swimstats

Jeffrey Chang

Mage 17CAPCSIEVONOVAUN-07

118 plausible swims · 21 meets · 2024-01-01 → 2026-07-12

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 21.57 AAA+0.48s to AAAA·Sectionals ✓+0.28s to Futures 2026-02-28 2026 SI CA/NV Speedo Sectionals Oceansidevenue
100 Freestyle SCY 46.10 AAA+0.01s to AAAA·Futures ✓+1.21s to Winter JNs 2026-03-01 2026 SI CA/NV Speedo Sectionals Oceansidevenue
200 Freestyle SCY 1:39.34 AAAA·Futures ✓+0.95s to Winter JNs 2026-02-27 2026 SI CA/NV Speedo Sectionals Oceansidevenue
500 Freestyle SCY 4:41.04 AAA+5.55s to AAAA·Sectionals ✓+3.95s to Futures 2025-02-28 2025 RBAC March Madness Spring Championshipvenue
1000 Freestyle SCY 10:04.77 AA+0.28s to AAA·Sectionals ✓+30.48s to Futures 2026-01-18 CMAC - OC Senior Swim Series Meet 6venue
100 Backstroke SCY 55.67 A+0.78s to AA·+0.18s to Sectionals 2025-09-21 OC Senior Series Meet # 1venue
200 Backstroke SCY 1:59.74 AA+4.95s to AAA·Sectionals ✓+6.95s to Futures 2025-09-20 OC Senior Series Meet # 1venue
200 Breaststroke SCY 2:13.74 AA+4.65s to AAA·Sectionals ✓+5.75s to Futures 2024-12-15 2024 CA RAA/SCS WAGvenue
100 Butterfly SCY 52.95 AA+0.96s to AAA·Sectionals ✓+2.36s to Futures 2026-01-31 2026 AZOT H/F BB MIN Leaderboard Invitationalvenue
200 Butterfly SCY 2:03.67 A+1.48s to AA·+0.28s to Sectionals 2026-01-17 CMAC - OC Senior Swim Series Meet 6venue
200 Individual Medley SCY 1:55.44 AAA+3.25s to AAAA·Sectionals ✓+1.55s to Futures 2026-01-30 2026 AZOT H/F BB MIN Leaderboard Invitationalvenue
50 Freestyle LCM 24.61 AAA+0.22s to AAAA·Sectionals ✓+0.02s to Futures 2026-05-22 2026 CA 30th NOVA-Speedo Grand Challengevenue
100 Freestyle LCM 53.15 AAA+0.16s to AAAA·Futures ✓+0.56s to Winter JNs 2026-05-24 2026 CA 30th NOVA-Speedo Grand Challengevenue
200 Freestyle LCM 1:58.29 AAA+1.70s to AAAA·Sectionals ✓+0.50s to Futures 2026-07-10 2026 LAI AT USCvenue
400 Freestyle LCM 4:17.31 AAA+8.62s to AAAA·Sectionals ✓+7.32s to Futures 2026-05-23 2026 CA 30th NOVA-Speedo Grand Challengevenue
100 Backstroke LCM 1:03.19 AA+1.30s to AAA·Sectionals ✓+2.60s to Futures 2026-06-21 2026 CA MVN Fran Crippen SMOCvenue
200 Backstroke LCM 2:20.80 AA+6.01s to AAA·Sectionals ✓+8.91s to Futures 2024-07-25 2024 CA SCS/GWSC Summer A/G Champsvenue
50 Butterfly LCM 27.13 AAA+0.74s to AAAA·+0.84s to Futures 2026-06-20 2026 CA MVN Fran Crippen SMOCvenue
100 Butterfly LCM 1:03.91 A+1.52s to AA·+0.82s to Sectionals 2024-07-27 2024 CA SCS/GWSC Summer A/G Champsvenue
200 Individual Medley LCM 2:17.14 AA+0.95s to AAA·Sectionals ✓+4.35s to Futures 2025-04-13 2025 CA MVN Fran Crippen SMOCvenue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.

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 22.85 flat 200 Free Relay 2025-09-21 OC Senior Series Meet # 1
50 Freestyle SCY 21.21 flying 200 Medley Relay (leg 4) 2025-10-12 2025 OC Race Series #2 SCY Closed Invite
50 Freestyle SCY 21.25 flying 200 Free Relay (leg 2) 2026-02-26 2026 SI CA/NV Speedo Sectionals Oceanside
100 Freestyle SCY 48.32 flat 400 Free Relay 2025-10-12 2025 OC Race Series #2 SCY Closed Invite
100 Freestyle SCY 46.34 flying 400 Free Relay (leg 4) 2025-11-09 2025 Legends of Coaching Series_Peter Daland
100 Freestyle SCY 45.72 flying 400 Medley Relay (leg 4) 2026-02-27 2026 SI CA/NV Speedo Sectionals Oceanside
200 Freestyle SCY 1:40.46 flat 800 Free Relay 2026-02-26 2026 SI CA/NV Speedo Sectionals Oceanside
100 Backstroke SCY 55.43 flat 400 Medley Relay 2025-09-21 OC Senior Series Meet # 1
50 Freestyle LCM 24.55 flying 200 Medley Relay (leg 4) 2025-06-15 2025 June Age Group Invite
50 Freestyle LCM 24.97 flying 200 Free Relay (leg 4) 2025-06-12 2025 June Age Group Invite
100 Freestyle LCM 56.47 flying 400 Medley Relay (leg 4) 2024-07-27 2024 CA SCS/GWSC Summer A/G Champs
200 Freestyle LCM 6:03.22 flying 800 Free Relay (leg 3) 2024-07-26 2024 CA SCS/GWSC Summer A/G 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.

