Geoffrey Yu

Mage 11IEORPNBC

124 plausible swims · 28 meets · 2023-06-03 → 2026-06-21

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 34.83 B+2.24s to BB 2026-01-31 2026 PN BISC Bluefin Invitational venue
100 Freestyle SCY 1:23.62 +7.53s to B 2025-10-12 2025 PN MMSC Fall Invite venue
200 Freestyle SCY 2:57.67 +11.08s to B 2025-11-08 2025 THSC November Open venue
500 Freestyle SCY 8:12.35 +46.16s to B 2026-01-18 2026 PN BC Jan. Mid Distance Invite- Approved venue
50 Backstroke SCY 41.20 +0.01s to B 2026-02-01 2026 PN BISC Bluefin Invitational venue
100 Backstroke SCY 1:30.59 +0.80s to B 2026-03-08 2026 BBST Seize the Day Invitational venue
200 Backstroke SCY 3:12.76 +5.17s to B 2026-02-01 2026 PN BISC Bluefin Invitational venue
50 Breaststroke SCY 45.86 B+2.67s to BB 2026-06-20 2026 PN SRST Summer Invitational - Approved venue
100 Breaststroke SCY 1:44.54 +4.25s to B 2025-10-18 2025 PN VAST Fall Classic venue
200 Breaststroke SCY 3:42.14 +7.95s to B 2026-01-31 2026 PN BISC Bluefin Invitational venue
50 Butterfly SCY 44.15 +4.06s to B 2025-12-06 2025 PN Fall Divisionals, Division 1 - OCA venue
100 Butterfly SCY 1:40.15 +9.66s to B 2026-01-31 2026 PN BISC Bluefin Invitational venue
200 Butterfly SCY 3:49.06 +37.27s to B 2026-02-01 2026 PN BISC Bluefin Invitational venue
100 Individual Medley SCY 1:29.76 +1.67s to B 2026-03-08 2026 BBST Seize the Day Invitational venue
200 Individual Medley SCY 3:19.53 +6.84s to B 2025-12-06 2025 PN Fall Divisionals, Division 1 - OCA venue
400 Freestyle SCM 7:02.91 +32.42s to B 2025-10-19 2025 PN BC Pumpkin 400 venue
50 Freestyle LCM 42.98 +3.09s to B 2026-05-02 2026 PN BC May Flowers - Approved venue
100 Freestyle LCM 1:37.14 +9.35s to B 2025-05-31 2025 IE VS Apple Capital slow pool
200 Freestyle LCM 3:38.61 +28.82s to B 2026-05-29 2026 IE VS Apple Capital slow pool
400 Freestyle LCM 7:40.10 +58.31s to B 2025-05-02 2025 PN BC May Flowers venue
50 Backstroke LCM 51.15 +3.56s to B 2025-05-04 2025 PN BC May Flowers venue
100 Backstroke LCM 1:47.08 +2.39s to B 2026-05-02 2026 PN BC May Flowers - Approved venue
200 Backstroke LCM 3:57.70 +20.71s to B 2026-05-29 2026 IE VS Apple Capital slow pool
50 Breaststroke LCM 57.26 +3.87s to B 2026-05-02 2026 PN BC May Flowers - Approved venue
100 Breaststroke LCM 2:07.54 +10.35s to B 2026-05-31 2026 IE VS Apple Capital slow pool
200 Breaststroke LCM 4:24.94 +17.25s to B 2026-05-31 2026 IE VS Apple Capital slow pool
50 Butterfly LCM 56.31 +11.02s to B 2026-05-30 2026 IE VS Apple Capital slow pool
100 Butterfly LCM 2:24.09 +40.60s to B 2025-06-01 2025 IE VS Apple Capital slow pool
200 Individual Medley LCM 4:03.50 +22.81s to B 2026-05-29 2026 IE VS Apple Capital slow pool

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

1311 points (5/5 events)

EventTime Points
500 FR SCY 8:12.35 261
100 BK SCY 1:30.59 283
100 BR SCY 1:44.54 272
100 FL SCY 1:40.15 205
200 IM SCY 3:19.53 290

IMR 11-12 · SCY

1463 points (5/5 events)

EventTime Points
200 FR SCY 2:57.67 285
50 BK SCY 41.20 320
50 BR SCY 45.86 323
50 FL SCY 44.15 220
100 IM SCY 1:29.76 315

