swimstats

Mackenzie Rivera

Fage 18BDCOIEMTNMPNSTUTCAQNMS

145 plausible swims · 22 meets · 2016-01-01 → 2025-07-10

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 25.71 AA+0.92s to AAA·+0.82s to Sectionals 2025-03-06 2025 NMS Short Course State Championships
100 Freestyle SCY 55.59 AA+1.80s to AAA·+1.50s to Sectionals 2024-11-24 17th Annual TYR CAQ High Desert Classicvenue
200 Freestyle SCY 1:59.40 AA+2.61s to AAA·+2.71s to Sectionals 2025-03-28 2025 Four Corners Speedo Sectionals - Austinvenue
500 Freestyle SCY 5:24.73 AA+11.84s to AAA·+14.84s to Sectionals 2025-03-06 2025 NMS Short Course State Championships
1650 Freestyle SCY 20:29.46 BB+50.57s to A·+144.17s to Sectionals 2021-04-09 2021 CO FAST Unicorn Eliminatorvenue
50 Backstroke SCY 29.66 A+0.97s to AA·+1.07s to Sectionals 2025-03-06 2025 NMS Short Course State Championships
100 Backstroke SCY 1:01.17 A+0.08s to AA·+0.38s to Sectionals 2024-11-23 17th Annual TYR CAQ High Desert Classicvenue
200 Backstroke SCY 2:25.12 BB+6.43s to A·+11.83s to Sectionals 2021-04-11 2021 CO FAST Unicorn Eliminatorvenue
50 Breaststroke SCY 29.51 AAAA·Futures ✓+0.72s to Jr Nationals 2025-03-06 2025 NMS Short Course State Championships
100 Breaststroke SCY 1:02.66 AAAA·Winter JNs ✓+0.27s to Jr Nationals 2025-03-29 2025 Four Corners Speedo Sectionals - Austinvenue
200 Breaststroke SCY 2:18.60 AAAA·Futures ✓+1.41s to Winter JNs 2025-03-27 2025 Four Corners Speedo Sectionals - Austinvenue
50 Butterfly SCY 28.12 AA+0.73s to AAA·+0.73s to Sectionals 2025-03-06 2025 NMS Short Course State Championships
100 Butterfly SCY 1:01.55 A+0.86s to AA·+2.46s to Sectionals 2024-11-24 17th Annual TYR CAQ High Desert Classicvenue
200 Butterfly SCY 2:21.23 BB+1.04s to A·+9.04s 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 Decathlonvenue
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 - Austinvenue
400 Individual Medley SCY 4:44.30 AA+6.21s to AAA·+5.61s to Sectionals 2023-03-24 2023 Four Corners Speedo Sectionals - Austinvenue
100 Freestyle SCM 1:04.01 A+1.92s to AA·+3.72s to Sectionals 2024-06-08 2024 NM CAQ Summer SCM Quad Meetvenue
50 Breaststroke SCM 34.48 AAA+0.69s to AAAA·Sectionals ✓ 2024-06-08 2024 NM CAQ Summer SCM Quad Meetvenue
100 Breaststroke SCM 1:14.79 AA+0.80s to AAA·Sectionals ✓ 2024-06-08 2024 NM CAQ Summer SCM Quad Meetvenue
100 Individual Medley SCM 1:11.64 2024-06-08 2024 NM CAQ Summer SCM Quad Meetvenue
50 Freestyle LCM 30.12 A+0.43s to AA·+1.73s to Sectionals 2024-06-20 2024 NM Sprint Shoot Outvenue
100 Freestyle LCM 1:30.73 +12.64s to B·+29.44s to Sectionals 2016-01-01 Las Cruces Aquatic Team
200 Freestyle LCM 2:53.81 +4.52s to B·+41.72s to Sectionals 2018-05-04 2018 LCAT Suntan Classic
800 Freestyle LCM 10:31.44 A+23.45s to AA·+55.75s to Sectionals 2024-06-22 2024 NM Sprint Shoot Outvenue
1500 Freestyle LCM 20:02.55 A+38.46s to AA·+100.76s to Sectionals 2021-08-07 2021 Western Zone Age Group Championshipsvenue
50 Backstroke LCM 37.84 BB+2.05s to A·+4.95s to Sectionals 2025-07-10 2025 NMS Long Course State Championship2
100 Backstroke LCM 1:14.45 BB+0.26s to A·+4.66s to Sectionals 2024-07-13 2024 NM Long Course State Championshipsvenue
200 Backstroke LCM 2:39.02 A+4.53s to AA·+7.03s to Sectionals 2024-07-14 2024 NM Long Course State Championshipsvenue
50 Breaststroke LCM 33.19 AAAA·US Open ✓ 2024-07-14 2024 NM Long Course State Championshipsvenue
100 Breaststroke LCM 1:12.14 AAAA·Jr Nationals ✓+0.35s to US Open 2024-07-24 2024 USAS Futures Championships-Minneapolisvenue
200 Breaststroke LCM 2:37.96 AAAA·Jr Nationals ✓+2.47s to US Open 2024-07-26 2024 USAS Futures Championships-Minneapolisvenue
50 Butterfly LCM 51.10 +12.31s to B·+19.81s to Sectionals 2016-01-01 Las Cruces Aquatic Team
100 Butterfly LCM 1:13.51 BB+1.32s to A·+6.12s to Sectionals 2024-06-21 2024 NM Sprint Shoot Outvenue
200 Individual Medley LCM 2:27.87 AAA+5.18s to AAAA·Sectionals ✓+1.68s to Futures 2024-07-27 2024 USAS Futures Championships-Minneapolisvenue
400 Individual Medley LCM 5:13.51 AAA+8.72s to AAAA·Sectionals ✓+6.22s to Futures 2024-03-15 2024 Northwest Spring Speedo Sectionalsvenue

