Jonathan Ko

Mage 13CAPCCHSNOVAREDSCS

223 plausible swims · 30 meets · 2024-06-22 → 2026-05-02

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	24.76	AA+0.37s to AAA	2025-09-20	CA 2025 NOVA Back-to-School Meet venue
100 Freestyle	SCY	52.76	AAA+2.07s to AAAA	2026-01-24	CA 2026 NOVA Janurary Age-Group Intrasquad venue
200 Freestyle	SCY	1:56.58	AA+0.49s to AAA	2026-01-25	CA 2026 NOVA Janurary Age-Group Intrasquad venue
500 Freestyle	SCY	5:14.13	AA+0.84s to AAA	2026-01-23	CA 2026 NOVA Janurary Age-Group Intrasquad venue
50 Backstroke	SCY	29.87	A+0.78s to AA	2025-09-20	CA 2025 NOVA Back-to-School Meet venue
100 Backstroke	SCY	1:02.18	A+1.09s to AA	2025-10-18	CA 2025 NOVA IMX Intrasquad Meet venue
200 Backstroke	SCY	2:19.02	BB+0.03s to A	2025-10-11	CA 2025 NOVA October Intrasquad Meet venue
50 Breaststroke	SCY	28.68	AAAA	2026-03-15	2026 SCS Spring Age Group Champs @ RMDA - cop venue
100 Breaststroke	SCY	1:00.97	AAAA	2026-03-13	2026 SCS Spring Age Group Champs @ RMDA - cop venue
200 Breaststroke	SCY	2:14.19	AAAA	2026-03-14	2026 SCS Spring Age Group Champs @ RMDA - cop venue
50 Butterfly	SCY	25.82	AAAA	2026-03-13	2026 SCS Spring Age Group Champs @ RMDA - cop venue
100 Butterfly	SCY	59.81	AA+1.82s to AAA	2026-03-15	2026 SCS Spring Age Group Champs @ RMDA - cop venue
100 Individual Medley	SCY	59.46		2025-09-20	CA 2025 NOVA Back-to-School Meet venue
200 Individual Medley	SCY	2:07.61	AAA+4.12s to AAAA	2026-03-15	2026 SCS Spring Age Group Champs @ RMDA - cop venue
400 Individual Medley	SCY	4:28.12	AAA+3.53s to AAAA	2026-03-14	2026 SCS Spring Age Group Champs @ RMDA - cop venue
50 Freestyle	LCM	29.33	A+0.04s to AA	2025-06-15	2025 June Age Group Invite venue
100 Freestyle	LCM	1:00.14	AAA+1.45s to AAAA	2026-04-25	CA 2026 NOVApril Intrasquad Meet venue
200 Freestyle	LCM	2:13.18	AAA+5.69s to AAAA	2026-05-02	CA 2026 NOVA LC Ditch Meet venue
400 Freestyle	LCM	4:46.16	AA+3.37s to AAA	2025-07-18	2025 SCS 14-Under Elite A/G Champs at MVN venue
800 Freestyle	LCM	9:43.32	AAA+19.83s to AAAA	2026-04-24	CA 2026 NOVApril Intrasquad Meet venue
50 Backstroke	LCM	34.40	A+0.51s to AA	2025-07-19	2025 SCS 14-Under Elite A/G Champs at MVN venue
50 Breaststroke	LCM	33.89	AAAA	2026-05-02	CA 2026 NOVA LC Ditch Meet venue
100 Breaststroke	LCM	1:13.05	AAA+0.16s to AAAA	2026-04-25	CA 2026 NOVApril Intrasquad Meet venue
200 Breaststroke	LCM	2:37.52	AAAA	2025-06-15	2025 June Age Group Invite venue
50 Butterfly	LCM	30.03	AAA+0.74s to AAAA	2026-04-26	CA 2026 NOVApril Intrasquad Meet venue
100 Butterfly	LCM	1:08.29	AA+2.20s to AAA	2026-04-25	CA 2026 NOVApril Intrasquad Meet venue
200 Individual Medley	LCM	2:28.67	AAA+5.88s to AAAA	2025-07-20	2025 SCS 14-Under Elite A/G Champs at MVN venue
400 Individual Medley	LCM	5:16.94	AAA+11.95s to AAAA	2026-04-26	CA 2026 NOVApril Intrasquad Meet venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	26.30	flying	200 Free Relay (leg 4)	2025-02-02	2025 Eastern Committee AB Winter Champs
50 Breaststroke	SCY	32.04	flying	200 Medley Relay (leg 2)	2024-12-14	2024 CA RAA/SCS WAG
50 Freestyle	LCM	33.26	flying	200 Free Relay (leg 4)	2024-07-06	2024 CA CCAQ Eastern Committee LC Champs
100 Freestyle	LCM	1:11.42	flying	400 Free Relay (leg 2)	2024-07-28	2024 CA SCS/RAA Summer A/G Champs
50 Breaststroke	LCM	38.06	flying	200 Medley Relay (leg 2)	2024-07-07	2024 CA CCAQ Eastern Committee LC Champs
100 Breaststroke	LCM	1:21.34	flying	400 Medley Relay (leg 2)	2024-07-27	2024 CA SCS/RAA Summer A/G Champs

