Colton Markum

Mage 15COUTAACSTAR

302 plausible swims · 68 meets · 2017-10-06 → 2023-12-10

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	24.36	A+0.67s to AA	2023-04-01	2023 Western Zone SCY Senior Zones venue
100 Freestyle	SCY	53.85	A+1.86s to AA	2023-02-26	2023 CO CSI SCY Age Group Championships venue
200 Freestyle	SCY	1:52.66	AA+3.97s to AAA	2023-02-25	2023 CO CSI SCY Age Group Championships venue
500 Freestyle	SCY	5:05.81	AA+10.12s to AAA	2023-02-24	2023 CO CSI SCY Age Group Championships venue
1650 Freestyle	SCY	18:10.04	A+15.85s to AA	2023-02-26	2023 CO CSI SCY Age Group Championships venue
50 Backstroke	SCY	37.24	+4.55s to B	2021-02-27	2021 CO FAST February Fiesta venue
100 Backstroke	SCY	1:05.24	B+0.75s to BB	2023-10-21	2023 CO Scary FAST Invite venue
200 Backstroke	SCY	2:28.56	B+7.57s to BB	2023-02-11	2023 CO Jeffco February Finale slow pool
50 Breaststroke	SCY	40.74	+3.25s to B	2021-02-28	2021 CO FAST February Fiesta venue
100 Breaststroke	SCY	1:17.54	B+4.55s to BB	2023-10-20	2023 CO Scary FAST Invite
200 Breaststroke	SCY	3:03.52	+12.03s to B	2021-02-28	2021 CO FAST February Fiesta venue
50 Butterfly	SCY	45.37	+12.98s to B	2020-10-23	2020 CO Scary FAST Invite venue
100 Butterfly	SCY	1:09.97	+1.28s to B	2022-11-20	2022 CO CUDA Pentathlon XXXV venue
100 Individual Medley	SCY	1:13.39		2021-11-06	2021 CO AQUA vs AAC Dual Meet venue
200 Individual Medley	SCY	2:18.52	BB+6.33s to A	2023-12-09	2023 CO Bill Spahn Mid Season Finale venue
400 Individual Medley	SCY	4:59.19	BB+15.00s to A	2023-01-21	2023 CO PPA January Meet venue
50 Freestyle	LCM	28.53	A+1.14s to AA	2023-05-20	2023 CO ACES Spring Invite venue
100 Freestyle	LCM	58.37	AA+1.28s to AAA	2023-06-18	2023 CO CSI Long Course Open venue
200 Freestyle	LCM	2:05.17	AAA+5.18s to AAAA	2023-07-21	2023 CO CSI Senior LC State Championships venue
400 Freestyle	LCM	4:31.74	AA+3.95s to AAA	2023-07-22	2023 CO CSI Senior LC State Championships venue
800 Freestyle	LCM	9:30.36	AA+16.77s to AAA	2023-07-23	2023 CO CSI Senior LC State Championships venue
1500 Freestyle	LCM	18:46.78	A+10.49s to AA	2022-07-21	2022 CO CSI Senior LC Championships venue
50 Backstroke	LCM	41.29	+2.60s to B	2021-05-22	2021 CO ACES Spring Invite venue
100 Backstroke	LCM	1:17.08	B+1.69s to BB	2023-06-23	2023 CO ACES Summer Invite venue
50 Breaststroke	LCM	46.26	+3.67s to B	2021-05-23	2021 CO ACES Spring Invite venue
100 Breaststroke	LCM	1:33.79	+2.40s to B	2022-04-22	2022 CO Arena Catch Me If You Can Open
200 Breaststroke	LCM	3:19.39	B+13.70s to BB	2021-05-23	2021 CO ACES Spring Invite venue
200 Individual Medley	LCM	2:43.66	BB+10.47s to A	2023-05-20	2023 CO ACES Spring Invite venue
400 Individual Medley	LCM	5:39.67	BB+10.38s to A	2023-05-19	2023 CO ACES Spring Invite venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

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	24.71	flat	200 Free Relay	2023-03-30	2023 Western Zone SCY Senior Zones
50 Freestyle	SCY	23.89	flying	200 Medley Relay (leg 4)	2023-03-29	2023 Western Zone SCY Senior Zones
50 Freestyle	SCY	24.57	flying	200 Free Relay (leg 2)	2022-12-03	2022 CO CSI Pioneer Open
100 Freestyle	SCY	51.83	flying	400 Free Relay (leg 4)	2023-02-26	2023 CO CSI SCY Age Group Championships
100 Freestyle	SCY	56.20	flying	400 Medley Relay (leg 4)	2022-02-26	2022 CO CSI SC Age Group Championships
100 Backstroke	SCY	1:03.58	flat	400 Medley Relay	2023-02-25	2023 CO CSI SCY Age Group Championships
50 Freestyle	LCM	31.56	flying	200 Free Relay (leg 4)	2021-08-01	2021 CO CSI Age Group LC State Championships
100 Freestyle	LCM	59.73	flat	400 Free Relay	2023-07-20	2023 CO CSI Senior LC State Championships
100 Freestyle	LCM	1:01.49	flying	400 Medley Relay (leg 4)	2022-07-21	2022 CO CSI Senior LC Championships
100 Backstroke	LCM	1:13.51	flat	400 Medley Relay	2023-07-20	2023 CO CSI Senior LC State 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 15-16 · SCY

