Jonas Nissan

Mage 18CZILMTWSO

76 plausible swims · 10 meets · 2024-03-07 → 2026-03-08

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	22.67	AA+0.98s to AAA	2025-07-20	2025 ISI Summer HPAC Regional venue
100 Freestyle	SCY	49.34	AA+1.65s to AAA	2025-07-19	2025 ISI Summer HPAC Regional venue
200 Freestyle	SCY	1:47.21	AA+1.82s to AAA	2025-03-07	2025 SC Illinois Senior Championships venue
500 Freestyle	SCY	4:36.85	AAA+3.26s to AAAA	2026-03-07	2026 SC Illinois Senior Championships - copi venue
1000 Freestyle	SCY	9:36.58	AAA+1.69s to AAAA	2026-03-05	2026 SC Illinois Senior Championships - copi venue
1650 Freestyle	SCY	16:18.55	AAA+20.36s to AAAA	2025-03-09	2025 SC Illinois Senior Championships venue
50 Backstroke	SCY	24.26	AAA+1.07s to AAAA	2026-03-06	2026 SC Illinois Senior Championships - copi venue
100 Backstroke	SCY	55.18	A+1.29s to AA	2024-07-14	2024 IL HPAC Summer Regional Championships slow pool
200 Backstroke	SCY	2:00.99	A+2.40s to AA	2024-07-13	2024 IL HPAC Summer Regional Championships slow pool
50 Breaststroke	SCY	28.91	AA+0.92s to AAA	2025-07-20	2025 ISI Summer HPAC Regional venue
100 Breaststroke	SCY	1:02.69	A+1.10s to AA	2025-07-19	2025 ISI Summer HPAC Regional venue
200 Breaststroke	SCY	2:15.89	A+2.10s to AA	2024-07-14	2024 IL HPAC Summer Regional Championships slow pool
50 Butterfly	SCY	22.92	AAAA	2026-03-07	2026 SC Illinois Senior Championships - copi venue
200 Butterfly	SCY	1:51.79	AAA+1.10s to AAAA	2026-03-05	2026 SC Illinois Senior Championships - copi
200 Individual Medley	SCY	1:58.59	AA+2.40s to AAA	2025-03-08	2025 SC Illinois Senior Championships venue
400 Individual Medley	SCY	4:02.32	AAA+2.93s to AAAA	2026-03-06	2026 SC Illinois Senior Championships - copi venue
200 Freestyle	LCM	2:02.82	AA+2.13s to AAA	2024-07-26	2024 LC Illinois Senior Championships venue
400 Freestyle	LCM	4:12.16	AAA+6.57s to AAAA	2025-08-02	2025 LC Illinois Senior Championships venue
800 Freestyle	LCM	8:43.71	AAA+9.42s to AAAA	2025-07-31	2025 LC Illinois Senior Championships venue
1500 Freestyle	LCM	16:38.31	AAA+14.22s to AAAA	2024-07-28	2024 LC Illinois Senior Championships venue
100 Butterfly	LCM	1:02.30	A+0.71s to AA	2024-03-09	2024 USA Swimming Speedo Championship Series venue
200 Butterfly	LCM	2:12.83	AA+0.94s to AAA	2025-08-03	2025 LC Illinois Senior Championships venue
200 Individual Medley	LCM	2:16.13	AA+0.44s to AAA	2025-08-02	2025 LC Illinois Senior Championships venue
400 Individual Medley	LCM	4:43.88	AAA+5.59s to AAAA	2025-08-01	2025 LC Illinois Senior Championships venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.

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	22.09	flying	200 Medley Relay (leg 4)	2025-03-09	2025 SC Illinois Senior Championships
50 Freestyle	SCY	21.19	flying	200 Free Relay (leg 2)	2026-03-07	2026 SC Illinois Senior Championships - copi
100 Freestyle	SCY	48.42	flat	400 Free Relay	2026-03-08	2026 SC Illinois Senior Championships - copi
100 Freestyle	SCY	47.22	flying	400 Medley Relay (leg 4)	2026-03-07	2026 SC Illinois Senior Championships - copi
50 Butterfly	SCY	22.58	flying	200 Medley Relay (leg 3)	2026-03-08	2026 SC Illinois Senior Championships - copi
50 Freestyle	LCM	25.93	flying	200 Free Relay (leg 3)	2024-07-27	2024 LC Illinois Senior Championships
200 Freestyle	LCM	2:02.48	flat	800 Free Relay	2025-08-01	2025 LC Illinois Senior Championships
50 Butterfly	LCM	27.12	flying	200 Medley Relay (leg 3)	2024-07-28	2024 LC Illinois Senior Championships
100 Butterfly	LCM	1:00.48	flying	400 Medley Relay (leg 3)	2024-07-27	2024 LC Illinois Senior 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 17-18 · SCY

5083 points (6/6 events)

Event	Time	Points
500 FR SCY	4:36.85	952
200 BK SCY	2:00.99	709
200 BR SCY	2:15.89	718
200 FL SCY	1:51.79	947
200 IM SCY	1:58.59	810
400 IM SCY	4:02.32	947

