle SCY 1:51.84

25.47

28.45

28.93

28.99

Front half 53.92s · back half 57.92s

500 Freestyle SCY 5:16.81

27.56

31.50

31.93

32.89

33.00

33.36

32.45

31.77

32.12

30.23

Front half 156.88s · back half 159.93s

1000 Freestyle SCY 10:58.23

28.94

32.05

32.31

32.42

32.60

32.51

33.65

33.86

33.71

33.68

33.66

34.11

34.18

32.71

34.34

33.66

33.06

32.42

32.67

31.69

Front half 325.73s · back half 332.50s

1650 Freestyle SCY 18:58.51

28.91

32.66

34.11

34.31

34.33

34.62

34.59

34.81

34.97

34.63

35.29

35.33

35.42

35.20

35.15

35.73

34.49

35.69

35.04

34.52

34.53

34.76

34.56

35.16

34.89

35.02

35.43

35.25

34.98

34.66

33.66

31.70

100 Backstroke SCY 1:00.15

28.89

31.26

Front half 28.89s · back half 31.26s

200 Backstroke SCY 2:12.19

30.72

33.59

33.84

34.04

Front half 64.31s · back half 67.88s

100 Breaststroke SCY 1:06.94

32.04

34.90

Front half 32.04s · back half 34.90s

200 Breaststroke SCY 2:31.09 RT 0.65s

33.99

39.21

38.98

38.91

Front half 73.20s · back half 77.89s

100 Butterfly SCY 57.37 RT 0.59s

26.84

30.53

Front half 26.84s · back half 30.53s

200 Butterfly SCY 2:08.69

28.83

32.99

32.64

34.23

Front half 61.82s · back half 66.87s

100 Individual Medley SCY 1:01.11

29.32

31.79

Front half 29.32s · back half 31.79s

200 Individual Medley SCY 2:08.62

27.41

32.67

39.21

29.33

Front half 60.08s · back half 68.54s

400 Individual Medley SCY 4:40.17

28.16

32.95

36.96

35.28

40.81

40.65

32.66

32.70

Front half 133.35s · back half 146.82s

400 Freestyle LCM 4:59.90 RT 0.68s

71.10

78.14

76.91

73.75

Front half 149.24s · back half 150.66s

200 Backstroke LCM 2:42.79 RT 0.80s

80.12

82.67

Front half 80.12s · back half 82.67s

200 Breaststroke LCM 2:59.00 RT 0.62s· 11.7 min after 50 Breaststroke

88.73

90.27

Front half 88.73s · back half 90.27s

200 Individual Medley LCM 2:30.53 RT 0.62s

75.16

75.37

Front half 75.16s · back half 75.37s

400 Individual Medley LCM 5:45.37

80.74

89.26

99.92

75.45

Front half 170.00s · back half 175.37s

Reaction time

fastest 0.57s average 0.652s slowest 0.82s 64 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.

25 Freestyle SCY 11.97 1 swim

50 Freestyle SCY 23.76 17 swims

100 Freestyle SCY 50.56 24 swims

200 Freestyle SCY 1:51.84 15 swims

500 Freestyle SCY 5:16.81 3 swims

1000 Freestyle SCY 10:58.23 1 swim

1650 Freestyle SCY 18:58.51 1 swim

25 Backstroke SCY 14.17 1 swim

50 Backstroke SCY 28.34 5 swims

100 Backstroke SCY 1:00.15 10 swims

200 Backstroke SCY 2:12.19 4 swims

50 Breaststroke SCY 32.94 3 swims

100 Breaststroke SCY 1:06.94 16 swims

200 Breaststroke SCY 2:31.09 4 swims

25 Butterfly SCY 12.96 1 swim

50 Butterfly SCY 27.02 3 swims

100 Butterfly SCY 57.37 19 swims

200 Butterfly SCY 2:08.69 12 swims

100 Individual Medley SCY 1:01.11 4 swims

200 Individual Medley SCY 2:08.62 14 swims

400 Individual Medley SCY 4:40.17 7 swims

50 Freestyle LCM 27.08 8 swims

100 Freestyle LCM 58.95 9 swims

200 Freestyle LCM 2:08.64 6 swims

400 Freestyle LCM 4:59.90 2 swims

50 Backstroke LCM 32.80 2 swims

100 Backstroke LCM 1:13.89 5 swims

200 Backstroke LCM 2:42.79 2 swims

50 Breaststroke LCM 36.21 3 swims

100 Breaststroke LCM 1:18.21 6 swims

200 Breaststroke LCM 2:59.00 3 swims

50 Butterfly LCM 29.30 5 swims

100 Butterfly LCM 1:05.37 9 swims

200 Butterfly LCM 2:25.81 4 swims

200 Individual Medley LCM 2:30.53 7 swims

400 Individual Medley LCM 5:45.37 2 swims