Mackenzie Rivera

Fage 18BDCOIEMTNMPNSTUTCAQNMS

160 plausible swims · 23 meets · 2016-01-01 → 2025-07-10

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	25.71	AA+0.92s to AAA·+0.12s to Sectionals	2025-03-06	2025 NMS Short Course State Championships
100 Freestyle	SCY	55.59	AA+1.80s to AAA·+0.10s to Sectionals	2024-11-24	17th Annual TYR CAQ High Desert Classic venue
200 Freestyle	SCY	1:59.40	AA+2.61s to AAA·Sectionals ✓+7.11s to Futures	2025-03-28	2025 Four Corners Speedo Sectionals - Austin venue
500 Freestyle	SCY	5:24.73	AA+11.84s to AAA·+7.04s to Sectionals	2025-03-06	2025 NMS Short Course State Championships
1650 Freestyle	SCY	20:29.46	BB+50.57s to A·+116.97s to Sectionals	2021-04-09	2021 CO FAST Unicorn Eliminator venue
50 Backstroke	SCY	29.66	A+0.97s to AA·+0.27s to Sectionals	2025-03-06	2025 NMS Short Course State Championships
100 Backstroke	SCY	1:01.17	A+0.08s to AA·Sectionals ✓+4.08s to Futures	2024-11-23	17th Annual TYR CAQ High Desert Classic venue
200 Backstroke	SCY	2:25.12	BB+6.43s to A·+8.43s to Sectionals	2021-04-11	2021 CO FAST Unicorn Eliminator venue
50 Breaststroke	SCY	29.51	AAAA·Futures ✓+0.82s to Nationals	2025-03-06	2025 NMS Short Course State Championships
100 Breaststroke	SCY	1:02.66	AAAA·Futures ✓+0.27s to US Open	2025-03-29	2025 Four Corners Speedo Sectionals - Austin venue
200 Breaststroke	SCY	2:18.60	AAAA·Futures ✓+3.21s to US Open	2025-03-27	2025 Four Corners Speedo Sectionals - Austin venue
50 Butterfly	SCY	28.12	AA+0.73s to AAA·+0.03s to Sectionals	2025-03-06	2025 NMS Short Course State Championships
100 Butterfly	SCY	1:01.55	A+0.86s to AA·+0.96s to Sectionals	2024-11-24	17th Annual TYR CAQ High Desert Classic venue
200 Butterfly	SCY	2:21.23	BB+1.04s to A·+5.74s to Sectionals	2025-03-06	2025 NMS Short Course State Championships
100 Individual Medley	SCY	1:03.57		2024-10-12	2024 NM CAQ Fall Decathlon venue
200 Individual Medley	SCY	2:08.77	AAA+4.18s to AAAA·Sectionals ✓+2.38s to Futures	2025-03-30	2025 Four Corners Speedo Sectionals - Austin venue
400 Individual Medley	SCY	4:44.30	AA+6.21s to AAA·Sectionals ✓+13.61s to Futures	2023-03-24	2023 Four Corners Speedo Sectionals - Austin venue
100 Freestyle	SCM	1:04.01	A+1.92s to AA·+2.22s to Sectionals	2024-06-08	2024 NM CAQ Summer SCM Quad Meet venue
50 Breaststroke	SCM	34.48	AAA+0.69s to AAAA·Sectionals ✓	2024-06-08	2024 NM CAQ Summer SCM Quad Meet venue
100 Breaststroke	SCM	1:14.79	AA+0.80s to AAA·Sectionals ✓	2024-06-08	2024 NM CAQ Summer SCM Quad Meet venue
100 Individual Medley	SCM	1:11.64		2024-06-08	2024 NM CAQ Summer SCM Quad Meet venue
50 Freestyle	LCM	30.12	A+0.43s to AA·+1.03s to Sectionals	2024-06-20	2024 NM Sprint Shoot Out venue
100 Freestyle	LCM	1:30.73	+12.64s to B·+27.84s to Sectionals	2016-01-01	Las Cruces Aquatic Team
200 Freestyle	LCM	2:53.81	+4.52s to B·+38.42s to Sectionals	2018-05-04	2018 LCAT Suntan Classic
800 Freestyle	LCM	10:31.44	A+23.45s to AA·+41.35s to Sectionals	2024-06-22	2024 NM Sprint Shoot Out venue
1500 Freestyle	LCM	20:02.55	A+38.46s to AA·+73.16s to Sectionals	2021-08-07	2021 Western Zone Age Group Championships venue
50 Backstroke	LCM	37.84	BB+2.05s to A·+4.05s to Sectionals	2025-07-10	2025 NMS Long Course State Championship2
100 Backstroke	LCM	1:14.45	BB+0.26s to A·+2.96s to Sectionals	2024-07-13	2024 NM Long Course State Championships venue
200 Backstroke	LCM	2:39.02	A+4.53s to AA·+3.23s to Sectionals	2024-07-14	2024 NM Long Course State Championships venue
50 Breaststroke	LCM	33.19	AAAA·Nationals ✓	2024-07-14	2024 NM Long Course State Championships venue
100 Breaststroke	LCM	1:12.14	AAAA·US Open ✓+0.85s to Nationals	2024-07-24	2024 USAS Futures Championships-Minneapolis venue
200 Breaststroke	LCM	2:37.96	AAAA·US Open ✓+3.77s to Nationals	2024-07-26	2024 USAS Futures Championships-Minneapolis venue
50 Butterfly	LCM	51.10	+12.31s to B·+19.01s to Sectionals	2016-01-01	Las Cruces Aquatic Team
100 Butterfly	LCM	1:13.51	BB+1.32s to A·+4.92s to Sectionals	2024-06-21	2024 NM Sprint Shoot Out venue
200 Individual Medley	LCM	2:27.87	AAA+5.18s to AAAA·Sectionals ✓+1.68s to Futures	2024-07-27	2024 USAS Futures Championships-Minneapolis venue
400 Individual Medley	LCM	5:13.51	AAA+8.72s to AAAA·Sectionals ✓+6.22s to Futures	2024-03-15	2024 Northwest Spring Speedo Sectionals venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.

