Megan Grenzenbach

Fage 16COMTLONG

452 plausible swims · 82 meets · 2021-09-25 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	27.14	A+0.85s to AA	2026-01-17	2026 CO CUDA Classic venue
100 Freestyle	SCY	56.39	AA+1.90s to AAA	2026-02-22	2026 CO Colorado Senior Meet fast pool
200 Freestyle	SCY	1:59.32	AA+1.93s to AAA	2026-03-27	2026 Four Corner Speedo Sectionals - Carmel - fast pool
500 Freestyle	SCY	5:13.74	AAA+11.75s to AAAA	2026-03-28	2026 Four Corner Speedo Sectionals - Carmel - fast pool
1000 Freestyle	SCY	10:49.29	AAA+20.60s to AAAA	2026-03-26	2026 Four Corner Speedo Sectionals - Carmel - fast pool
1650 Freestyle	SCY	17:56.03	AAA+23.54s to AAAA	2026-03-29	2026 Four Corner Speedo Sectionals - Carmel - fast pool
50 Backstroke	SCY	38.60	+3.31s to B	2023-02-12	2023 CO Loveland Sweetheart venue
100 Backstroke	SCY	1:09.10	BB+4.81s to A	2024-12-07	2024 CO CSI Pioneer Open venue
200 Backstroke	SCY	2:25.11	BB+5.82s to A	2025-03-08	2025 CO NCS Winter District Championships venue
50 Breaststroke	SCY	36.36	BB+0.97s to A	2025-01-01	2025 CO ACES Fall High Point Invite
100 Breaststroke	SCY	1:17.30	BB+3.11s to A	2026-01-17	2026 CO CUDA Classic venue
200 Breaststroke	SCY	2:49.98	BB+9.29s to A	2026-03-08	2026 CO NCS Winter District Championships venue
50 Butterfly	SCY	31.18	BB+1.09s to A	2025-01-01	2025 CO ACES Fall High Point Invite
100 Butterfly	SCY	1:05.47	BB+1.38s to A	2026-01-17	2026 CO CUDA Classic venue
200 Butterfly	SCY	2:18.33	A+1.64s to AA	2026-03-26	2026 Four Corner Speedo Sectionals - Carmel - fast pool
100 Individual Medley	SCY	1:18.52		2023-02-12	2023 CO Loveland Sweetheart venue
200 Individual Medley	SCY	2:25.14	BB+1.75s to A	2026-03-08	2026 CO NCS Winter District Championships venue
400 Individual Medley	SCY	4:59.19	A+5.00s to AA	2026-02-21	2026 CO Colorado Senior Meet fast pool
50 Freestyle	LCM	30.73	A+0.84s to AA	2025-04-27	2025 CO Steve Drozda LC Shotgun venue
100 Freestyle	LCM	1:04.80	A+0.31s to AA	2026-06-14	2026 CO CSI Long Course Open fast pool
200 Freestyle	LCM	2:17.12	AA+3.93s to AAA	2026-06-13	2026 CO CSI Long Course Open fast pool
400 Freestyle	LCM	4:43.62	AA+1.53s to AAA	2025-07-19	2025 CO CSI Senior LC State Championships venue
800 Freestyle	LCM	10:04.78	AA+22.39s to AAA	2025-05-18	2025 CO NJ Ken Kelley Invite fast pool
1500 Freestyle	LCM	18:50.40	AA+10.51s to AAA	2025-06-13	2025 CO CSI Long Course Open fast pool
50 Backstroke	LCM	40.22	B+1.83s to BB	2026-06-07	2026 CO NJ Summer Solstice Invite fast pool
100 Backstroke	LCM	1:21.31	B+0.12s to BB	2026-05-30	2026 CO Barracuda Summer Sizzler Invite venue
200 Backstroke	LCM	2:51.48	BB+10.49s to A	2026-05-03	2026 CO Longmont IMR/IMX Adrenaline Gauntlet venue
50 Breaststroke	LCM	43.27	BB+3.08s to A	2026-06-06	2026 CO NJ Summer Solstice Invite fast pool
100 Breaststroke	LCM	1:33.72	B+1.63s to BB	2024-07-13	2024 CO NCS Gold District Championships venue
200 Breaststroke	LCM	3:19.98	B+2.39s to BB	2026-05-03	2026 CO Longmont IMR/IMX Adrenaline Gauntlet venue
50 Butterfly	LCM	36.13	BB+2.54s to A	2026-06-06	2026 CO NJ Summer Solstice Invite fast pool
100 Butterfly	LCM	1:15.65	BB+3.26s to A	2026-05-16	2026 CO NJ Ken Kelley Invite fast pool
200 Butterfly	LCM	2:42.58	BB+1.29s to A	2026-06-12	2026 CO CSI Long Course Open venue
200 Individual Medley	LCM	2:43.42	A+5.93s to AA	2025-07-11	2025 CO NCS Gold District Championships venue
400 Individual Medley	LCM	5:45.31	A+10.22s to AA	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	27.60	flat	200 Free Relay	2024-12-07	2024 CO CSI Pioneer Open
50 Freestyle	SCY	26.79	flying	200 Free Relay (leg 3)	2024-03-02	2024 CO NCS Winter District Championships
50 Breaststroke	SCY	35.90	flying	200 Medley Relay (leg 2)	2024-03-03	2024 CO NCS Winter District Championships
50 Freestyle	LCM	30.96	flying	200 Free Relay (leg 3)	2026-06-07	2026 CO NJ Summer Solstice Invite
100 Freestyle	LCM	1:04.89	flying	400 Free Relay (leg 2)	2025-07-17	2025 CO CSI Senior LC State Championships
100 Breaststroke	LCM	1:32.04	flying	400 Medley Relay (leg 2)	2025-07-17	2025 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