IMR 17-18 · SCY

3033 points (4/5 events — incomplete)

Event	Time	Points
200 FR SCY	1:47.21	816
100 BK SCY	55.18	695
100 BR SCY	1:02.69	712
200 IM SCY	1:58.59	810
100 FL SCY	—	0

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

PR splits

100 Freestyle SCY 49.34

24.01

25.33

Front half 24.01s · back half 25.33s

200 Freestyle SCY 1:47.21

25.14

27.29

27.63

27.15

Front half 52.43s · back half 54.78s

500 Freestyle SCY 4:36.85

25.18

27.84

27.78

27.98

28.14

28.26

28.17

28.31

27.77

27.42

Front half 136.92s · back half 139.93s

1000 Freestyle SCY 9:36.58

25.61

28.76

28.68

28.92

28.71

28.60

28.92

28.81

28.83

28.95

28.77

28.83

29.11

29.31

29.37

29.51

29.43

29.68

29.34

28.44

Front half 284.79s · back half 291.79s

1650 Freestyle SCY 16:18.55

26.43

29.01

29.21

29.10

29.44

29.17

29.53

29.72

29.56

29.86

30.02

29.56

29.76

29.59

30.21

29.52

29.78

29.99

30.09

29.88

29.81

29.83

30.08

30.15

29.97

29.80

30.33

30.06

29.88

29.94

30.10

30.28

28.89

100 Backstroke SCY 55.18

26.77

28.41

Front half 26.77s · back half 28.41s

200 Backstroke SCY 2:00.99

28.49

30.12

31.00

31.38

Front half 58.61s · back half 62.38s

100 Breaststroke SCY 1:02.69

30.09

32.60

Front half 30.09s · back half 32.60s

200 Breaststroke SCY 2:15.89

30.76

34.47

36.01

34.65

Front half 65.23s · back half 70.66s

200 Butterfly SCY 1:51.79 split/total mismatch

25.47

28.37

Front half 25.47s · back half 86.32s

200 Individual Medley SCY 1:58.59

25.53

30.08

35.30

27.68

Front half 55.61s · back half 62.98s

400 Individual Medley SCY 4:02.32

25.43

29.18

31.53

30.95

35.14

34.72

28.34

27.03

Front half 117.09s · back half 125.23s

200 Freestyle LCM 2:02.82 RT 0.74s

28.89

30.91

32.08

30.94

Front half 59.80s · back half 63.02s

400 Freestyle LCM 4:12.16 RT 0.72s

28.79

31.76

31.72

32.29

32.03

32.58

31.89

31.10

Front half 124.56s · back half 127.60s

800 Freestyle LCM 8:43.71 RT 0.70s

29.55

32.30

31.92

32.93

32.77

33.13

32.87

33.26

33.00

33.29

33.18

33.50

32.86

33.75

32.66

32.74

Front half 258.73s · back half 264.98s

1500 Freestyle LCM 16:38.31 RT 0.58s

29.98

33.03

33.17

33.41

33.39

33.63

33.12

33.45

33.09

33.15

33.22

33.67

33.74

34.02

33.54

33.41

33.67

33.88

33.78

33.71

33.57

33.40

33.30

33.95

33.43

33.84

33.05

33.27

32.74

31.70

Front half 497.61s · back half 500.70s

200 Butterfly LCM 2:12.83

30.04

33.78

34.12

34.89

Front half 63.82s · back half 69.01s

200 Individual Medley LCM 2:16.13 RT 0.68s

29.04

35.76

39.74

31.59

Front half 64.80s · back half 71.33s

400 Individual Medley LCM 4:43.88 RT 0.70s

29.93

34.08

37.57

36.21

41.47

41.01

32.65

30.96

Front half 137.79s · back half 146.09s

Reaction time

fastest 0.58s average 0.720s slowest 0.78s 21 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 22.67 2 swims

100 Freestyle SCY 49.34 2 swims

200 Freestyle SCY 1:47.21 2 swims

500 Freestyle SCY 4:36.85 6 swims

1000 Freestyle SCY 9:36.58 3 swims

1650 Freestyle SCY 16:18.55 1 swim

50 Backstroke SCY 24.26 2 swims

100 Backstroke SCY 55.18 1 swim

200 Backstroke SCY 2:00.99 1 swim

50 Breaststroke SCY 28.91 1 swim

100 Breaststroke SCY 1:02.69 2 swims

200 Breaststroke SCY 2:15.89 1 swim

50 Butterfly SCY 22.92 2 swims

200 Butterfly SCY 1:51.79 7 swims

200 Individual Medley SCY 1:58.59 3 swims

400 Individual Medley SCY 4:02.32 6 swims

200 Freestyle LCM 2:02.82 2 swims

400 Freestyle LCM 4:12.16 6 swims

800 Freestyle LCM 8:43.71 3 swims

1500 Freestyle LCM 16:38.31 3 swims

100 Butterfly LCM 1:02.30 1 swim

200 Butterfly LCM 2:12.83 8 swims

200 Individual Medley LCM 2:16.13 5 swims

400 Individual Medley LCM 4:43.88 6 swims