Marcus Eiben

Mage 16COCZIAMNMTSECOFAST

608 plausible swims · 107 meets · 2019-09-28 → 2026-06-27

Personal records

Event	Course	Best	Cut	Date	Meet
25 Freestyle	SCY	10.73		2025-01-01	Colorado Swimming Championship Meet
50 Freestyle	SCY	22.38	AAA+0.99s to AAAA	2025-01-01	Colorado Swimming Championship Meet
100 Freestyle	SCY	48.72	AAA+1.93s to AAAA	2026-01-25	2026 CO FAST Winter Open venue
200 Freestyle	SCY	1:46.07	AAA+3.88s to AAAA	2026-02-21	2026 CO Colorado Senior Meet fast pool
500 Freestyle	SCY	4:57.01	AA+5.92s to AAA	2026-01-25	2026 CO FAST Winter Open venue
1000 Freestyle	SCY	10:47.86	A+13.87s to AA	2025-01-24	2025 CO FAST Winter Open venue
1650 Freestyle	SCY	17:14.16	AA+23.27s to AAA	2025-12-12	2025 CO FAST Bill Spahn Mid Season Finale venue
25 Backstroke	SCY	13.91		2024-09-28	2024 CO FAST Intra-Squad venue
50 Backstroke	SCY	26.05	AA+1.06s to AAA	2025-01-01	Colorado Swimming Championship Meet
100 Backstroke	SCY	51.97	AAA+1.18s to AAAA	2026-05-02	2026 CO OB Northern Conference Championships venue
200 Backstroke	SCY	1:53.56	AAA+2.17s to AAAA	2026-02-22	2026 CO Colorado Senior Meet fast pool
25 Breaststroke	SCY	14.12		2024-09-28	2024 CO FAST Intra-Squad venue
50 Breaststroke	SCY	30.68	A+0.49s to AA	2024-10-18	2024 CO Scary FAST Invite venue
100 Breaststroke	SCY	59.08	AAA+1.29s to AAAA	2025-01-01	Colorado Swimming Championship Meet
200 Breaststroke	SCY	2:07.12	AAA+1.83s to AAAA	2025-01-01	Colorado Swimming Championship Meet
25 Butterfly	SCY	12.70		2024-09-28	2024 CO FAST Intra-Squad venue
50 Butterfly	SCY	27.02	A+0.93s to AA	2024-10-18	2024 CO Scary FAST Invite venue
100 Butterfly	SCY	58.69	BB+1.00s to A	2026-01-10	2026 CO FAST vs TOPS vs RIP venue
200 Butterfly	SCY	2:18.06	BB+8.87s to A	2026-01-24	2026 CO FAST Winter Open venue
100 Individual Medley	SCY	58.85		2025-01-01	Colorado Swimming Championship Meet
200 Individual Medley	SCY	1:56.39	AAA+2.90s to AAAA	2026-05-02	2026 CO OB Northern Conference Championships venue
400 Individual Medley	SCY	4:06.68	AAA+3.69s to AAAA	2026-03-14	2026 Speedo Sectionals (North) - West Fargo venue
800 Individual Medley	SCY	9:29.37		2026-01-23	2026 CO FAST Winter Open venue
50 Freestyle	LCM	26.42	AA+0.53s to AAA	2026-06-27	2026 CO FAST Single Session venue
100 Freestyle	LCM	57.84	AA+1.35s to AAA	2025-06-15	2025 CO CSI Long Course Open fast pool
200 Freestyle	LCM	2:06.69	AA+3.10s to AAA	2026-06-06	2026 CO FAST June Bonanza Open venue
400 Freestyle	LCM	4:57.34	BB+9.75s to A	2024-04-27	2024 CO FAST Spring Splash LC Open venue
800 Freestyle	LCM	9:20.26	AA+13.77s to AAA	2026-06-05	2026 CO FAST June Bonanza Open venue
1500 Freestyle	LCM	18:09.16	AA+37.57s to AAA	2026-01-01	1723269
50 Backstroke	LCM	30.24	AA+0.45s to AAA	2025-01-01	1608906
100 Backstroke	LCM	1:00.94	AAA+1.35s to AAAA	2026-06-13	2026 CO CSI Long Course Open fast pool
200 Backstroke	LCM	2:16.42	AA+1.03s to AAA	2026-06-12	2026 CO CSI Long Course Open fast pool
50 Breaststroke	LCM	33.20	AA+0.31s to AAA	2025-07-20	2025 CO CSI Senior LC State Championships venue
100 Breaststroke	LCM	1:11.37	AA+0.78s to AAA	2025-07-18	2025 CO CSI Senior LC State Championships venue
200 Breaststroke	LCM	2:33.86	AA+0.37s to AAA	2026-06-12	2026 CO CSI Long Course Open fast pool
50 Butterfly	LCM	30.66	A+1.17s to AA	2025-01-01	1608906
100 Butterfly	LCM	1:11.53	B+0.04s to BB	2025-06-28	2025 CO FAST Intra-Squad venue
200 Butterfly	LCM	2:55.31	+3.02s to B	2024-06-08	2024 CO FAST June Bonanza Open venue
200 Individual Medley	LCM	2:15.93	AAA+3.54s to AAAA	2026-06-14	2026 CO CSI Long Course Open fast pool
400 Individual Medley	LCM	5:00.79	AA+5.20s to AAA	2026-06-13	2026 CO CSI Long Course Open fast pool