4086 points (6/6 events)

Event	Time	Points
500 FR SCY	5:13.74	881
200 BK SCY	2:25.11	589
200 BR SCY	2:49.98	552
200 FL SCY	2:18.33	727
200 IM SCY	2:25.14	632
400 IM SCY	4:59.19	705

IMR 15-16 · SCY

3186 points (5/5 events)

Event	Time	Points
200 FR SCY	1:59.32	822
100 BK SCY	1:09.10	534
100 BR SCY	1:17.30	580
100 FL SCY	1:05.47	618
200 IM SCY	2:25.14	632

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

PR splits

100 Freestyle SCY 56.39

27.47

28.92

Front half 27.47s · back half 28.92s

200 Freestyle SCY 1:59.32

28.04

30.00

30.78

30.50

Front half 58.04s · back half 61.28s

500 Freestyle SCY 5:13.74

28.65

31.01

31.37

31.65

31.74

31.94

32.40

31.96

32.09

30.93

Front half 154.42s · back half 159.32s

1000 Freestyle SCY 10:49.29

30.04

31.77

32.04

32.94

32.47

32.79

32.75

32.78

32.87

32.85

32.96

32.91

32.82

32.67

32.92

33.06

32.70

32.56

32.55

30.84

Front half 323.30s · back half 325.99s

1650 Freestyle SCY 17:56.03

29.49

32.10

32.23

32.17

32.54

32.73

32.62

32.85

32.87

32.79

32.49

32.80

32.86

32.63

32.92

32.76

33.10

33.14

33.22

33.39

32.54

32.44

32.53

32.44

32.66

32.52

32.70

33.01

33.30

33.41

33.34

32.17

31.27

100 Backstroke SCY 1:09.10

33.73

35.37

Front half 33.73s · back half 35.37s

200 Backstroke SCY 2:25.11

35.39

36.37

37.39

35.96

Front half 71.76s · back half 73.35s

100 Breaststroke SCY 1:17.30

36.92

40.38

Front half 36.92s · back half 40.38s

200 Breaststroke SCY 2:49.98

17.90

20.54

21.33

21.59

22.27

22.31

21.73

Front half 81.36s · back half 88.62s

100 Butterfly SCY 1:05.47

31.03

34.44

Front half 31.03s · back half 34.44s

200 Butterfly SCY 2:18.33

30.37

34.99

36.07

36.90

Front half 65.36s · back half 72.97s

100 Individual Medley SCY 1:18.52

37.12

41.40

Front half 37.12s · back half 41.40s

200 Individual Medley SCY 2:25.14

15.28

16.17

19.30

18.76

21.46

22.01

16.62

15.54

Front half 69.51s · back half 75.63s

400 Individual Medley SCY 4:59.19

32.45

37.27

39.09

37.76

42.91

44.28

33.56

31.87

Front half 146.57s · back half 152.62s

100 Freestyle LCM 1:04.80

31.63

33.17

Front half 31.63s · back half 33.17s

200 Freestyle LCM 2:17.12

32.54

34.41

35.32

34.85

Front half 66.95s · back half 70.17s

400 Freestyle LCM 4:43.62

33.25

34.73

35.94

35.71

36.16

36.18

36.57

35.08

Front half 139.63s · back half 143.99s

800 Freestyle LCM 10:04.78

