Kooper Johnson

Mage 18CZMVMWWSC

44 plausible swims · 5 meets · 2023-07-28 → 2025-03-16

Personal records

EventCourseBest CutDateMeet
100 Freestyle SCY 47.81 AA+0.12s to AAA 2025-03-16 Region VIII Speedo Spring Sectionals venue
500 Freestyle SCY 4:40.99 AAA+7.40s to AAAA 2025-03-15 Region VIII Speedo Spring Sectionals venue
1000 Freestyle SCY 9:40.66 AAA+5.77s to AAAA 2025-03-16 Region VIII Speedo Spring Sectionals venue
200 Backstroke SCY 1:52.93 AAA+4.64s to AAAA 2025-03-13 Region VIII Speedo Spring Sectionals venue
200 Individual Medley SCY 1:54.86 AAA+3.97s to AAAA 2025-03-16 Region VIII Speedo Spring Sectionals venue
400 Individual Medley SCY 4:08.16 AAA+8.77s to AAAA 2025-03-14 Region VIII Speedo Spring Sectionals venue
50 Freestyle LCM 25.54 AA+0.45s to AAA 2024-07-10 2024 MV CZ Region VIII Speedo Summer
200 Freestyle LCM 2:00.07 AAA+4.88s to AAAA 2024-07-10 2024 MV CZ Region VIII Speedo Summer
800 Freestyle LCM 9:00.69 AA+1.90s to AAA 2024-07-10 2024 MV CZ Region VIII Speedo Summer
1500 Freestyle LCM 17:14.26 AA+3.27s to AAA 2023-07-30 2023 MV LCM Championships venue
100 Backstroke LCM 1:01.20 AAA+2.51s to AAAA 2024-07-10 2024 MV CZ Region VIII Speedo Summer
100 Breaststroke LCM 1:10.60 AA+2.21s to AAA 2024-07-10 2024 MV CZ Region VIII Speedo Summer
200 Breaststroke LCM 2:41.26 A+4.77s to AA 2023-07-29 2023 MV LCM Championships venue
100 Butterfly LCM 1:01.54 AA+2.65s to AAA 2023-07-28 2023 MV LCM Championships venue
200 Individual Medley LCM 2:13.69 AAA+4.10s to AAAA 2024-07-10 2024 MV CZ Region VIII Speedo Summer

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

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Freestyle LCM 24.68 flying 200 Free Relay (leg 4) 2024-07-11 Region VIII Speedo Summer Sectionals
100 Freestyle LCM 54.51 flying 400 Free Relay (leg 2) 2024-07-12 Region VIII Speedo Summer Sectionals
200 Freestyle LCM 1:59.02 flying 800 Free Relay (leg 4) 2024-07-10 Region VIII Speedo Summer Sectionals
50 Butterfly LCM 26.59 flying 200 Medley Relay (leg 3) 2024-07-11 Region VIII Speedo Summer Sectionals

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

3555 points (4/6 events — incomplete)

EventTime Points
500 FR SCY 4:40.99 910
200 BK SCY 1:52.93 871
200 IM SCY 1:54.86 892
400 IM SCY 4:08.16 882
200 BR SCY 0
200 FL SCY 0

IMR 17-18 · LCM

4164 points (5/5 events)

EventTime Points
200 FR LCM 2:00.07 871
100 BK LCM 1:01.20 859
100 BR LCM 1:10.60 783
100 FL LCM 1:01.54 753
200 IM LCM 2:13.69 898

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

PR splits

100 Freestyle SCY 47.81 RT 0.63s

23.10
24.71

Front half 23.10s · back half 24.71s

500 Freestyle SCY 4:40.99 RT 0.64s

24.39
27.57
28.48
28.35
28.64
28.87
29.09
29.57
29.15
26.88

Front half 137.43s · back half 143.56s

1000 Freestyle SCY 9:40.66 RT 0.69s

25.97
28.32
28.87
28.90
29.03
29.13
28.98
29.21
29.18
29.33
29.42
29.49
29.52
29.43
29.63
29.40
29.59
29.85
29.70
27.71

Front half 286.92s · back half 293.74s

200 Backstroke SCY 1:52.93

26.32
28.42
29.45
28.74

Front half 54.74s · back half 58.19s

200 Individual Medley SCY 1:54.86 RT 0.68s

24.87
29.00
33.73
27.26

Front half 53.87s · back half 60.99s

400 Individual Medley SCY 4:08.16 RT 0.64s

25.62
29.72
31.47
31.86
35.51
37.03
29.41
27.54

Front half 118.67s · back half 129.49s

1500 Freestyle LCM 17:14.26

30.20
33.11
34.05
34.44
34.35
34.67
34.46
34.93
34.71
34.66
34.66
35.03
34.88
35.04
34.71
35.06
34.74
34.97
35.05
35.39
34.63
34.99
34.76
34.89
34.81
34.95
34.88
35.17
33.67
32.40

Front half 513.90s · back half 520.36s

200 Breaststroke LCM 2:41.26

36.80
42.02
41.06
41.38

Front half 78.82s · back half 82.44s

100 Butterfly LCM 1:01.54

28.91
32.63

Front half 28.91s · back half 32.63s

Reaction time

fastest 0.63s average 0.667s slowest 0.70s 19 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.

100 Freestyle SCY 47.81 1 swim
500 Freestyle SCY 4:40.99 2 swims
1000 Freestyle SCY 9:40.66 1 swim
200 Backstroke SCY 1:52.93 2 swims
200 Individual Medley SCY 1:54.86 2 swims
400 Individual Medley SCY 4:08.16 2 swims
50 Freestyle LCM 25.54 4 swims
200 Freestyle LCM 2:00.07 6 swims
800 Freestyle LCM 9:00.69 3 swims
1500 Freestyle LCM 17:14.26 1 swim
100 Backstroke LCM 1:01.20 6 swims
100 Breaststroke LCM 1:10.60 5 swims
200 Breaststroke LCM 2:41.26 2 swims
100 Butterfly LCM 1:01.54 2 swims
200 Individual Medley LCM 2:13.69 5 swims