John Kroll

Mage 18BDNCSEVAMACMSANCS

55 plausible swims · 7 meets · 2015-06-19 → 2025-07-23

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	21.38	AAA+0.69s to AAAA	2025-07-23	ATOM Summer Speed 2025 venue
100 Freestyle	SCY	47.35	AAA+1.86s to AAAA	2025-07-22	ATOM Summer Speed 2025 venue
200 Freestyle	SCY	1:56.57	BB+1.68s to A	2019-12-13	2019 9th HOKI Swim and Tri Winter Champs venue
500 Freestyle	SCY	5:09.10	A+9.41s to AA	2019-12-14	2019 9th HOKI Swim and Tri Winter Champs venue
50 Backstroke	SCY	24.20	AAA+1.01s to AAAA	2025-07-22	ATOM Summer Speed 2025 venue
200 Backstroke	SCY	2:10.67	BB+6.88s to A	2019-12-15	2019 9th HOKI Swim and Tri Winter Champs venue
100 Breaststroke	SCY	1:08.15	BB+3.96s to A	2019-12-13	2019 9th HOKI Swim and Tri Winter Champs venue
200 Breaststroke	SCY	2:29.48	BB+9.89s to A	2019-12-14	2019 9th HOKI Swim and Tri Winter Champs venue
50 Butterfly	SCY	23.32	AAA+0.13s to AAAA	2025-07-22	ATOM Summer Speed 2025 venue
100 Butterfly	SCY	52.55	AA+0.96s to AAA	2025-07-23	ATOM Summer Speed 2025 venue
100 Individual Medley	SCY	53.34		2025-07-23	ATOM Summer Speed 2025 venue
200 Individual Medley	SCY	2:11.84	BB+5.05s to A	2019-12-15	2019 9th HOKI Swim and Tri Winter Champs venue
400 Individual Medley	SCY	4:35.57	BB+1.98s to A	2019-12-13	2019 9th HOKI Swim and Tri Winter Champs venue
50 Freestyle	LCM	23.72	AAAA	2025-07-12	2025 NC LC SR Championships venue
100 Freestyle	LCM	53.49	AAA+0.80s to AAAA	2025-07-13	2025 NC LC SR Championships venue
200 Freestyle	LCM	1:58.69	AAA+3.50s to AAAA	2025-07-11	2025 NC LC SR Championships venue
50 Backstroke	LCM	32.64	BB+0.65s to A	2019-08-01	2019 Southern Zone Age Group Championships venue
100 Backstroke	LCM	1:01.89	AA+0.50s to AAA	2025-07-12	2025 NC LC SR Championships venue
50 Breaststroke	LCM	36.58	BB+1.49s to A	2019-07-31	2019 Southern Zone Age Group Championships venue
100 Breaststroke	LCM	1:45.39	+18.30s to B	2015-06-19	2015 SE TNAQ June Invitational
50 Butterfly	LCM	29.34	A+0.75s to AA	2019-08-03	2019 Southern Zone Age Group Championships venue
100 Butterfly	LCM	58.06	AAA+1.77s to AAAA	2025-07-11	2025 NC LC SR Championships venue
200 Individual Medley	LCM	3:14.82	+22.13s to B	2015-06-19	2015 SE TNAQ June Invitational

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

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	LCM	26.61	flying	200 Medley Relay (leg 4)	2019-08-02	2019 Southern Zone Age Group Championships
100 Freestyle	LCM	1:01.28	flying	400 Free Relay (leg 2)	2019-08-01	2019 Southern Zone Age Group 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

3019 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:09.10	684
200 BK SCY	2:10.67	562
200 BR SCY	2:29.48	539
200 IM SCY	2:11.84	590
400 IM SCY	4:35.57	644
200 FL SCY	—	0

IMR 17-18 · LCM

3154 points (5/5 events)

Event	Time	Points
200 FR LCM	1:58.69	902
100 BK LCM	1:01.89	831
100 BR LCM	1:45.39	235
100 FL LCM	58.06	896
200 IM LCM	3:14.82	290

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

PR splits

100 Freestyle SCY 47.35

22.40

24.95

Front half 22.40s · back half 24.95s

200 Freestyle SCY 1:56.57

26.69

28.84

30.46

30.58

Front half 55.53s · back half 61.04s

500 Freestyle SCY 5:09.10

26.92

30.00

30.98

31.65

31.57

31.77

31.99

32.05

31.78

30.39

Front half 151.12s · back half 157.98s

200 Backstroke SCY 2:10.67

30.28

33.04

34.09

33.26

Front half 63.32s · back half 67.35s

100 Breaststroke SCY 1:08.15

32.14

36.01

Front half 32.14s · back half 36.01s

200 Breaststroke SCY 2:29.48

33.19

38.60

39.56

38.13

Front half 71.79s · back half 77.69s

100 Butterfly SCY 52.55

23.92

28.63

Front half 23.92s · back half 28.63s

100 Individual Medley SCY 53.34

23.94

29.40

Front half 23.94s · back half 29.40s

200 Individual Medley SCY 2:11.84

28.85

33.91

39.08

30.00

Front half 62.76s · back half 69.08s

400 Individual Medley SCY 4:35.57

29.13

33.57

35.36

34.54

40.36

40.89

31.47

30.25

Front half 132.60s · back half 142.97s

100 Freestyle LCM 53.49

25.43

28.06

Front half 25.43s · back half 28.06s

200 Freestyle LCM 1:58.69

27.14

29.46

31.06

31.03

Front half 56.60s · back half 62.09s

100 Backstroke LCM 1:01.89

29.17

32.72

Front half 29.17s · back half 32.72s

100 Breaststroke LCM 1:45.39 split/total mismatch

49.68

6.03

Front half 49.68s · back half 55.71s

100 Butterfly LCM 58.06

26.52

31.54

Front half 26.52s · back half 31.54s

200 Individual Medley LCM 3:14.82 split/total mismatch

45.01

52.50

55.66

41.65

Reaction time

fastest 0.66s average 0.675s slowest 0.69s 2 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 21.38 3 swims

100 Freestyle SCY 47.35 3 swims

200 Freestyle SCY 1:56.57 1 swim

500 Freestyle SCY 5:09.10 2 swims

50 Backstroke SCY 24.20 1 swim

200 Backstroke SCY 2:10.67 2 swims

100 Breaststroke SCY 1:08.15 2 swims

200 Breaststroke SCY 2:29.48 2 swims

50 Butterfly SCY 23.32 1 swim

100 Butterfly SCY 52.55 1 swim

100 Individual Medley SCY 53.34 1 swim

200 Individual Medley SCY 2:11.84 2 swims

400 Individual Medley SCY 4:35.57 2 swims

50 Freestyle LCM 23.72 6 swims

100 Freestyle LCM 53.49 6 swims

200 Freestyle LCM 1:58.69 2 swims

50 Backstroke LCM 32.64 2 swims

100 Backstroke LCM 1:01.89 4 swims

50 Breaststroke LCM 36.58 3 swims

100 Breaststroke LCM 1:45.39 1 swim

50 Butterfly LCM 29.34 4 swims

100 Butterfly LCM 58.06 3 swims

200 Individual Medley LCM 3:14.82 1 swim