Karson Kolberg

Mage 18AKMTUTAKCACNLSC

331 plausible swims · 43 meets · 2016-07-29 → 2023-03-12

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	23.33	A+0.64s to AA	2022-03-24	2022 Spring Speedo Sectional - Phoenix, AZ
100 Freestyle	SCY	49.51	AA+1.82s to AAA	2023-03-11	2023 Northwest Spring Speedo Sectionals venue
200 Freestyle	SCY	1:50.39	A+0.20s to AA	2023-03-10	2023 Northwest Spring Speedo Sectionals venue
500 Freestyle	SCY	5:04.38	A+4.69s to AA	2021-05-02	2021 Alaska Senior Championship venue
1000 Freestyle	SCY	10:48.79	A+19.20s to AA	2019-01-25	2019 Region XIV Alaska Senior Championships venue
1650 Freestyle	SCY	18:25.36	BB+10.37s to A	2018-04-26	2018 Alaska Junior Olympic Championship venue
50 Backstroke	SCY	33.95	+3.06s to B	2016-12-04	2016 Central Area Swimming Winter Rally slow pool
100 Backstroke	SCY	58.14	BB+1.95s to A	2023-01-28	2023 Alaska Senior Championship venue
200 Backstroke	SCY	2:03.76	A+5.17s to AA	2020-02-14	2020 AK Age Group Championships fast pool
50 Breaststroke	SCY	38.90	+3.31s to B	2017-01-14	2017 Winter Splash hosted by Knik Aquatics venue
100 Breaststroke	SCY	59.79	AA+0.90s to AAA	2023-03-11	2023 Northwest Spring Speedo Sectionals venue
200 Breaststroke	SCY	2:12.87	AA+4.88s to AAA	2023-03-09	2023 Northwest Spring Speedo Sectionals venue
50 Butterfly	SCY	29.21	B+0.52s to BB	2018-01-13	2018 Chinook Winter Splash venue
100 Butterfly	SCY	53.78	AA+2.19s to AAA	2023-03-12	2023 Northwest Spring Speedo Sectionals venue
200 Butterfly	SCY	2:17.22	B+0.23s to BB	2018-10-20	Fall Harvest 18 venue
100 Individual Medley	SCY	1:12.04		2016-10-01	Columbus Day Meet 2016 slow pool
200 Individual Medley	SCY	1:59.75	AA+3.56s to AAA	2023-03-12	2023 Northwest Spring Speedo Sectionals venue
400 Individual Medley	SCY	4:20.19	AA+9.40s to AAA	2022-03-24	2022 Spring Speedo Sectional - Phoenix, AZ
50 Freestyle	SCM	29.99	B+1.70s to BB	2018-01-27	2018 Alaska Senior Championships venue
100 Freestyle	SCM	1:03.98	B+1.69s to BB	2018-01-28	2018 Alaska Senior Championships venue
200 Freestyle	SCM	2:14.94	BB+7.95s to A	2018-01-27	2018 Alaska Senior Championships venue
400 Freestyle	SCM	4:44.72	BB+11.13s to A	2018-01-28	2018 Alaska Senior Championships venue
800 Freestyle	SCM	10:04.11	BB+29.22s to A	2018-06-17	2018 Midnight Sun Invitational venue
50 Backstroke	SCM	33.95	B+2.26s to BB	2018-06-16	2018 Midnight Sun Invitational venue
100 Backstroke	SCM	1:11.19	B+3.90s to BB	2018-06-16	2018 Midnight Sun Invitational venue
200 Backstroke	SCM	2:28.27	B+0.18s to BB	2018-06-16	2018 Midnight Sun Invitational venue
50 Freestyle	LCM	28.29	BB+0.90s to A	2020-02-21	Aqua Dog 2020 venue
