Callie Marks

Fage 17COIAMTNCPNSTUTBLDRRIP

379 plausible swims · 89 meets · 2018-03-11 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	25.58	AA+0.59s to AAA	2023-12-01	2023 CO CSI Pioneer Open venue
100 Freestyle	SCY	54.97	AA+0.88s to AAA	2025-02-23	2025 CO Colorado Senior Meet venue
200 Freestyle	SCY	1:55.32	AAA+3.63s to AAAA	2025-01-01	2025 Speedo Winter Junior Championships - West
500 Freestyle	SCY	5:02.26	AAA+0.97s to AAAA	2026-03-28	2026 Four Corner Speedo Sectionals - Carmel - fast pool
1000 Freestyle	SCY	10:28.82	AAA+5.53s to AAAA	2025-11-09	2025 TAC TITANS Big Southern Classic venue
1650 Freestyle	SCY	17:37.84	AAA+10.95s to AAAA	2026-03-29	2026 Four Corner Speedo Sectionals - Carmel - fast pool
50 Backstroke	SCY	39.11	+3.92s to B	2021-02-27	2021 CO FAST February Fiesta venue
100 Backstroke	SCY	1:02.97	A+1.78s to AA	2026-01-18	2026 CO CUDA Classic venue
200 Backstroke	SCY	2:33.52	B+3.43s to BB	2022-02-13	2022 CO Loveland Sweetheart venue
50 Breaststroke	SCY	37.53	BB+2.34s to A	2024-10-04	2024 CO CUDA vs RIP Dual venue
100 Breaststroke	SCY	1:27.13	+1.54s to B	2022-11-20	2022 CO CUDA Pentathlon XXXV venue
50 Butterfly	SCY	28.40	AA+1.01s to AAA	2023-10-20	2023 CO Scary FAST Invite venue
100 Butterfly	SCY	1:00.73	AA+2.54s to AAA	2025-02-23	2025 CO Colorado Senior Meet venue
200 Butterfly	SCY	2:12.22	AA+2.53s to AAA	2025-03-27	2025 Four Corners Speedo Sectionals - Austin venue
100 Individual Medley	SCY	1:09.67		2024-09-21	2024 CO Lightning Bolt Duel Invite fast pool
200 Individual Medley	SCY	2:32.02	BB+9.63s to A	2023-03-04	2023 CO CSI SCY 14&U Silver State venue
50 Freestyle	SCM	38.58	+3.49s to B	2020-10-04	2020 CO RIP vs BLDR Dual venue
100 Freestyle	SCM	1:13.84	B+3.15s to BB	2021-05-16	2021 CO RIP May Tri Meet venue
200 Freestyle	SCM	3:07.66	+23.07s to B	2020-09-12	2020 CO RIP vs FAC Dual venue
50 Backstroke	SCM	42.03	+3.14s to B	2021-05-16	2021 CO RIP May Tri Meet venue
100 Backstroke	SCM	1:20.19	B+3.80s to BB	2022-06-11	2022 CO MACS Suburban League Invite venue
50 Butterfly	SCM	40.50	+2.01s to B	2021-05-16	2021 CO RIP May Tri Meet venue
100 Butterfly	SCM	1:18.56	B+2.57s to BB	2022-06-11	2022 CO MACS Suburban League Invite venue
100 Individual Medley	SCM	1:27.75		2021-05-16	2021 CO RIP May Tri Meet venue
200 Individual Medley	SCM	2:51.56	B+1.07s to BB	2022-06-11	2022 CO MACS Suburban League Invite venue
50 Freestyle	LCM	29.32	AA+0.93s to AAA	2026-04-26	2026 CO Steve Drozda LC Shotgun venue
100 Freestyle	LCM	1:03.51	AA+2.02s to AAA	2026-04-25	2026 CO Steve Drozda LC Shotgun venue
200 Freestyle	LCM	2:12.30	AAA+5.21s to AAAA	2025-06-21	2025 CO Grand Junction Invitational venue
400 Freestyle	LCM	4:38.57	AAA+10.28s to AAAA	2025-06-20	2025 CO Grand Junction Invitational venue
800 Freestyle	LCM	9:38.17	AAA+22.18s to AAAA	2024-03-14	2024 Northwest Spring Speedo Sectionals venue
1500 Freestyle	LCM	18:44.59	AA+13.70s to AAA	2024-03-17	2024 Northwest Spring Speedo Sectionals venue
50 Backstroke	LCM	43.08	+1.69s to B	2021-06-05	2021 CO CUDA June Invite slow pool
100 Backstroke	LCM	1:18.61	BB+4.02s to A	2025-05-18	2025 CO ACES Spring Invite venue
50 Breaststroke	LCM	44.57	B+1.58s to BB	2024-05-31	2024 CO Barracuda Summer Sizzler Invite venue
100 Breaststroke	LCM	1:41.97	+3.68s to B	2022-07-02	2022 CO Grand Junction Invitational venue
50 Butterfly	LCM	31.49	AA+0.90s to AAA	2024-02-03	2024 CO TOPS IYKYK venue
100 Butterfly	LCM	1:09.40	A+0.11s to AA	2026-06-12	2026 CO CSI Long Course Open fast pool
200 Butterfly	LCM	2:40.47	BB+0.58s to A	2025-06-22	2025 CO Grand Junction Invitational venue
200 Individual Medley	LCM	2:59.16	B+1.97s to BB	2022-05-21	2022 CO ACES Spring Invite venue
400 Individual Medley	LCM	5:39.51	A+6.92s to AA	2026-04-26	2026 CO Steve Drozda LC Shotgun venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.