National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Breaststroke	SCY	31.31	flying	200 Medley Relay (leg 2)	2022-03-24	2022 4C Speedo Sectionals - Austin
100 Breaststroke	SCY	1:07.22	flying	400 Medley Relay (leg 2)	2022-03-27	2022 4C Speedo Sectionals - Austin

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

4618 points (6/6 events)

Event	Time	Points
500 FR SCY	5:24.73	768
200 BK SCY	2:25.12	552
200 BR SCY	2:18.60	997
200 FL SCY	2:21.23	646
200 IM SCY	2:08.77	864
400 IM SCY	4:44.30	791

IMR 17-18 · SCY

4145 points (5/5 events)

Event	Time	Points
200 FR SCY	1:59.40	790
100 BK SCY	1:01.17	726
100 BR SCY	1:02.66	1045
100 FL SCY	1:01.55	720
200 IM SCY	2:08.77	864

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

PR splits

100 Freestyle SCY 55.59

26.90

28.69

Front half 26.90s · back half 28.69s

200 Freestyle SCY 1:59.40

28.25

29.76

30.45

30.94

Front half 58.01s · back half 61.39s

1650 Freestyle SCY 20:29.46

31.14

35.34

36.48

36.58

37.06

37.00

37.21

37.53

37.59

37.27

37.15

37.48

37.66

37.35

37.69

38.05

37.95

37.77

38.00

37.78

37.81

37.94

37.79

38.27

38.23

38.07

38.74

38.21

37.89

37.39

36.90

36.59

35.55

100 Backstroke SCY 1:01.17

29.94

31.23

Front half 29.94s · back half 31.23s

200 Backstroke SCY 2:25.12

34.38

36.42

37.00

37.32

Front half 70.80s · back half 74.32s

100 Breaststroke SCY 1:02.66

29.64

33.02

Front half 29.64s · back half 33.02s

200 Breaststroke SCY 2:18.60

31.85

35.50

35.24

36.01

Front half 67.35s · back half 71.25s

100 Butterfly SCY 1:01.55

29.05

32.50

Front half 29.05s · back half 32.50s

100 Individual Medley SCY 1:03.57

30.44

33.13

Front half 30.44s · back half 33.13s

200 Individual Medley SCY 2:08.77

28.42

33.94

34.59

31.82

Front half 62.36s · back half 66.41s

400 Individual Medley SCY 4:44.30

32.40

35.38

35.83

36.20

39.04

40.35

33.49

31.61

Front half 139.81s · back half 144.49s

100 Freestyle SCM 1:04.01

30.69

33.32

Front half 30.69s · back half 33.32s

100 Breaststroke SCM 1:14.79

35.74

39.05

Front half 35.74s · back half 39.05s

100 Individual Medley SCM 1:11.64

34.82

36.82

Front half 34.82s · back half 36.82s

800 Freestyle LCM 10:31.44

35.80

38.86

35.35

43.41

39.74

39.64

34.01

45.77

40.28

40.29

40.26

40.01

40.33

39.70

39.73