2539 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:05.81	737
200 BK SCY	2:28.56	413
200 BR SCY	3:03.52	318
200 IM SCY	2:18.52	545
400 IM SCY	4:59.19	526
200 FL SCY	—	0

IMR 15-16 · SCY

2539 points (5/5 events)

Event	Time	Points
200 FR SCY	1:52.66	741
100 BK SCY	1:05.24	469
100 BR SCY	1:17.54	411
100 FL SCY	1:09.97	373
200 IM SCY	2:18.52	545

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

PR splits

100 Freestyle SCY 53.85

26.52

27.33

Front half 26.52s · back half 27.33s

200 Freestyle SCY 1:52.66

25.72

28.90

29.09

28.95

Front half 54.62s · back half 58.04s

500 Freestyle SCY 5:05.81

26.98

29.79

30.96

31.60

31.72

31.32

31.75

31.45

31.23

29.01

Front half 151.05s · back half 154.76s

1650 Freestyle SCY 18:10.04

26.68

30.50

31.56

33.04

33.87

33.08

34.10

33.19

34.39

34.24

33.86

34.22

34.20

34.14

34.81

33.96

34.87

33.83

33.60

33.95

35.46

33.08

34.23

32.94

33.94

32.06

33.29

32.79

31.64

31.51

32.85

31.41

28.75

100 Backstroke SCY 1:05.24

31.35

33.89

Front half 31.35s · back half 33.89s

200 Backstroke SCY 2:28.56

34.48

38.12

39.16

36.80

Front half 72.60s · back half 75.96s

200 Breaststroke SCY 3:03.52

41.80

46.22

48.01

47.49

Front half 88.02s · back half 95.50s

50 Butterfly SCY 45.37

20.31

25.06

Front half 20.31s · back half 25.06s

100 Butterfly SCY 1:09.97

32.61

37.36

Front half 32.61s · back half 37.36s

100 Individual Medley SCY 1:13.39

35.03

38.36

Front half 35.03s · back half 38.36s

200 Individual Medley SCY 2:18.52

31.56

34.93

43.00

29.03

Front half 66.49s · back half 72.03s

400 Individual Medley SCY 4:59.19

33.04

39.65

37.83

38.61

43.59

44.35

32.61

29.51

Front half 149.13s · back half 150.06s

100 Freestyle LCM 58.37

28.23

30.14

Front half 28.23s · back half 30.14s

200 Freestyle LCM 2:05.17

29.01

30.83

32.06

33.27

Front half 59.84s · back half 65.33s

400 Freestyle LCM 4:31.74

30.18

33.52

33.55

35.25

34.68

34.66

35.48

34.42

Front half 132.50s · back half 139.24s

800 Freestyle LCM 9:30.36

32.11

35.23

36.21

36.79

37.29

37.34

36.22

36.66

35.83

36.78

37.18

35.72

35.68

35.61

33.73

31.98

Front half 287.85s · back half 282.51s

1500 Freestyle LCM 18:46.78

32.80

37.37

37.59

38.75

37.68

37.25

37.93

38.80

38.59

38.98

37.68

37.89

37.75

38.93

38.08

37.98

38.56

38.07

38.21

37.77

37.05

37.93

36.99

38.03

37.57

38.03

37.50

36.94

36.24

33.84

Front half 566.07s · back half 560.71s

100 Backstroke LCM 1:17.08

38.00

39.08

Front half 38.00s · back half 39.08s

200 Individual Medley LCM 2:43.66

79.46

84.20

Front half 79.46s · back half 84.20s

400 Individual Medley LCM 5:39.67

36.93

49.07

42.81

42.15

49.87

51.80

34.44

32.60

Front half 170.96s · back half 168.71s

Reaction time

fastest 0.66s average 0.687s slowest 0.71s 3 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 24.36 29 swims

100 Freestyle SCY 53.85 28 swims

200 Freestyle SCY 1:52.66 19 swims

500 Freestyle SCY 5:05.81 20 swims

1650 Freestyle SCY 18:10.04 3 swims

50 Backstroke SCY 37.24 15 swims

100 Backstroke SCY 1:05.24 13 swims

200 Backstroke SCY 2:28.56 1 swim

50 Breaststroke SCY 40.74 18 swims

100 Breaststroke SCY 1:17.54 17 swims

200 Breaststroke SCY 3:03.52 2 swims

50 Butterfly SCY 45.37 2 swims

100 Butterfly SCY 1:09.97 5 swims

100 Individual Medley SCY 1:13.39 8 swims

200 Individual Medley SCY 2:18.52 8 swims

400 Individual Medley SCY 4:59.19 3 swims

50 Freestyle LCM 28.53 15 swims

100 Freestyle LCM 58.37 19 swims

200 Freestyle LCM 2:05.17 16 swims

400 Freestyle LCM 4:31.74 15 swims

800 Freestyle LCM 9:30.36 5 swims

1500 Freestyle LCM 18:46.78 2 swims

50 Backstroke LCM 41.29 3 swims

100 Backstroke LCM 1:17.08 7 swims

50 Breaststroke LCM 46.26 8 swims

100 Breaststroke LCM 1:33.79 10 swims

200 Breaststroke LCM 3:19.39 4 swims

200 Individual Medley LCM 2:43.66 3 swims

400 Individual Medley LCM 5:39.67 4 swims