IMX / IMR

IMX 17-18 · SCY

3972 points (5/6 events — incomplete)

EventTime Points
500 FR SCY 4:41.04 910
200 BK SCY 1:59.74 731
200 BR SCY 2:13.74 753
200 FL SCY 2:03.67 699
200 IM SCY 1:55.44 879
400 IM SCY— 0

IMR 17-18 · SCY

3377 points (4/5 events — incomplete)

EventTime Points
200 FR SCY 1:39.34 1025
100 BK SCY 55.67 677
100 FL SCY 52.95 796
200 IM SCY 1:55.44 879
100 BR SCY— 0

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

PR splits

100 Freestyle SCY 46.10

22.25
23.85

Front half 22.25s · back half 23.85s

200 Freestyle SCY 1:39.34

23.21
25.24
25.32
25.57

Front half 48.45s · back half 50.89s

500 Freestyle SCY 4:41.04

25.23
27.48
27.86
28.45
28.57
28.39
28.65
29.03
29.09
28.29

Front half 137.59s · back half 143.45s

1000 Freestyle SCY 10:04.77

27.32
29.90
30.30
30.74
30.57
31.05
30.79
30.69
30.63
30.04
29.55
30.41
30.34
30.76
30.71
30.40
30.54
30.58
30.63
28.82

Front half 302.03s · back half 302.74s

100 Backstroke SCY 55.67

27.37
28.30

Front half 27.37s · back half 28.30s

200 Backstroke SCY 1:59.74

28.69
30.92
30.07
30.06

Front half 59.61s · back half 60.13s

200 Breaststroke SCY 2:13.74

29.63
33.47
34.63
36.01

Front half 63.10s · back half 70.64s

100 Butterfly SCY 52.95

24.99
27.96

Front half 24.99s · back half 27.96s

200 Butterfly SCY 2:03.67

27.43
31.97
31.94
32.33

Front half 59.40s · back half 64.27s

200 Individual Medley SCY 1:55.44

25.10
29.82
34.63
25.89

Front half 54.92s · back half 60.52s

100 Freestyle LCM 53.15

25.47
27.68

Front half 25.47s · back half 27.68s

200 Freestyle LCM 1:58.29

27.80
30.40
30.24
29.85

Front half 58.20s · back half 60.09s

400 Freestyle LCM 4:17.31

29.83
32.70
32.69
32.96
32.66
32.86
32.42
31.19

Front half 128.18s · back half 129.13s

100 Backstroke LCM 1:03.19

30.79
32.40

Front half 30.79s · back half 32.40s

200 Backstroke LCM 2:20.80

32.52
36.10
36.61
35.57

Front half 68.62s · back half 72.18s

100 Butterfly LCM 1:03.91

29.72
34.19

Front half 29.72s · back half 34.19s

200 Individual Medley LCM 2:17.14

29.19
36.70
41.17
30.08

Front half 65.89s · back half 71.25s

Reaction time

fastest 0.55s average 0.647s slowest 0.68s 6 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 21.57 9 swims
100 Freestyle SCY 46.10 9 swims
200 Freestyle SCY 1:39.34 15 swims
500 Freestyle SCY 4:41.04 10 swims
1000 Freestyle SCY 10:04.77 1 swim
100 Backstroke SCY 55.67 4 swims
200 Backstroke SCY 1:59.74 3 swims
200 Breaststroke SCY 2:13.74 4 swims
100 Butterfly SCY 52.95 4 swims
200 Butterfly SCY 2:03.67 1 swim
200 Individual Medley SCY 1:55.44 8 swims
50 Freestyle LCM 24.61 7 swims
100 Freestyle LCM 53.15 12 swims
200 Freestyle LCM 1:58.29 12 swims
400 Freestyle LCM 4:17.31 5 swims
100 Backstroke LCM 1:03.19 5 swims
200 Backstroke LCM 2:20.80 1 swim
50 Butterfly LCM 27.13 1 swim
100 Butterfly LCM 1:03.91 1 swim
200 Individual Medley LCM 2:17.14 6 swims