38.26

Front half 312.58s · back half 318.86s

1500 Freestyle LCM 20:02.55

35.29

39.13

39.81

40.13

40.30

40.53

40.38

40.52

40.74

40.58

40.68

40.86

40.72

40.63

40.62

40.26

40.58

40.84

40.32

40.60

40.70

40.91

40.36

40.62

40.59

40.11

39.64

39.44

38.97

37.69

Front half 600.92s · back half 601.63s

200 Backstroke LCM 2:39.02

37.86

39.97

41.17

40.02

Front half 77.83s · back half 81.19s

100 Breaststroke LCM 1:12.14

34.24

37.90

Front half 34.24s · back half 37.90s

200 Breaststroke LCM 2:37.96

36.47

39.98

40.43

41.08

Front half 76.45s · back half 81.51s

100 Butterfly LCM 1:13.51

34.88

38.63

Front half 34.88s · back half 38.63s

200 Individual Medley LCM 2:27.87

33.13

39.61

40.22

34.91

Front half 72.74s · back half 75.13s

400 Individual Medley LCM 5:13.51

35.93

38.36

41.40

40.73

42.62

42.23

36.84

35.40

Front half 156.42s · back half 157.09s

Reaction time

fastest 0.60s average 0.677s slowest 0.72s 4 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 25.71 8 swims

100 Freestyle SCY 55.59 5 swims

200 Freestyle SCY 1:59.40 5 swims

500 Freestyle SCY 5:24.73 3 swims

1650 Freestyle SCY 20:29.46 1 swim

50 Backstroke SCY 29.66 5 swims

100 Backstroke SCY 1:01.17 7 swims

200 Backstroke SCY 2:25.12 3 swims

50 Breaststroke SCY 29.51 5 swims

100 Breaststroke SCY 1:02.66 10 swims

200 Breaststroke SCY 2:18.60 8 swims

50 Butterfly SCY 28.12 5 swims

100 Butterfly SCY 1:01.55 3 swims

200 Butterfly SCY 2:21.23 2 swims

100 Individual Medley SCY 1:03.57 1 swim

200 Individual Medley SCY 2:08.77 8 swims

400 Individual Medley SCY 4:44.30 2 swims

100 Freestyle SCM 1:04.01 1 swim

50 Breaststroke SCM 34.48 1 swim

100 Breaststroke SCM 1:14.79 1 swim

100 Individual Medley SCM 1:11.64 1 swim

50 Freestyle LCM 30.12 4 swims

100 Freestyle LCM 1:30.73 1 swim

200 Freestyle LCM 2:53.81 2 swims

800 Freestyle LCM 10:31.44 1 swim

1500 Freestyle LCM 20:02.55 2 swims

50 Backstroke LCM 37.84 4 swims

100 Backstroke LCM 1:14.45 3 swims

200 Backstroke LCM 2:39.02 3 swims

50 Breaststroke LCM 33.19 3 swims

100 Breaststroke LCM 1:12.14 20 swims

200 Breaststroke LCM 2:37.96 14 swims

50 Butterfly LCM 51.10 1 swim

100 Butterfly LCM 1:13.51 2 swims

200 Individual Medley LCM 2:27.87 11 swims

400 Individual Medley LCM 5:13.51 4 swims