Jolif Chu

Mage 12INMNMWSDCMASTCUN-CM

216 plausible swims · 42 meets · 2024-01-06 → 2026-08-06

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 27.90 A+0.91s to AA·+5.31s to Sectionals 2026-06-06 2026 MN ALEX Pool Sprints & Lake Swimvenue
100 Freestyle SCY 1:01.26 A+2.47s to AA·+12.27s to Sectionals 2026-02-07 2026 MN SDVL Sweet Heart Classicvenue
200 Freestyle SCY 2:16.54 BB+2.85s to A·+29.05s to Sectionals 2026-01-10 2026 MN MONC New Years Invitefast pool
500 Freestyle SCY 5:44.41 AA+14.42s to AAA·+51.52s to Sectionals 2026-05-02 2026 MN TUNA Spring Splashvenue
1000 Freestyle SCY 12:12.62 A+6.83s to AA·+124.13s to Sectionals 2026-02-08 2026 MN SDVL Sweet Heart Classicvenue
50 Backstroke SCY 30.86 AA+1.17s to AAA·+6.37s to Sectionals 2026-06-06 2026 MN ALEX Pool Sprints & Lake Swimvenue
100 Backstroke SCY 1:05.20 AA+2.41s to AAA·+9.11s to Sectionals 2026-05-03 2026 MN TUNA Spring Splashvenue
200 Backstroke SCY 2:21.72 AA+5.83s to AAA·+20.33s to Sectionals 2026-03-21 2026 MN NSAC 11-14 SC State Championshipvenue
50 Breaststroke SCY 36.19 A+1.20s to AA·+9.00s to Sectionals 2026-06-07 2026 MN ALEX Pool Sprints & Lake Swimvenue
100 Breaststroke SCY 1:18.19 A+3.30s to AA·+14.60s to Sectionals 2026-05-03 2026 MN TUNA Spring Splashvenue
200 Breaststroke SCY 2:47.32 A+5.93s to AA·+28.73s to Sectionals 2026-06-05 2026 MN ALEX Pool Sprints & Lake Swimvenue
50 Butterfly SCY 31.44 BB+0.25s to A·+7.75s to Sectionals 2026-06-07 2026 MN ALEX Pool Sprints & Lake Swimvenue
100 Butterfly SCY 1:10.70 BB+1.41s to A·+16.71s to Sectionals 2026-05-03 2026 MN TUNA Spring Splashvenue
200 Butterfly SCY 2:33.92 BB+2.43s to A·+31.13s to Sectionals 2026-06-05 2026 MN ALEX Pool Sprints & Lake Swimvenue
100 Individual Medley SCY 1:08.40 A+1.41s to AA 2026-03-21 2026 MN NSAC 11-14 SC State Championshipvenue
200 Individual Medley SCY 2:27.77 A+2.18s to AA·+26.78s to Sectionals 2026-03-20 2026 MN NSAC 11-14 SC State Championshipvenue
400 Individual Medley SCY 5:10.43 A+0.44s to AA·+46.44s to Sectionals 2026-03-19 2026 MN NSAC 11-14 SC State Championshipvenue
50 Freestyle LCM 31.19 A+0.40s to AA·+5.20s to Sectionals 2026-06-21 2026 SD Aberdeen Summer High Point Swim Meetvenue
100 Freestyle LCM 1:06.77 AA+2.28s to AAA·+10.18s to Sectionals 2026-06-20 2026 SD Aberdeen Summer High Point Swim Meetvenue
200 Freestyle LCM 2:22.27 AA+1.48s to AAA·+18.78s to Sectionals 2026-08-01 2026 MN RSC LC 11-14 State Championshipvenue
400 Freestyle LCM 5:07.90 AA+8.41s to AAA·+45.71s to Sectionals 2026-06-20 2026 SD Aberdeen Summer High Point Swim Meetvenue
800 Freestyle LCM 10:20.96 AAA+19.07s to AAAA·+70.17s to Sectionals 2026-08-06 2026 MN CZ 14 & U Championship Meet
1500 Freestyle LCM 19:45.53 AAA+21.64s to AAAA·+125.54s to Sectionals 2026-08-06 2026 MN CZ 14 & U Championship Meet
50 Backstroke LCM 34.35 AAA+1.66s to AAAA·+5.66s to Sectionals 2026-08-02 2026 MN RSC LC 11-14 State Championshipvenue
100 Backstroke LCM 1:12.89 AAA+2.50s to AAAA·+8.50s to Sectionals 2026-07-31 2026 MN RSC LC 11-14 State Championshipvenue
200 Backstroke LCM 2:33.85 AAA+1.66s to AAAA·+14.06s to Sectionals 2026-08-01 2026 MN RSC LC 11-14 State Championshipvenue
50 Breaststroke LCM 43.20 BB+1.21s to A·+11.21s to Sectionals 2026-06-28 2026 SD SFST Summer Surge Classicvenue
100 Breaststroke LCM 1:34.92 BB+3.63s to A·+22.13s to Sectionals 2026-06-26 2026 SD SFST Summer Surge Classicvenue
200 Breaststroke LCM 3:21.94 BB+6.55s to A·+42.15s to Sectionals 2026-05-17 2026 MN HURR LC Spring Openervenue
50 Butterfly LCM 35.29 A+1.70s to AA·+7.90s to Sectionals 2026-06-26 2026 SD SFST Summer Surge Classicvenue
100 Butterfly LCM 1:21.90 BB+2.41s to A·+20.41s to Sectionals 2026-06-21 2026 SD Aberdeen Summer High Point Swim Meetvenue
200 Butterfly LCM 2:58.35 BB+2.26s to A·+38.86s to Sectionals 2026-07-12 2026 MN BAC Last Chance Invitationalvenue
200 Individual Medley LCM 2:42.69 AA+3.90s to AAA·+23.30s to Sectionals 2026-07-31 2026 MN RSC LC 11-14 State Championshipvenue
400 Individual Medley LCM 5:44.07 AAA+15.68s to AAAA·+42.18s to Sectionals 2026-07-30 2026 MN RSC LC 11-14 State Championshipvenue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.