34.88

37.42

37.57

38.06

37.83

38.11

38.02

38.64

38.50

38.51

38.36

38.84

38.70

75.45

35.89

1500 Freestyle LCM 18:50.40

34.34

36.58

37.21

37.79

38.12

37.73

37.93

38.21

37.91

38.14

37.76

37.95

37.99

37.97

38.09

37.95

37.99

38.01

37.96

38.16

38.01

38.27

38.10

38.00

38.14

38.07

37.66

37.24

34.98

Front half 563.77s · back half 566.63s

100 Backstroke LCM 1:21.31

39.91

41.40

Front half 39.91s · back half 41.40s

200 Backstroke LCM 2:51.48

41.12

42.83

43.94

43.59

Front half 83.95s · back half 87.53s

100 Breaststroke LCM 1:33.72

45.37

48.35

Front half 45.37s · back half 48.35s

200 Breaststroke LCM 3:19.98

45.37

49.20

53.10

52.31

Front half 94.57s · back half 105.41s

100 Butterfly LCM 1:15.65

35.49

40.16

Front half 35.49s · back half 40.16s

200 Individual Medley LCM 2:43.42

36.93

43.53

47.98

34.98

Front half 80.46s · back half 82.96s

400 Individual Medley LCM 5:45.31

36.08

43.23

44.89

45.50

49.70

51.86

37.75

36.30

Front half 169.70s · back half 175.61s

Progression

Faster times are higher. One card per event, all courses & history.

50 Freestyle SCY 27.14 23 swims

100 Freestyle SCY 56.39 29 swims

200 Freestyle SCY 1:59.32 32 swims

500 Freestyle SCY 5:13.74 26 swims

1000 Freestyle SCY 10:49.29 3 swims

1650 Freestyle SCY 17:56.03 10 swims

50 Backstroke SCY 38.60 10 swims

100 Backstroke SCY 1:09.10 19 swims

200 Backstroke SCY 2:25.11 3 swims

50 Breaststroke SCY 36.36 13 swims

100 Breaststroke SCY 1:17.30 18 swims

200 Breaststroke SCY 2:49.98 14 swims

50 Butterfly SCY 31.18 10 swims

100 Butterfly SCY 1:05.47 10 swims

200 Butterfly SCY 2:18.33 9 swims

100 Individual Medley SCY 1:18.52 15 swims

200 Individual Medley SCY 2:25.14 23 swims

400 Individual Medley SCY 4:59.19 5 swims

50 Freestyle LCM 30.73 17 swims

100 Freestyle LCM 1:04.80 24 swims

200 Freestyle LCM 2:17.12 17 swims

400 Freestyle LCM 4:43.62 15 swims

800 Freestyle LCM 10:04.78 3 swims

1500 Freestyle LCM 18:50.40 10 swims

50 Backstroke LCM 40.22 6 swims

100 Backstroke LCM 1:21.31 16 swims

200 Backstroke LCM 2:51.48 2 swims

50 Breaststroke LCM 43.27 5 swims

100 Breaststroke LCM 1:33.72 19 swims

200 Breaststroke LCM 3:19.98 6 swims

50 Butterfly LCM 36.13 5 swims

100 Butterfly LCM 1:15.65 10 swims

200 Butterfly LCM 2:42.58 5 swims

200 Individual Medley LCM 2:43.42 12 swims

400 Individual Medley LCM 5:45.31 8 swims