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

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 25.56 flying 200 Free Relay (leg 4) 2025-03-27 2025 Four Corners Speedo Sectionals - Austin
100 Freestyle SCY 55.59 flat 400 Free Relay 2024-11-24 17th Annual TYR CAQ High Desert Classic
100 Freestyle SCY 54.75 flying 400 Free Relay (leg 3) 2025-03-28 2025 Four Corners Speedo Sectionals - Austin
200 Freestyle SCY 1:58.57 flat 800 Free Relay 2024-11-22 17th Annual TYR CAQ High Desert Classic
200 Freestyle SCY 2:00.71 flying 800 Free Relay (leg 3) 2025-03-29 2025 Four Corners Speedo Sectionals - Austin
100 Backstroke SCY 1:02.78 flat 400 Medley Relay 2025-03-30 2025 Four Corners Speedo Sectionals - Austin
50 Breaststroke SCY 29.44 flying 200 Medley Relay (leg 2) 2025-03-27 2025 Four Corners Speedo Sectionals - Austin
100 Breaststroke SCY 1:03.96 flying 400 Medley Relay (leg 2) 2024-11-23 17th Annual TYR CAQ High Desert Classic
50 Freestyle LCM 29.03 flat 200 Free Relay 2024-03-14 2024 Northwest Spring Speedo Sectionals
50 Freestyle LCM 29.28 flying 200 Free Relay (leg 2) 2024-07-13 2024 NM Long Course State Championships
100 Freestyle LCM 1:06.73 flat 400 Free Relay 2022-07-30 Finals - Western Zone Senior Champs
100 Freestyle LCM 1:03.79 flying 400 Free Relay (leg 3) 2024-07-12 2024 NM Long Course State Championships
200 Freestyle LCM 2:17.74 flying 800 Free Relay (leg 4) 2024-07-11 2024 NM Long Course State Championships
50 Breaststroke LCM 31.40 flying 200 Medley Relay (leg 2) 2021-08-05 2021 Western Zone Age Group Championships
100 Breaststroke LCM 1:13.36 flying 400 Medley Relay (leg 2) 2024-07-14 2024 NM Long Course 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

4618 points (6/6 events)

EventTime 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)

EventTime 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.

Swim history

Every recorded swim, newest first
DateEventCourse TimeAge RoundMeet

Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.

Progression

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

50 Freestyle SCY 25.71 6 swims
100 Freestyle SCY 55.59 5 swims
200 Freestyle SCY 1:59.40 5 swims
500 Freestyle SCY 5:24.73 2 swims
1650 Freestyle SCY 20:29.46 1 swim
50 Backstroke SCY 29.66 3 swims
100 Backstroke SCY 1:01.17 5 swims
200 Backstroke SCY 2:25.12 2 swims
50 Breaststroke SCY 29.51 3 swims
100 Breaststroke SCY 1:02.66 10 swims
200 Breaststroke SCY 2:18.60 8 swims
50 Butterfly SCY 28.12 3 swims
100 Butterfly SCY 1:01.55 3 swims
200 Butterfly SCY 2:21.23 1 swim
100 Individual Medley SCY 1:03.57 1 swim
200 Individual Medley SCY 2:08.77 7 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 10 swims
400 Individual Medley LCM 5:13.51 4 swims