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.

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 28.61 flat 200 Free Relay 2026-01-11 2026 MN MONC New Years Invite
50 Freestyle SCY 27.54 flying 200 Free Relay (leg 4) 2026-06-06 2026 MN ALEX Pool Sprints & Lake Swim
100 Freestyle SCY 1:04.42 flying 400 Free Relay (leg 3) 2025-06-06 2025 MN ALEX Pool Sprints & Lake Swim
50 Backstroke SCY 34.30 flat 200 Medley Relay 2025-06-08 2025 MN ALEX Pool Sprints & Lake Swim
50 Butterfly SCY 31.38 flying 200 Medley Relay (leg 3) 2026-06-07 2026 MN ALEX Pool Sprints & Lake Swim
50 Backstroke LCM 35.62 flat 200 Medley Relay 2026-06-20 2026 SD Aberdeen Summer High Point Swim Meet

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 11-12 · LCM

3636 points (5/5 events)

EventTime Points
400 FR LCM 5:07.90 800
100 BK LCM 1:12.89 900
100 BR LCM 1:34.92 576
100 FL LCM 1:21.90 567
200 IM LCM 2:42.69 793

IMR 11-12 · LCM

3704 points (5/5 events)

EventTime Points
200 FR LCM 2:22.27 842
50 BK LCM 34.35 854
50 BR LCM 43.20 583
50 FL LCM 35.29 632
200 IM LCM 2:42.69 793

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

PR splits

100 Freestyle SCY 1:01.26

29.67
31.59

Front half 29.67s · back half 31.59s

200 Freestyle SCY 2:16.54

31.49
34.78
35.27
35.00

Front half 66.27s · back half 70.27s

500 Freestyle SCY 5:44.41

30.65
34.08
35.32
35.07
35.21
34.69
34.83
35.08
35.50
33.98

Front half 170.33s · back half 174.08s

1000 Freestyle SCY 12:12.62

32.24
35.68
36.55
36.58
36.96
37.10
36.34
37.07
36.30
37.49
36.96
37.23
37.04
37.35
37.19
37.30
37.26
37.02
37.42
35.54

