Ji-in Chang

Fage 11IEPNIST

160 plausible swims · 31 meets · 2025-01-01 → 2026-06-14

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 29.17 AA+1.08s to AAA 2026-03-28 2026 PN Spring Showdown, Div.1 Approved
100 Freestyle SCY 1:02.75 AA+1.66s to AAA 2026-01-01 Sanction #: 2603-SP04
200 Freestyle SCY 3:11.32 +22.23s to B 2025-10-18 2025 PN IST Fall Open
50 Backstroke SCY 46.52 +5.93s to B 2026-02-07 2026 PN IST Feb Winter Invitational-Approved venue
100 Backstroke SCY 1:44.84 +14.15s to B 2025-03-01 2025 PN C March Madness
50 Breaststroke SCY 39.36 BB+0.37s to A 2025-02-22 2025 PN IST Feb Invitational
100 Breaststroke SCY 1:07.38 AAAA 2026-02-16 2026 PN IST January Invitational- Approved
50 Butterfly SCY 44.15 +5.26s to B 2026-03-28 2026 PN Spring Showdown, Div.1 Approved venue
100 Butterfly SCY 1:17.80 BB+1.51s to A 2025-02-22 2025 PN IST Feb Invitational
100 Individual Medley SCY 1:10.36 AA+0.67s to AAA 2025-01-01 1662191
200 Individual Medley SCY 3:38.09 +25.30s to B 2025-11-16 2025 PN IST November Invitational venue
50 Freestyle LCM 41.08 +0.69s to B 2026-05-16 2026 PN IST Sockeye Springtime Madness App. venue
100 Freestyle LCM 1:23.53 B+0.74s to BB 2025-07-18 2025 PN Chinook Age Group Seattle Open
200 Freestyle LCM 2:41.45 A+2.96s to AA 2025-06-14 2025 IST June Invtational
400 Freestyle LCM 6:15.11 BB+24.82s to A 2025-07-18 2025 PN Chinook Age Group Seattle Open
50 Backstroke LCM 55.20 +8.41s to B 2025-05-04 2025 PN BC May Flowers venue
100 Backstroke LCM 1:58.32 +12.53s to B 2026-05-16 2026 PN IST Sockeye Springtime Madness App. venue
200 Backstroke LCM 4:13.98 +33.49s to B 2026-06-13 2026 PN IST June Invtational- Approved venue
50 Breaststroke LCM 59.38 +7.09s to B 2026-05-30 2026 IE VS Apple Capital slow pool
100 Breaststroke LCM 2:09.01 +13.12s to B 2026-06-13 2026 PN IST June Invtational- Approved venue
50 Butterfly LCM 35.27 AA+0.98s to AAA 2025-07-18 2025 PN Chinook Age Group Seattle Open
200 Individual Medley LCM 4:06.67 +26.08s to B 2026-05-16 2026 PN IST Sockeye Springtime Madness App. venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.

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.

IMX / IMR

IMX 11-12 · SCY

2065 points (4/5 events — incomplete)

EventTime Points
100 BK SCY 1:44.84 213
100 BR SCY 1:07.38 1100
100 FL SCY 1:17.80 500
200 IM SCY 3:38.09 252
500 FR SCY 0

IMR 11-12 · LCM

2089 points (5/5 events)

EventTime Points
200 FR LCM 2:41.45 649
50 BK LCM 55.20 225
50 BR LCM 59.38 249
50 FL LCM 35.27 704
200 IM LCM 4:06.67 262

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

PR splits

200 Freestyle SCY 3:11.32 split/total mismatch

42.85
49.77
51.19
47.51

100 Breaststroke SCY 1:07.38 split/total mismatch

54.64
112.44
32.41

200 Individual Medley SCY 3:38.09

51.35
119.81
46.93

200 Backstroke LCM 4:13.98 RT 0.68s

128.65
125.33

Front half 128.65s · back half 125.33s

200 Individual Medley LCM 4:06.67 RT 0.68s· 6.7 min after 100 Backstroke

124.57
122.10

Front half 124.57s · back half 122.10s

Reaction time

fastest 0.56s average 0.768s slowest 1.22s 11 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 29.17 15 swims
100 Freestyle SCY 1:02.75 22 swims
200 Freestyle SCY 3:11.32 3 swims
50 Backstroke SCY 46.52 13 swims
100 Backstroke SCY 1:44.84 10 swims
50 Breaststroke SCY 39.36 13 swims
100 Breaststroke SCY 1:07.38 8 swims
50 Butterfly SCY 44.15 10 swims
100 Butterfly SCY 1:17.80 1 swim
100 Individual Medley SCY 1:10.36 17 swims
200 Individual Medley SCY 3:38.09 1 swim
50 Freestyle LCM 41.08 9 swims
100 Freestyle LCM 1:23.53 7 swims
200 Freestyle LCM 2:41.45 2 swims
400 Freestyle LCM 6:15.11 1 swim
50 Backstroke LCM 55.20 6 swims
100 Backstroke LCM 1:58.32 3 swims
200 Backstroke LCM 4:13.98 1 swim
50 Breaststroke LCM 59.38 6 swims
100 Breaststroke LCM 2:09.01 4 swims
50 Butterfly LCM 35.27 6 swims
200 Individual Medley LCM 4:06.67 2 swims