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 13-14 · SCY

3938 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:14.13	781
200 BK SCY	2:19.02	580
200 BR SCY	2:14.19	934
200 IM SCY	2:07.61	800
400 IM SCY	4:28.12	843
200 FL SCY	—	0

IMR 13-14 · SCY

3868 points (5/5 events)

Event	Time	Points
200 FR SCY	1:56.58	770
100 BK SCY	1:02.18	636
100 BR SCY	1:00.97	971
100 FL SCY	59.81	691
200 IM SCY	2:07.61	800

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

PR splits

100 Freestyle SCY 52.76

25.45

27.31

Front half 25.45s · back half 27.31s

200 Freestyle SCY 1:56.58

27.10

30.09

30.64

28.75

Front half 57.19s · back half 59.39s

500 Freestyle SCY 5:14.13

28.11

30.88

31.87

31.94

32.75

32.42

31.79

32.23

32.51

29.63

Front half 155.55s · back half 158.58s

100 Backstroke SCY 1:02.18

29.76

32.42

Front half 29.76s · back half 32.42s

200 Backstroke SCY 2:19.02

33.08

35.15

35.87

34.92

Front half 68.23s · back half 70.79s

100 Breaststroke SCY 1:00.97

29.12

31.85

Front half 29.12s · back half 31.85s

200 Breaststroke SCY 2:14.19

29.53

33.56

35.51

35.59

Front half 63.09s · back half 71.10s

100 Individual Medley SCY 59.46

28.12

31.34

Front half 28.12s · back half 31.34s

200 Individual Medley SCY 2:07.61

27.24

35.48

35.26

29.63

Front half 62.72s · back half 64.89s

400 Individual Medley SCY 4:28.12

27.43

32.38

36.10

35.77

36.61

37.33

31.57

30.93

Front half 131.68s · back half 136.44s

100 Freestyle LCM 1:00.14

28.69

31.45

Front half 28.69s · back half 31.45s

200 Freestyle LCM 2:13.18

30.04

33.99

35.22

33.93

Front half 64.03s · back half 69.15s

400 Freestyle LCM 4:46.16

31.61

36.95

36.71

36.82

36.86

37.28

35.82

34.11

Front half 142.09s · back half 144.07s

800 Freestyle LCM 9:43.32

32.13

36.97

37.05

36.42

38.09

36.48

37.76

37.03

37.04

36.92

38.15

37.65

37.26

36.41

35.56

32.40

Front half 291.93s · back half 291.39s

100 Breaststroke LCM 1:13.05

34.15

38.90

Front half 34.15s · back half 38.90s

200 Breaststroke LCM 2:37.52

37.46

40.96

39.99

39.11

Front half 78.42s · back half 79.10s

100 Butterfly LCM 1:08.29

31.24

37.05

Front half 31.24s · back half 37.05s

200 Individual Medley LCM 2:28.67

31.51

40.81

43.13

33.22

Front half 72.32s · back half 76.35s

400 Individual Medley LCM 5:16.94

32.27

39.42

43.94

40.29

43.29

45.32

37.68

34.73

Front half 155.92s · back half 161.02s

Progression

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

50 Freestyle SCY 24.76 10 swims

100 Freestyle SCY 52.76 16 swims

200 Freestyle SCY 1:56.58 14 swims

500 Freestyle SCY 5:14.13 6 swims

50 Backstroke SCY 29.87 6 swims

100 Backstroke SCY 1:02.18 3 swims

200 Backstroke SCY 2:19.02 2 swims

50 Breaststroke SCY 28.68 18 swims

100 Breaststroke SCY 1:00.97 22 swims

200 Breaststroke SCY 2:14.19 13 swims

50 Butterfly SCY 25.82 11 swims

100 Butterfly SCY 59.81 7 swims

100 Individual Medley SCY 59.46 12 swims

200 Individual Medley SCY 2:07.61 20 swims

400 Individual Medley SCY 4:28.12 3 swims

50 Freestyle LCM 29.33 3 swims

100 Freestyle LCM 1:00.14 8 swims

200 Freestyle LCM 2:13.18 7 swims

400 Freestyle LCM 4:46.16 2 swims

800 Freestyle LCM 9:43.32 1 swim

50 Backstroke LCM 34.40 1 swim

50 Breaststroke LCM 33.89 6 swims

100 Breaststroke LCM 1:13.05 10 swims

200 Breaststroke LCM 2:37.52 6 swims

50 Butterfly LCM 30.03 3 swims

100 Butterfly LCM 1:08.29 2 swims

200 Individual Medley LCM 2:28.67 9 swims

400 Individual Medley LCM 5:16.94 2 swims