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

PR splits

100 Freestyle SCY 1:23.62

39.86
43.76

Front half 39.86s · back half 43.76s

200 Freestyle SCY 2:57.67

40.28
45.05
43.18
49.16

Front half 85.33s · back half 92.34s

500 Freestyle SCY 8:12.35

41.07
49.89
50.89
50.87
51.38
51.48
51.54
50.83
47.87
46.53

Front half 244.10s · back half 248.25s

100 Backstroke SCY 1:30.59

45.19
45.40

Front half 45.19s · back half 45.40s

200 Backstroke SCY 3:12.76

45.23
49.29
49.81
48.43

Front half 94.52s · back half 98.24s

100 Breaststroke SCY 1:44.54

48.50
56.04

Front half 48.50s · back half 56.04s

200 Breaststroke SCY 3:42.14

50.02
57.14
57.59
57.39

Front half 107.16s · back half 114.98s

100 Butterfly SCY 1:40.15

44.63
55.52

Front half 44.63s · back half 55.52s

200 Butterfly SCY 3:49.06

47.88
58.96
60.04
62.18

Front half 106.84s · back half 122.22s

100 Individual Medley SCY 1:29.76

42.52
47.24

Front half 42.52s · back half 47.24s

200 Individual Medley SCY 3:19.53 RT 0.59s

46.20
48.82
57.56
46.95

Front half 95.02s · back half 104.51s

400 Freestyle SCM 7:02.91

47.35
52.87
55.17
55.53
53.08
55.38
53.59
49.94

Front half 210.92s · back half 211.99s

100 Freestyle LCM 1:37.14

46.56
50.58

Front half 46.56s · back half 50.58s

200 Freestyle LCM 3:38.61

49.36
56.41
59.69
53.15

Front half 105.77s · back half 112.84s

400 Freestyle LCM 7:40.10 RT 0.63s

110.87
118.26
119.88
111.09

Front half 229.13s · back half 230.97s

200 Backstroke LCM 3:57.70 RT 0.89s

56.41
61.19
61.79
58.31

Front half 117.60s · back half 120.10s

100 Breaststroke LCM 2:07.54

59.64
67.90

Front half 59.64s · back half 67.90s

200 Breaststroke LCM 4:24.94 RT 1.89s

62.65
69.11
68.92
64.26

Front half 131.76s · back half 133.18s

100 Butterfly LCM 2:24.09

65.91
78.18

Front half 65.91s · back half 78.18s

200 Individual Medley LCM 4:03.50

118.61
69.50
55.39

Reaction time

fastest 0.59s average 0.796s slowest 1.89s 12 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 34.83 11 swims
100 Freestyle SCY 1:23.62 6 swims
200 Freestyle SCY 2:57.67 6 swims
500 Freestyle SCY 8:12.35 1 swim
50 Backstroke SCY 41.20 10 swims
100 Backstroke SCY 1:30.59 4 swims
200 Backstroke SCY 3:12.76 1 swim
50 Breaststroke SCY 45.86 12 swims
100 Breaststroke SCY 1:44.54 3 swims
200 Breaststroke SCY 3:42.14 2 swims
50 Butterfly SCY 44.15 7 swims
100 Butterfly SCY 1:40.15 5 swims
200 Butterfly SCY 3:49.06 1 swim
100 Individual Medley SCY 1:29.76 9 swims
200 Individual Medley SCY 3:19.53 2 swims
400 Freestyle SCM 7:02.91 2 swims
50 Freestyle LCM 42.98 6 swims
100 Freestyle LCM 1:37.14 5 swims
200 Freestyle LCM 3:38.61 1 swim
400 Freestyle LCM 7:40.10 2 swims
50 Backstroke LCM 51.15 4 swims
100 Backstroke LCM 1:47.08 6 swims
200 Backstroke LCM 3:57.70 1 swim
50 Breaststroke LCM 57.26 6 swims
100 Breaststroke LCM 2:07.54 4 swims
200 Breaststroke LCM 4:24.94 1 swim
50 Butterfly LCM 56.31 4 swims
100 Butterfly LCM 2:24.09 1 swim
200 Individual Medley LCM 4:03.50 1 swim