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	26.29	flying	200 Medley Relay (leg 4)	2023-02-11	2023 CO ACES Winter Open
50 Freestyle	SCY	24.81	flying	200 Free Relay (leg 3)	2024-12-07	2024 CO CSI Pioneer Open
100 Freestyle	SCY	54.34	flying	400 Free Relay (leg 4)	2025-03-28	2025 Four Corners Speedo Sectionals - Austin
200 Freestyle	SCY	1:58.15	flying	800 Free Relay (leg 3)	2025-03-29	2025 Four Corners Speedo Sectionals - Austin
50 Butterfly	SCY	27.25	flying	200 Medley Relay (leg 3)	2024-12-06	2024 CO CSI Pioneer Open
50 Freestyle	LCM	28.73	flying	200 Free Relay (leg 2)	2024-08-01	WZ LCM Senior Champs 2024
100 Freestyle	LCM	1:03.89	flat	400 Free Relay	2024-06-22	2024 CO Grand Junction Invitational
100 Freestyle	LCM	1:03.70	flying	400 Free Relay (leg 4)	2024-08-02	GroupA - WZ LCM Senior Champs 2024
200 Freestyle	LCM	2:16.52	flying	800 Free Relay (leg 2)	2024-03-16	2024 Northwest Spring Speedo Sectionals
50 Butterfly	LCM	30.98	flying	200 Medley Relay (leg 3)	2024-03-14	2024 Northwest Spring Speedo Sectionals
100 Butterfly	LCM	1:14.79	flying	400 Medley Relay (leg 3)	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 17-18 · SCY

2730 points (4/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:02.26	952
200 BK SCY	2:33.52	466
200 FL SCY	2:12.22	787
200 IM SCY	2:32.02	525
200 BR SCY	—	0
400 IM SCY	—	0

IMR 17-18 · SCY

3205 points (5/5 events)

Event	Time	Points
200 FR SCY	1:55.32	877
100 BK SCY	1:02.97	665
100 BR SCY	1:27.13	388
100 FL SCY	1:00.73	750
200 IM SCY	2:32.02	525

