swimstats

Jason Guo

MUTUNAUNATUNWFFUWFFMWFFM

354 plausible swims · 62 meets · 2018-11-16 → 2026-02-20

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 24.02 2024-12-05 2024 Utah Swimming SC Senior Championship fast pool
100 Freestyle SCY 52.13 2026 UT 5A State OBS fast pool
200 Freestyle SCY 1:58.74 2024-11-15 2024 WVA PSC Dive N Dash venue
500 Freestyle SCY 6:20.10 2021-02-20 2021 UT WFFM Last Chance venue
1650 Freestyle SCY 21:23.37 2021-11-13 2021 UT WVA PSC Dive N Dash slow pool
50 Backstroke SCY 29.25 2025-11-01 Pirate Pentathlon - copied venue
100 Backstroke SCY 1:04.26 2023-01-20 Fish Bowl Classic 2023 venue
200 Backstroke SCY 2:17.81 2024-01-12 WFFM Fish Bowl Classic 2024 venue
50 Breaststroke SCY 32.82 2025-09-18 WFFM September Intersquad venue
100 Breaststroke SCY 1:07.28 2025-12-05 2025 UT SC Senior Championships fast pool
200 Breaststroke SCY 2:29.07 2025-12-04 2025 UT SC Senior Championships fast pool
50 Butterfly SCY 25.06 2025-12-04 2025 UT SC Senior Championships fast pool
100 Butterfly SCY 55.62 2025-01-31 Region 6 OBS fast pool
200 Butterfly SCY 2:13.67 2023-12-02 2023-24 Utah Swimming SC Senior Championship fast pool
100 Individual Medley SCY 1:00.22 2025-09-18 WFFM September Intersquad venue
200 Individual Medley SCY 2:07.48 2024-12-05 2024 Utah Swimming SC Senior Championship fast pool
400 Individual Medley SCY 4:51.34 2023-03-02 2023 UT SC Age Group Championship venue
50 Freestyle LCM 28.00 2024-07-18 2024 LC SR CHAMPS venue
100 Freestyle LCM 1:02.50 2023-07-14 2023 UTAGS Championship venue
200 Freestyle LCM 2:19.56 2025-06-19 2025 UT CHAT INVITATIONAL venue
400 Freestyle LCM 5:17.50 2023-06-30 WFFM Red, White and Black 2023 venue
50 Backstroke LCM 37.39 2021-07-09 2021 UT WFFM LC Last Chance slow pool
100 Backstroke LCM 1:19.05 2022-07-09 2022 UT WFFM Red, White, Black venue
200 Backstroke LCM 2:51.41 2021-07-09 2021 UT WFFM LC Last Chance slow pool
50 Breaststroke LCM 36.48 2025-07-12 2025 Utah Swimming LC Senior Championships venue
100 Breaststroke LCM 1:20.91 2025-07-11 2025 Utah Swimming LC Senior Championships venue
200 Breaststroke LCM 2:59.80 2025-07-10 2025 Utah Swimming LC Senior Championships venue
50 Butterfly LCM 29.36 2025-07-10 2025 Utah Swimming LC Senior Championships venue
100 Butterfly LCM 1:07.21 2025-07-10 2025 Utah Swimming LC Senior Championships
200 Butterfly LCM 2:39.13 2025-07-11 2025 Utah Swimming LC Senior Championships venue
200 Individual Medley LCM 2:31.44 2025-07-12 2025 Utah Swimming LC Senior Championships venue
400 Individual Medley LCM 5:37.51 2023-07-13 2023 UTAGS Championship 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

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 26.59 flying 200 Free Relay (leg 2) 2021-03-04 2021 UT SC AG Champs
100 Freestyle SCY 58.01 flying 400 Free Relay (leg 3) 2021-03-06 2021 UT SC AG Champs
50 Breaststroke SCY 42.73 flying 200 Medley Relay (leg 2) 2019-03-07 2019 UT SC AG Championships
50 Butterfly SCY 28.49 flying 200 Medley Relay (leg 3) 2021-03-05 2021 UT SC AG Champs
50 Freestyle LCM 30.61 flat 200 Free Relay 2021-07-21 2021 UT LC Champs
100 Freestyle LCM 1:07.06 flat 400 Free Relay 2021-07-22 2021 UT LC Champs
50 Breaststroke LCM 39.54 flying 200 Medley Relay (leg 2) 2021-07-20 2021 UT LC 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

200 Freestyle SCY 1:58.74

26.88
29.59
30.76
31.51

Front half 56.47s · back half 62.27s

500 Freestyle SCY 6:20.10

68.13
105.47
143.70
182.45
221.99
261.22
300.68
340.28
380.10
420.24
459.90
500.25
539.80
580.08
620.82
660.95
701.14
742.28
782.50
822.93
862.76
902.61
942.98
982.99
1022.92
1062.79
1103.35
1143.84
1184.24
1223.61
1262.56
380.10