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

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	24.29	flying	200 Free Relay (leg 4)	2024-03-02	2024 CO NCS Winter District Championships
100 Freestyle	SCY	52.14	flat	400 Free Relay	2024-12-06	2024 NAC SPEEDO Music City Invitational
200 Freestyle	SCY	1:46.01	flat	800 Free Relay	2026-03-12	2026 Speedo Sectionals (North) - West Fargo
50 Backstroke	SCY	32.79	flat	200 Medley Relay	2022-03-06	2022 CO NCS Winter District Championships
100 Backstroke	SCY	56.17	flat	400 Medley Relay	2024-12-07	2024 NAC SPEEDO Music City Invitational
50 Breaststroke	SCY	29.98	flying	200 Medley Relay (leg 2)	2024-03-03	2024 CO NCS Winter District 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

5088 points (6/6 events)

Event	Time	Points
500 FR SCY	4:57.01	804
200 BK SCY	1:53.56	926
200 BR SCY	2:07.12	957
200 FL SCY	2:18.06	543
200 IM SCY	1:56.39	919
400 IM SCY	4:06.68	939

IMR 15-16 · SCY

4297 points (5/5 events)

Event	Time	Points
200 FR SCY	1:46.07	888
100 BK SCY	51.97	927
100 BR SCY	59.08	931
100 FL SCY	58.69	632
200 IM SCY	1:56.39	919