100 Freestyle	LCM	1:00.82	BB+0.63s to A	2019-08-07	2019 Western Zone Age Group Championships venue
200 Freestyle	LCM	2:12.89	BB+1.30s to A	2020-01-25	2020 Alaska Senior Championship venue
400 Freestyle	LCM	4:43.47	BB+2.78s to A	2020-01-26	2020 Alaska Senior Championship venue
800 Freestyle	LCM	10:29.21	BB+41.52s to A	2018-07-27	2018 Alaska Summer Championship venue
50 Backstroke	LCM	35.42	B+0.83s to BB	2017-07-28	2017 Alaska Summer Championship venue
100 Backstroke	LCM	1:12.69	B+0.10s to BB	2019-07-27	2019 Alaska Summer Championship venue
200 Backstroke	LCM	2:31.78	BB+5.89s to A	2018-07-27	2018 Alaska Summer Championship venue
100 Breaststroke	LCM	1:15.45	BB+0.76s to A	2020-01-26	2020 Alaska Senior Championship venue
200 Breaststroke	LCM	2:43.34	BB+0.05s to A	2020-01-25	2020 Alaska Senior Championship venue
100 Butterfly	LCM	1:07.77	BB+3.48s to A	2019-07-28	2019 Alaska Summer Championship venue
200 Individual Medley	LCM	2:27.39	A+5.50s to AA	2019-07-28	2019 Alaska Summer Championship venue
400 Individual Medley	LCM	5:11.52	A+6.73s to AA	2020-01-25	2020 Alaska Senior Championship 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	27.91	flat	200 Free Relay	2017-02-26	2017 Alaska Age Group Championships
50 Freestyle	SCY	22.36	flying	200 Free Relay (leg 3)	2023-03-09	2023 Northwest Spring Speedo Sectionals
50 Freestyle	SCY	22.82	flying	200 Medley Relay (leg 4)	2023-03-09	2023 Northwest Spring Speedo Sectionals
100 Freestyle	SCY	58.61	flat	400 Free Relay	2017-04-29	2017 Alaska Junior Olympic Championship
100 Freestyle	SCY	51.07	flying	400 Medley Relay (leg 4)	2022-01-29	2022 Alaska Senior Championship
100 Freestyle	SCY	51.31	flying	400 Free Relay (leg 3)	2022-01-30	2022 Alaska Senior Championship
200 Freestyle	SCY	1:52.06	flat	800 Free Relay	2022-01-28	2022 Alaska Senior Championship
50 Backstroke	SCY	26.74	flat	200 Medley Relay	2022-01-30	2022 Alaska Senior Championship
50 Butterfly	SCY	30.78	flying	200 Medley Relay (leg 3)	2017-02-24	2017 Alaska Age Group Championships
50 Freestyle	LCM	28.68	flat	200 Free Relay	2019-07-28	2019 Alaska Summer Championship
50 Freestyle	LCM	30.30	flying	200 Medley Relay (leg 4)	2018-07-28	2018 Alaska Summer Championship
50 Freestyle	LCM	30.04	flying	200 Free Relay (leg 4)	2018-07-29	2018 Alaska Summer Championship
100 Freestyle	LCM	1:00.58	flying	400 Free Relay (leg 4)	2019-07-27	2019 Alaska Summer Championship
200 Freestyle	LCM	2:12.65	flying	800 Free Relay (leg 4)	2020-01-24	2020 Alaska Senior Championship
100 Butterfly	LCM	1:07.08	flying	400 Medley Relay (leg 3)	2019-07-26	2019 Alaska Summer Championship