1650 Freestyle SCY 21:23.37

29.79
33.88
35.57
36.40
37.29
37.34
38.07
38.80
38.61
39.01
39.62
39.42
39.16
39.83
39.76
39.80
40.11
40.17
39.87
40.18
40.08
40.88
40.43
40.73
39.92
40.21
40.35
40.47
40.26
40.63
40.11
38.95
37.67

100 Backstroke SCY 1:04.26

31.22
33.04

Front half 31.22s · back half 33.04s

200 Backstroke SCY 2:17.81

32.54
34.04
35.37
35.86

Front half 66.58s · back half 71.23s

100 Breaststroke SCY 1:07.28

31.62
35.66

Front half 31.62s · back half 35.66s

200 Breaststroke SCY 2:29.07

33.40
37.87
38.91
38.89

Front half 71.27s · back half 77.80s

100 Butterfly SCY 55.62

25.87
29.75

Front half 25.87s · back half 29.75s

200 Butterfly SCY 2:13.67

28.38
32.25
34.38
38.66

Front half 60.63s · back half 73.04s

100 Individual Medley SCY 1:00.22

28.06
32.16

Front half 28.06s · back half 32.16s

200 Individual Medley SCY 2:07.48

26.13
32.62
38.31
30.42

Front half 58.75s · back half 68.73s

400 Individual Medley SCY 4:51.34

29.86
34.22
36.67
37.07
42.17
43.15
35.07
33.13

Front half 137.82s · back half 153.52s

100 Freestyle LCM 1:02.50

30.23
32.27

Front half 30.23s · back half 32.27s

200 Freestyle LCM 2:19.56

31.28
35.07
36.89
36.32

Front half 66.35s · back half 73.21s

400 Freestyle LCM 5:17.50

34.82
38.85
40.26
41.01
41.15
41.55
41.09
38.77

Front half 154.94s · back half 162.56s

100 Backstroke LCM 1:19.05

37.99
41.06

Front half 37.99s · back half 41.06s

200 Backstroke LCM 2:51.41

84.64
86.77

Front half 84.64s · back half 86.77s

100 Breaststroke LCM 1:20.91

38.54
42.37

Front half 38.54s · back half 42.37s

200 Breaststroke LCM 2:59.80

40.37
45.53
46.75
47.15

Front half 85.90s · back half 93.90s

200 Butterfly LCM 2:39.13

32.18
38.81
42.58
45.56

Front half 70.99s · back half 88.14s

200 Individual Medley LCM 2:31.44

31.05
39.88
44.00
36.51

Front half 70.93s · back half 80.51s

400 Individual Medley LCM 5:37.51

33.83
41.07
42.71
43.52
48.07
49.87
39.85
38.59

Front half 161.13s · back half 176.38s

Reaction time

fastest 0.41s average 0.632s 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 24.02 17 swims
100 Freestyle SCY 52.13 8 swims
200 Freestyle SCY 1:58.74 10 swims
500 Freestyle SCY 6:20.10 3 swims
1650 Freestyle SCY 21:23.37 2 swims
50 Backstroke SCY 29.25 12 swims
100 Backstroke SCY 1:04.26 10 swims
200 Backstroke SCY 2:17.81 3 swims
50 Breaststroke SCY 32.82 17 swims
100 Breaststroke SCY 1:07.28 20 swims
200 Breaststroke SCY 2:29.07 9 swims
50 Butterfly SCY 25.06 17 swims
100 Butterfly SCY 55.62 30 swims
200 Butterfly SCY 2:13.67 6 swims
100 Individual Medley SCY 1:00.22 12 swims
200 Individual Medley SCY 2:07.48 29 swims
400 Individual Medley SCY 4:51.34 7 swims
50 Freestyle LCM 28.00 14 swims
100 Freestyle LCM 1:02.50 9 swims
200 Freestyle LCM 2:19.56 5 swims
400 Freestyle LCM 5:17.50 1 swim
50 Backstroke LCM 37.39 6 swims
100 Backstroke LCM 1:19.05 5 swims
200 Backstroke LCM 2:51.41 1 swim
50 Breaststroke LCM 36.48 7 swims
100 Breaststroke LCM 1:20.91 14 swims
200 Breaststroke LCM 2:59.80 12 swims
50 Butterfly LCM 29.36 10 swims
100 Butterfly LCM 1:07.21 21 swims
200 Butterfly LCM 2:39.13 10 swims
200 Individual Medley LCM 2:31.44 19 swims
400 Individual Medley LCM 5:37.51 7 swims