swimstats

Yilin Dai

Fage 9GASEDYNA

38 plausible swims · 9 meets · 2024-10-19 → 2026-06-28

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 37.58 2025-01-31 10th Annual Famous Last Words
100 Freestyle SCY 1:15.69 2025-10-18 24th Annual Chattahoochee Gold Invitational venue
25 Backstroke SCY 20.15 2024-10-19 23rd Annual Chattahoochee Gold Invitational venue
50 Backstroke SCY 35.91 2026-03-06 Speedo Southern Premier
100 Backstroke SCY 1:19.72 2026-03-06 Speedo Southern Premier
50 Breaststroke SCY 43.18 2026-03-06 Speedo Southern Premier
100 Breaststroke SCY 1:35.29 2026-03-06 Speedo Southern Premier
50 Butterfly SCY 35.22 2026-03-08 Speedo Southern Premier fast pool
100 Butterfly SCY 1:24.46 2026-03-07 Speedo Southern Premier fast pool
100 Individual Medley SCY 1:21.08 2026-03-06 Speedo Southern Premier
50 Freestyle LCM 37.83 2026-01-01 Huntsville Swim Association venue
100 Freestyle LCM 1:25.63 2026-06-28 2026 HSA June Invitational venue
400 Freestyle LCM 6:30.92 2026-06-27 2026 HSA June Invitational venue
100 Backstroke LCM 1:28.97 2026-06-28 2026 HSA June Invitational venue
50 Butterfly LCM 39.58 2026-06-28 2026 HSA June Invitational venue
100 Butterfly LCM 1:33.39 2026-06-27 2026 HSA June Invitational venue
200 Individual Medley LCM 3:38.07 2025-01-01 Gold

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 10 & under · LCM

1918 points (3/5 events — incomplete)

EventTime Points
100 BK LCM 1:28.97 757
100 FL LCM 1:33.39 642
200 IM LCM 3:38.07 519
200 FR LCM— 0
100 BR LCM— 0

IMR 10 & under · SCY

3286 points (5/5 events)

EventTime Points
100 FR SCY 1:15.69 544
50 BK SCY 35.91 747
50 BR SCY 43.18 623
50 FL SCY 35.22 701
100 IM SCY 1:21.08 671

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

PR splits

100 Freestyle SCY 1:15.69

36.56
39.13

Front half 36.56s · back half 39.13s

100 Breaststroke SCY 1:35.29

45.79
49.50

Front half 45.79s · back half 49.50s

100 Butterfly SCY 1:24.46

40.60
43.86

Front half 40.60s · back half 43.86s

100 Individual Medley SCY 1:21.08

37.75
43.33

Front half 37.75s · back half 43.33s

400 Freestyle LCM 6:30.92

91.77
100.91
101.74
96.50

Front half 192.68s · back half 198.24s

Reaction time

fastest 0.77s average 0.795s slowest 0.82s 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 37.58 3 swims
100 Freestyle SCY 1:15.69 3 swims
25 Backstroke SCY 20.15 1 swim
50 Backstroke SCY 35.91 5 swims
100 Backstroke SCY 1:19.72 2 swims
50 Breaststroke SCY 43.18 5 swims
100 Breaststroke SCY 1:35.29 3 swims
50 Butterfly SCY 35.22 2 swims
100 Butterfly SCY 1:24.46 1 swim
100 Individual Medley SCY 1:21.08 3 swims
50 Freestyle LCM 37.83 3 swims
100 Freestyle LCM 1:25.63 1 swim
400 Freestyle LCM 6:30.92 1 swim
100 Backstroke LCM 1:28.97 1 swim
50 Butterfly LCM 39.58 1 swim
100 Butterfly LCM 1:33.39 2 swims
200 Individual Medley LCM 3:38.07 1 swim