Jeffrey Zhou

Mage 13MAMDVAMAC

75 plausible swims · 17 meets · 2022-09-25 → 2026-06-30

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 40.56 +9.47s to B 2024-09-29 RAC First Splash 2024 venue
100 Freestyle SCY 1:31.60 +24.01s to B 2024-09-29 RAC First Splash 2024 venue
200 Freestyle SCY 4:09.19 +101.40s to B 2022-11-06 2022 Bridget Vache Memorial MAC Fall Frenzy slow pool
500 Freestyle SCY 8:20.20 +101.51s to B 2024-11-11 WSY Thanksgiving Invite
50 Backstroke SCY 47.72 +12.33s to B 2024-09-28 RAC First Splash 2024 venue
100 Backstroke SCY 1:50.87 +36.48s to B 2024-02-17 2024 MAC Robert J. Hogan Memorial Mini Meet
50 Breaststroke SCY 1:06.50 +26.01s to B 2024-01-15 WSY Mid Winter ClassicCumberland Valley High School
100 Breaststroke SCY 2:08.97 +44.68s to B 2024-01-15 WSY Mid Winter ClassicCumberland Valley High School
50 Butterfly SCY 54.04 +19.35s to B 2024-09-29 RAC First Splash 2024 venue
100 Individual Medley SCY 1:47.59 2024-11-11 WSY Thanksgiving Invite
50 Freestyle LCM 39.90 +4.21s to B 2026-06-08 Chargers Mid Season Long Course Invitational
100 Freestyle LCM 1:28.35 +10.16s to B 2026-06-08 Chargers Mid Season Long Course Invitational
200 Freestyle LCM 3:12.57 +22.58s to B 2026-06-08 Chargers Mid Season Long Course Invitational
50 Backstroke LCM 48.89 +7.70s to B 2026-06-08 Chargers Mid Season Long Course Invitational
100 Backstroke LCM 1:42.61 +15.22s to B 2026-06-08 Chargers Mid Season Long Course Invitational
200 Backstroke LCM 3:44.17 +34.38s to B 2026-06-30 Chargers Mid Season Long Course Invitational
50 Breaststroke LCM 1:11.55 +25.66s to B 2024-06-16 2024 Winchester Long Course Inviational venue
100 Breaststroke LCM 2:10.93 +33.74s to B 2026-06-30 Chargers Mid Season Long Course Invitational
50 Butterfly LCM 1:02.36 +23.37s to B 2025-05-11 2025 NAAC MOTHER'S DAY MEET venue
200 Individual Medley LCM 4:20.33 +69.94s to B 2025-05-11 2025 NAAC MOTHER'S DAY MEET venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.

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 13-14 · LCM

370 points (2/6 events — incomplete)

EventTime Points
200 BK LCM 3:44.17 224
200 IM LCM 4:20.33 146
400 FR LCM 0
200 BR LCM 0
200 FL LCM 0
400 IM LCM 0

IMR 13-14 · LCM

789 points (4/5 events — incomplete)

EventTime Points
200 FR LCM 3:12.57 260
100 BK LCM 1:42.61 229
100 BR LCM 2:10.93 154
200 IM LCM 4:20.33 146
100 FL LCM 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 1:31.60

42.11
49.49

Front half 42.11s · back half 49.49s

200 Freestyle SCY 4:09.19

56.49
63.43
65.79
63.48

Front half 119.92s · back half 129.27s

500 Freestyle SCY 8:20.20 split/total mismatch

41.46
47.12
51.04
51.17
55.33
54.10
54.07
49.93
49.90
46.08

100 Individual Medley SCY 1:47.59 split/total mismatch

49.61
8.37

Front half 49.61s · back half 57.98s

100 Freestyle LCM 1:28.35 · 320.0 min after 100 Backstrokesplit/total mismatch

40.87
6.61

Front half 40.87s · back half 47.48s

200 Freestyle LCM 3:12.57 split/total mismatch

40.93
48.40
51.62
51.62

100 Backstroke LCM 1:42.61 split/total mismatch

49.10
4.41

Front half 49.10s · back half 53.51s

200 Backstroke LCM 3:44.17 split/total mismatch

52.64
57.89
59.03
54.61
142.79

100 Breaststroke LCM 2:10.93 split/total mismatch

61.50
7.93

Front half 61.50s · back half 69.43s

200 Individual Medley LCM 4:20.33

61.84
63.99
78.09
56.41

Front half 125.83s · back half 134.50s

Reaction time

fastest 0.86s average 0.860s slowest 0.86s 1 electronic start

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 40.56 6 swims
100 Freestyle SCY 1:31.60 3 swims
200 Freestyle SCY 4:09.19 1 swim
500 Freestyle SCY 8:20.20 1 swim
50 Backstroke SCY 47.72 4 swims
100 Backstroke SCY 1:50.87 4 swims
50 Breaststroke SCY 1:06.50 1 swim
100 Breaststroke SCY 2:08.97 1 swim
50 Butterfly SCY 54.04 3 swims
100 Individual Medley SCY 1:47.59 1 swim
50 Freestyle LCM 39.90 9 swims
100 Freestyle LCM 1:28.35 8 swims
200 Freestyle LCM 3:12.57 7 swims
50 Backstroke LCM 48.89 7 swims
100 Backstroke LCM 1:42.61 9 swims
200 Backstroke LCM 3:44.17 2 swims
50 Breaststroke LCM 1:11.55 2 swims
100 Breaststroke LCM 2:10.93 3 swims
50 Butterfly LCM 1:02.36 2 swims
200 Individual Medley LCM 4:20.33 1 swim