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

4210 points (6/6 events)

Event	Time	Points
500 FR SCY	5:04.38	716
200 BK SCY	2:03.76	662
200 BR SCY	2:12.87	768
200 FL SCY	2:17.22	512
200 IM SCY	1:59.75	787
400 IM SCY	4:20.19	765

IMR 17-18 · SCY

3709 points (5/5 events)

Event	Time	Points
200 FR SCY	1:50.39	747
100 BK SCY	58.14	594
100 BR SCY	59.79	821
100 FL SCY	53.78	760
200 IM SCY	1:59.75	787

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

PR splits

100 Freestyle SCY 49.51 RT 0.46s

23.56

25.95

Front half 23.56s · back half 25.95s

200 Freestyle SCY 1:50.39 RT 0.51s

25.15

27.80

28.75

28.69

Front half 52.95s · back half 57.44s

500 Freestyle SCY 5:04.38

25.77

28.59

30.03

30.96

31.32

31.52

31.67

31.84

30.84

Front half 146.67s · back half 157.71s

1000 Freestyle SCY 10:48.79

28.11

31.25

31.81

32.30

32.39

32.87

32.76

32.94

33.19

33.18

32.97

33.21

32.71

32.63

32.74

33.09

33.11

32.74

32.97

31.82

Front half 320.80s · back half 327.99s

1650 Freestyle SCY 18:25.36

28.74

31.67

31.91

32.60

32.69

32.92

33.07

33.59

33.61

33.73

33.87

34.16

34.12

33.71

34.50

34.36

34.63

34.70

33.97

33.91

34.42

34.22

34.18

34.15

33.87

33.88

33.97

33.46

33.67

33.76

33.37

32.07

100 Backstroke SCY 58.14

27.88

30.26

Front half 27.88s · back half 30.26s

200 Backstroke SCY 2:03.76

29.32

31.38

31.72

31.34

Front half 60.70s · back half 63.06s

100 Breaststroke SCY 59.79 RT 0.48s

27.69

32.10

Front half 27.69s · back half 32.10s

200 Breaststroke SCY 2:12.87 RT 0.45s

29.19

33.63

34.68

35.37

Front half 62.82s · back half 70.05s

100 Butterfly SCY 53.78 RT 0.48s

24.70

29.08

Front half 24.70s · back half 29.08s

200 Butterfly SCY 2:17.22

29.36

33.44

36.06

38.36

Front half 62.80s · back half 74.42s

100 Individual Medley SCY 1:12.04

33.43

38.61

Front half 33.43s · back half 38.61s

200 Individual Medley SCY 1:59.75 RT 0.49s

25.45

30.32

35.16

28.82

Front half 55.77s · back half 63.98s

100 Freestyle SCM 1:03.98

31.00

32.98

Front half 31.00s · back half 32.98s

200 Freestyle SCM 2:14.94

31.31

33.99

35.10

34.54

Front half 65.30s · back half 69.64s

400 Freestyle SCM 4:44.72

32.36

35.38

36.59

36.76

36.81

36.96

35.95

33.91

Front half 141.09s · back half 143.63s

800 Freestyle SCM 10:04.11

33.42

37.15

38.26

38.35

38.46

38.58

38.84

38.82

38.35

39.16

37.86

38.45

37.38

38.48

36.59

35.96

Front half 301.88s · back half 302.23s

100 Backstroke SCM 1:11.19

34.92

36.27

Front half 34.92s · back half 36.27s

200 Backstroke SCM 2:28.27

34.53

36.61

38.40

38.73

Front half 71.14s · back half 77.13s

200 Freestyle LCM 2:12.89

30.57

33.46

34.88

33.98

Front half 64.03s · back half 68.86s

400 Freestyle LCM 4:43.47

32.12

34.94

36.46

36.02

37.15

36.20

36.73

33.85

Front half 139.54s · back half 143.93s

800 Freestyle LCM 10:29.21

32.55

35.60

18.40

18.69

37.68

119.43

40.87

41.61

40.70

28.63

53.98

40.99

41.40

32.54

46.14

100 Backstroke LCM 1:12.69

35.05

37.64

Front half 35.05s · back half 37.64s

200 Backstroke LCM 2:31.78

35.68

37.74

39.49

38.87

Front half 73.42s · back half 78.36s

100 Breaststroke LCM 1:15.45

35.69

39.76

Front half 35.69s · back half 39.76s

200 Breaststroke LCM 2:43.34

36.93

41.22

42.87

42.32

Front half 78.15s · back half 85.19s

100 Butterfly LCM 1:07.77

31.35

36.42

Front half 31.35s · back half 36.42s

200 Individual Medley LCM 2:27.39

30.90

39.09

43.92

33.48

Front half 69.99s · back half 77.40s

400 Individual Medley LCM 5:11.52

31.66

37.13

42.01

41.39

43.26

44.46

37.18

34.43

Front half 152.19s · back half 159.33s

Reaction time

fastest 0.45s average 0.483s slowest 0.51s 7 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 23.33 16 swims

100 Freestyle SCY 49.51 15 swims

200 Freestyle SCY 1:50.39 23 swims

500 Freestyle SCY 5:04.38 17 swims

1000 Freestyle SCY 10:48.79 5 swims

1650 Freestyle SCY 18:25.36 3 swims

50 Backstroke SCY 33.95 2 swims

100 Backstroke SCY 58.14 24 swims

200 Backstroke SCY 2:03.76 17 swims

50 Breaststroke SCY 38.90 1 swim

100 Breaststroke SCY 59.79 19 swims

200 Breaststroke SCY 2:12.87 8 swims

50 Butterfly SCY 29.21 5 swims

100 Butterfly SCY 53.78 22 swims

200 Butterfly SCY 2:17.22 4 swims

100 Individual Medley SCY 1:12.04 1 swim

200 Individual Medley SCY 1:59.75 26 swims

400 Individual Medley SCY 4:20.19 20 swims

50 Freestyle SCM 29.99 1 swim

100 Freestyle SCM 1:03.98 1 swim

200 Freestyle SCM 2:14.94 2 swims

400 Freestyle SCM 4:44.72 2 swims

800 Freestyle SCM 10:04.11 1 swim

50 Backstroke SCM 33.95 3 swims

100 Backstroke SCM 1:11.19 2 swims

200 Backstroke SCM 2:28.27 3 swims

50 Freestyle LCM 28.29 6 swims

100 Freestyle LCM 1:00.82 12 swims

200 Freestyle LCM 2:12.89 13 swims

400 Freestyle LCM 4:43.47 5 swims

800 Freestyle LCM 10:29.21 1 swim

50 Backstroke LCM 35.42 4 swims

100 Backstroke LCM 1:12.69 11 swims

200 Backstroke LCM 2:31.78 11 swims

100 Breaststroke LCM 1:15.45 2 swims

200 Breaststroke LCM 2:43.34 3 swims

100 Butterfly LCM 1:07.77 4 swims

200 Individual Medley LCM 2:27.39 9 swims

400 Individual Medley LCM 5:11.52 6 swims