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

PR splits

100 Freestyle SCY 48.72

23.17

25.55

Front half 23.17s · back half 25.55s

200 Freestyle SCY 1:46.07

23.87

26.90

27.66

27.64

Front half 50.77s · back half 55.30s

500 Freestyle SCY 4:57.01

25.29

29.11

30.08

30.48

30.39

30.50

31.15

31.07

29.59

29.35

Front half 145.35s · back half 151.66s

1000 Freestyle SCY 10:47.86

27.53

31.05

31.65

31.80

31.72

32.32

32.37

33.02

33.88

32.83

33.28

33.35

33.32

33.37

33.65

33.05

33.21

33.03

33.02

30.41

Front half 318.17s · back half 329.69s

1650 Freestyle SCY 17:14.16

25.23

29.03

30.51

30.42

30.92

31.26

31.50

31.32

31.58

32.25

32.03

32.56

32.13

31.95

32.58

32.18

32.20

32.38

32.25

32.03

31.23

31.41

31.49

31.92

32.30

31.58

32.17

32.12

31.98

32.08

31.08

30.23

28.26

100 Backstroke SCY 51.97

24.94

27.03

Front half 24.94s · back half 27.03s

200 Backstroke SCY 1:53.56

25.71

28.52

29.36

29.97

Front half 54.23s · back half 59.33s

100 Butterfly SCY 58.69

26.50

32.19

Front half 26.50s · back half 32.19s

200 Butterfly SCY 2:18.06

28.89

35.31

36.69

37.17

Front half 64.20s · back half 73.86s

200 Individual Medley SCY 1:56.39

24.47

29.21

33.76

28.95

Front half 53.68s · back half 62.71s

400 Individual Medley SCY 4:06.68

26.07

31.06

31.81

31.09

35.02

34.89

29.66

27.08

Front half 120.03s · back half 126.65s

800 Individual Medley SCY 9:29.37

30.91

37.34

39.54

40.14

36.59

34.27

34.69

34.68

37.39

38.51

40.32

40.02

31.95

30.84

32.11

30.07

Front half 288.16s · back half 281.21s

100 Freestyle LCM 57.84

28.00

29.84

Front half 28.00s · back half 29.84s

200 Freestyle LCM 2:06.69

29.43

32.02

33.37

31.87

Front half 61.45s · back half 65.24s

400 Freestyle LCM 4:57.34

34.41

37.60

37.92

38.39

37.81

38.25

37.49

35.47

Front half 148.32s · back half 149.02s

800 Freestyle LCM 9:20.26

29.52

32.06

33.78

33.84

35.42

35.87

36.80

36.19

36.37

35.77

36.50

36.62

35.95

35.77

35.74

34.06

Front half 273.48s · back half 286.78s

100 Backstroke LCM 1:00.94

29.32

31.62

Front half 29.32s · back half 31.62s

200 Backstroke LCM 2:16.42

31.03

34.20

35.71

35.48

Front half 65.23s · back half 71.19s

100 Breaststroke LCM 1:11.37

33.45

37.92

Front half 33.45s · back half 37.92s

200 Breaststroke LCM 2:33.86

34.62

38.66

39.78

40.80

Front half 73.28s · back half 80.58s

100 Butterfly LCM 1:11.53

32.71

38.82

Front half 32.71s · back half 38.82s

200 Butterfly LCM 2:55.31

37.73

45.30

45.71

46.57

Front half 83.03s · back half 92.28s

200 Individual Medley LCM 2:15.93

28.44

35.12

40.49

31.88

Front half 63.56s · back half 72.37s

400 Individual Medley LCM 5:00.79

32.79

39.98

40.03

37.57

41.64

41.78

34.86

32.14

Front half 150.37s · back half 150.42s

Reaction time

fastest 0.62s average 0.687s slowest 0.75s 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.

25 Freestyle SCY 10.73 3 swims

50 Freestyle SCY 22.38 39 swims

100 Freestyle SCY 48.72 28 swims

200 Freestyle SCY 1:46.07 22 swims

500 Freestyle SCY 4:57.01 7 swims

1000 Freestyle SCY 10:47.86 3 swims

1650 Freestyle SCY 17:14.16 6 swims

25 Backstroke SCY 13.91 1 swim

50 Backstroke SCY 26.05 26 swims

100 Backstroke SCY 51.97 41 swims

200 Backstroke SCY 1:53.56 19 swims

25 Breaststroke SCY 14.12 1 swim

50 Breaststroke SCY 30.68 22 swims

100 Breaststroke SCY 59.08 41 swims

200 Breaststroke SCY 2:07.12 26 swims

25 Butterfly SCY 12.70 1 swim

50 Butterfly SCY 27.02 17 swims

100 Butterfly SCY 58.69 16 swims

200 Butterfly SCY 2:18.06 5 swims

100 Individual Medley SCY 58.85 20 swims

200 Individual Medley SCY 1:56.39 32 swims

400 Individual Medley SCY 4:06.68 20 swims

800 Individual Medley SCY 9:29.37 1 swim

50 Freestyle LCM 26.42 17 swims

100 Freestyle LCM 57.84 14 swims

200 Freestyle LCM 2:06.69 12 swims

400 Freestyle LCM 4:57.34 5 swims

800 Freestyle LCM 9:20.26 7 swims

1500 Freestyle LCM 18:09.16 4 swims

50 Backstroke LCM 30.24 9 swims

100 Backstroke LCM 1:00.94 33 swims

200 Backstroke LCM 2:16.42 15 swims

50 Breaststroke LCM 33.20 11 swims

100 Breaststroke LCM 1:11.37 23 swims

200 Breaststroke LCM 2:33.86 15 swims

50 Butterfly LCM 30.66 12 swims

100 Butterfly LCM 1:11.53 7 swims

200 Butterfly LCM 2:55.31 1 swim

200 Individual Medley LCM 2:15.93 16 swims

400 Individual Medley LCM 5:00.79 10 swims