Front half 362.31s · back half 370.31s

100 Backstroke SCY 1:05.20

31.35
33.85

Front half 31.35s · back half 33.85s

200 Backstroke SCY 2:21.72

32.76
36.68
36.51
35.77

Front half 69.44s · back half 72.28s

100 Breaststroke SCY 1:18.19

36.81
41.38

Front half 36.81s · back half 41.38s

200 Breaststroke SCY 2:47.32

38.23
42.45
43.09
43.55

Front half 80.68s · back half 86.64s

100 Butterfly SCY 1:10.70

33.72
36.98

Front half 33.72s · back half 36.98s

200 Butterfly SCY 2:33.92

33.30
38.35
39.82
42.45

Front half 71.65s · back half 82.27s

100 Individual Medley SCY 1:08.40

31.19
37.21

Front half 31.19s · back half 37.21s

200 Individual Medley SCY 2:27.77

32.92
36.40
44.39
34.06

Front half 69.32s · back half 78.45s

400 Individual Medley SCY 5:10.43

32.68
38.59
38.72
37.96
45.56
45.87
35.49
35.56

Front half 147.95s · back half 162.48s

100 Freestyle LCM 1:06.77

32.38
34.39

Front half 32.38s · back half 34.39s

200 Freestyle LCM 2:22.27

33.44
36.30
36.92
35.61

Front half 69.74s · back half 72.53s

400 Freestyle LCM 5:07.90

34.40
38.51
39.22
39.75
39.43
39.03
38.75
38.81

Front half 151.88s · back half 156.02s

100 Backstroke LCM 1:12.89

35.18
37.71

Front half 35.18s · back half 37.71s

200 Backstroke LCM 2:33.85

35.86
39.32
39.76
38.91

Front half 75.18s · back half 78.67s

100 Breaststroke LCM 1:34.92

44.33
50.59

Front half 44.33s · back half 50.59s

200 Breaststroke LCM 3:21.94

47.22
51.73
52.11
50.88

Front half 98.95s · back half 102.99s

100 Butterfly LCM 1:21.90

37.94
43.96

Front half 37.94s · back half 43.96s

200 Butterfly LCM 2:58.35

38.96
44.28
47.22
47.89

Front half 83.24s · back half 95.11s

200 Individual Medley LCM 2:42.69

35.99
39.76
50.36
36.58

Front half 75.75s · back half 86.94s

400 Individual Medley LCM 5:44.07

36.85
44.97
41.99
41.84
50.36
51.42
37.98
38.66

Front half 165.65s · back half 178.42s

Reaction time

fastest 0.54s average 0.852s slowest 1.91s 5 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 27.90 8 swims
100 Freestyle SCY 1:01.26 8 swims
200 Freestyle SCY 2:16.54 7 swims
500 Freestyle SCY 5:44.41 5 swims
1000 Freestyle SCY 12:12.62 1 swim
50 Backstroke SCY 30.86 16 swims
100 Backstroke SCY 1:05.20 17 swims
200 Backstroke SCY 2:21.72 13 swims
50 Breaststroke SCY 36.19 7 swims
100 Breaststroke SCY 1:18.19 7 swims
200 Breaststroke SCY 2:47.32 4 swims
50 Butterfly SCY 31.44 9 swims
100 Butterfly SCY 1:10.70 8 swims
200 Butterfly SCY 2:33.92 6 swims
100 Individual Medley SCY 1:08.40 12 swims
200 Individual Medley SCY 2:27.77 10 swims
400 Individual Medley SCY 5:10.43 6 swims
50 Freestyle LCM 31.19 5 swims
100 Freestyle LCM 1:06.77 4 swims
200 Freestyle LCM 2:22.27 3 swims
400 Freestyle LCM 5:07.90 3 swims
800 Freestyle LCM 10:20.96 2 swims
1500 Freestyle LCM 19:45.53 3 swims
50 Backstroke LCM 34.35 7 swims
100 Backstroke LCM 1:12.89 10 swims
200 Backstroke LCM 2:33.85 4 swims
50 Breaststroke LCM 43.20 1 swim
100 Breaststroke LCM 1:34.92 5 swims
200 Breaststroke LCM 3:21.94 2 swims
50 Butterfly LCM 35.29 4 swims
100 Butterfly LCM 1:21.90 4 swims
200 Butterfly LCM 2:58.35 1 swim
200 Individual Medley LCM 2:42.69 9 swims
400 Individual Medley LCM 5:44.07 5 swims