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

PR splits

100 Freestyle SCY 54.97

26.41

28.56

Front half 26.41s · back half 28.56s

200 Freestyle SCY 1:55.32

26.64

29.34

29.64

29.70

Front half 55.98s · back half 59.34s

500 Freestyle SCY 5:02.26

27.28

29.56

30.07

30.45

30.63

30.82

30.71

31.66

30.94

30.14

Front half 147.99s · back half 154.27s

1000 Freestyle SCY 10:28.82

27.53

29.98

31.19

31.25

31.36

31.08

31.35

31.44

31.56

31.90

31.36

31.87

32.32

32.68

32.77

32.14

32.31

32.21

32.07

30.45

Front half 308.64s · back half 320.18s

1650 Freestyle SCY 17:37.84

29.02

31.57

32.14

31.99

32.01

32.02

31.90

32.10

32.27

32.34

32.02

32.37

32.59

32.45

32.90

32.66

31.83

32.43

32.79

32.72

32.56

33.23

32.44

31.82

32.08

31.98

32.02

31.97

31.90

31.80

32.14

31.62

30.16

100 Backstroke SCY 1:02.97

30.20

32.77

Front half 30.20s · back half 32.77s

200 Backstroke SCY 2:33.52

35.53

39.46

40.37

38.16

Front half 74.99s · back half 78.53s

100 Breaststroke SCY 1:27.13

41.74

45.39

Front half 41.74s · back half 45.39s

200 Butterfly SCY 2:12.22

29.11

33.27

36.31

33.53

Front half 62.38s · back half 69.84s

100 Individual Medley SCY 1:09.67

30.54

39.13

Front half 30.54s · back half 39.13s

200 Individual Medley SCY 2:32.02

30.67

39.63

50.48

31.24

Front half 70.30s · back half 81.72s

200 Freestyle SCM 3:07.66

40.30

50.00

50.70

46.66

Front half 90.30s · back half 97.36s

100 Freestyle LCM 1:03.51

30.96

32.55

Front half 30.96s · back half 32.55s

200 Freestyle LCM 2:12.30

31.02

33.69

34.12

33.47

Front half 64.71s · back half 67.59s

400 Freestyle LCM 4:38.57

31.12

33.87

34.91

35.11

35.83

36.24

37.33

34.16

Front half 135.01s · back half 143.56s

800 Freestyle LCM 9:38.17

32.75

36.32

36.33

36.60

36.19

36.10

36.60

36.68

36.80

36.42

36.70

36.71

36.96

36.61

36.99

33.41

Front half 287.57s · back half 290.60s

1500 Freestyle LCM 18:44.59

68.23

72.52

74.24

73.61

73.60

74.91

76.16

74.99

79.13

77.97

75.80

77.08

77.58

76.21

72.56

100 Breaststroke LCM 1:41.97

48.45

53.52

Front half 48.45s · back half 53.52s

100 Butterfly LCM 1:09.40

31.97

37.43

Front half 31.97s · back half 37.43s

200 Butterfly LCM 2:40.47

34.55

40.56

43.25

42.11

Front half 75.11s · back half 85.36s

200 Individual Medley LCM 2:59.16

84.51

94.65

Front half 84.51s · back half 94.65s

400 Individual Medley LCM 5:39.51

3.12

30.55

37.85

142.46

53.43

35.55

36.55

Reaction time

fastest 0.63s average 0.630s slowest 0.63s 1 electronic start

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 25.58 22 swims

100 Freestyle SCY 54.97 25 swims

200 Freestyle SCY 1:55.32 40 swims

500 Freestyle SCY 5:02.26 32 swims

1000 Freestyle SCY 10:28.82 6 swims

1650 Freestyle SCY 17:37.84 10 swims

50 Backstroke SCY 39.11 2 swims

100 Backstroke SCY 1:02.97 9 swims

200 Backstroke SCY 2:33.52 2 swims

50 Breaststroke SCY 37.53 1 swim

100 Breaststroke SCY 1:27.13 7 swims

50 Butterfly SCY 28.40 7 swims

100 Butterfly SCY 1:00.73 16 swims

200 Butterfly SCY 2:12.22 8 swims

100 Individual Medley SCY 1:09.67 6 swims

200 Individual Medley SCY 2:32.02 6 swims

50 Freestyle SCM 38.58 1 swim

100 Freestyle SCM 1:13.84 3 swims

200 Freestyle SCM 3:07.66 1 swim

50 Backstroke SCM 42.03 2 swims

100 Backstroke SCM 1:20.19 2 swims

50 Butterfly SCM 40.50 2 swims

100 Butterfly SCM 1:18.56 1 swim

100 Individual Medley SCM 1:27.75 2 swims

200 Individual Medley SCM 2:51.56 2 swims

50 Freestyle LCM 29.32 23 swims

100 Freestyle LCM 1:03.51 23 swims

200 Freestyle LCM 2:12.30 32 swims

400 Freestyle LCM 4:38.57 29 swims

800 Freestyle LCM 9:38.17 12 swims

1500 Freestyle LCM 18:44.59 5 swims

50 Backstroke LCM 43.08 4 swims

100 Backstroke LCM 1:18.61 8 swims

50 Breaststroke LCM 44.57 2 swims

100 Breaststroke LCM 1:41.97 1 swim

50 Butterfly LCM 31.49 1 swim

100 Butterfly LCM 1:09.40 13 swims

200 Butterfly LCM 2:40.47 5 swims

200 Individual Medley LCM 2:59.16 2 swims

400 Individual Medley LCM 5:39.51 3 swims