Jack Rivera

Mage 19MTSTASCTXLAUN

133 plausible swims · 20 meets · 2024-01-13 → 2026-06-21

Personal records

Event	Course	Best	Date	Meet
50 Freestyle	SCY	22.23	2025-03-30	2025 Four Corners Speedo Sectionals - Austin venue
100 Freestyle	SCY	48.97	2025-03-29	2025 Four Corners Speedo Sectionals - Austin venue
200 Freestyle	SCY	1:46.11	2025-03-28	2025 Four Corners Speedo Sectionals - Austin venue
500 Freestyle	SCY	4:50.02	2025-03-29	2025 Four Corners Speedo Sectionals - Austin venue
1000 Freestyle	SCY	10:12.16	2024-10-25	2024 ST TXLA 11&Over Fall Kick Off venue
1650 Freestyle	SCY	16:59.20	2024-02-18	2024 ST STAGS Championships venue
100 Backstroke	SCY	56.93	2024-11-24	2024 ST TXLA 11&Over November Unclassified venue
200 Backstroke	SCY	2:00.81	2024-01-13	2024 ST TXLA New Year's Classic venue
200 Individual Medley	SCY	2:05.75	2025-02-16	2025 ST AAAA Senior Champs venue
50 Freestyle	LCM	25.66	2026-06-07	2026 ST ASC June Bug fast pool
100 Freestyle	LCM	54.38	2024-06-20	2024 ST AAAA NS George Block Invite
200 Freestyle	LCM	2:06.51	2026-06-19	2026 ST ASC Firecracker venue
400 Freestyle	LCM	4:28.48	2025-05-17	2025 ST ASC Spring Showcase venue
800 Freestyle	LCM	9:13.81	2024-07-11	2024 ST Long Course STAGS Championship venue
1500 Freestyle	LCM	17:46.95	2024-06-21	2024 ST AAAA NS George Block Invite venue
100 Backstroke	LCM	1:06.83	2025-04-19	2025 ST ASC Long Course Kickoff venue
200 Backstroke	LCM	2:20.42	2024-06-20	2024 ST AAAA NS George Block Invite venue
50 Breaststroke	LCM	38.95	2024-06-20	2024 ST AAAA NS George Block Invite
100 Breaststroke	LCM	1:21.06	2024-05-26	2024 ST TXLA 11&Over End of School Splash venue
200 Individual Medley	LCM	2:31.82	2024-05-26	2024 ST TXLA 11&Over End of School Splash venue

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	22.59	flat	200 Free Relay	2025-02-14	2025 ST AAAA Senior Champs

Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.

PR splits

100 Freestyle SCY 48.97

23.61

25.36

Front half 23.61s · back half 25.36s

200 Freestyle SCY 1:46.11

24.50

26.70

27.73

27.18

Front half 51.20s · back half 54.91s

500 Freestyle SCY 4:50.02

26.44

29.00

29.03

29.60

29.25

29.45

29.47

29.82

29.98

27.98

Front half 143.32s · back half 146.70s

1000 Freestyle SCY 10:12.16

26.24

29.34

30.36

30.59

30.80

31.37

30.88

31.05

31.33

31.51

31.44

31.11

31.32

30.92

30.95

31.57

30.86

30.80

30.85

28.87

Front half 303.47s · back half 308.69s

1650 Freestyle SCY 16:59.20

27.81

29.92

30.58

31.00

31.07

30.93

31.15

31.26

31.64

31.70

31.23

32.16

31.30

31.68

31.91

31.24

31.34

31.14

31.56

30.97

31.58

31.33

30.62

30.94

31.10

30.76

31.16

30.52

30.62

30.91

30.48

30.99

26.60

100 Backstroke SCY 56.93

27.51

29.42

Front half 27.51s · back half 29.42s

200 Backstroke SCY 2:00.81

29.54

30.96

31.09

29.22

Front half 60.50s · back half 60.31s

200 Individual Medley SCY 2:05.75

26.73

32.92

37.86

28.24

Front half 59.65s · back half 66.10s

200 Freestyle LCM 2:06.51

28.73

31.64

33.29

32.85

Front half 60.37s · back half 66.14s

400 Freestyle LCM 4:28.48

30.62

33.98

34.42

34.60

34.65

34.59

33.64

31.98

Front half 133.62s · back half 134.86s

800 Freestyle LCM 9:13.81

64.18

70.64

70.11

71.63

70.29

71.42

69.89

65.65

Front half 276.56s · back half 277.25s

1500 Freestyle LCM 17:46.95

66.00

71.03

71.50

71.90

72.29

72.75

71.98

72.44

72.18

72.69

71.23

72.25

71.21

70.68

66.82

100 Backstroke LCM 1:06.83

32.32

34.51

Front half 32.32s · back half 34.51s

200 Backstroke LCM 2:20.42

32.94

36.27

36.32

34.89

Front half 69.21s · back half 71.21s

50 Breaststroke LCM 38.95 split/total mismatch

72.80

0.98

Front half 72.80s · back half -33.85s

200 Individual Medley LCM 2:31.82

71.50

80.32

Front half 71.50s · back half 80.32s

Reaction time

fastest 0.61s average 0.630s slowest 0.65s 2 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 22.23 9 swims

100 Freestyle SCY 48.97 10 swims

200 Freestyle SCY 1:46.11 11 swims

500 Freestyle SCY 4:50.02 13 swims

1000 Freestyle SCY 10:12.16 4 swims

1650 Freestyle SCY 16:59.20 4 swims

100 Backstroke SCY 56.93 8 swims

200 Backstroke SCY 2:00.81 6 swims

200 Individual Medley SCY 2:05.75 1 swim

50 Freestyle LCM 25.66 14 swims

100 Freestyle LCM 54.38 11 swims

200 Freestyle LCM 2:06.51 10 swims

400 Freestyle LCM 4:28.48 10 swims

800 Freestyle LCM 9:13.81 4 swims

1500 Freestyle LCM 17:46.95 3 swims

100 Backstroke LCM 1:06.83 5 swims

200 Backstroke LCM 2:20.42 5 swims

50 Breaststroke LCM 38.95 2 swims

100 Breaststroke LCM 1:21.06 2 swims

200 Individual Medley LCM 2:31.82 1 swim