Jack O'Brien

Mage 12GASEDYNA

48 plausible swims · 9 meets · 2024-10-19 → 2026-10-18

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 27.98 A+0.99s to AA·+5.69s to Sectionals 2026-10-18 2026 HSA Fran Norris Meetvenue
100 Freestyle SCY 2:56.59 +105.10s to B·+128.30s to Sectionals 2025-01-01 DYNA- Eastern Classic
200 Freestyle SCY 2:15.10 BB+1.41s to A·+29.31s to Sectionals 2026-10-18 2026 HSA Fran Norris Meetvenue
500 Freestyle SCY 6:07.53 BB+7.54s to A·+81.44s to Sectionals 2026-10-17 2026 HSA Fran Norris Meetvenue
50 Backstroke SCY 38.29 B+2.70s to BB·+12.60s to Sectionals 2025-02-15 2025 Peach State Championship
100 Backstroke SCY 1:09.55 BB+0.26s to A·+14.46s to Sectionals 2026-10-18 2026 HSA Fran Norris Meetvenue
50 Breaststroke SCY 35.24 A+0.25s to AA·+5.75s to Sectionals 2026-10-17 2026 HSA Fran Norris Meetvenue
100 Breaststroke SCY 1:34.42 +1.83s to B·+31.73s to Sectionals 2025-12-13 2025 Classic City Invitational Meetvenue
50 Butterfly SCY 32.09 BB+0.90s to A·+7.80s to Sectionals 2026-10-18 2026 HSA Fran Norris Meetvenue
100 Individual Medley SCY 1:10.21 BB+0.22s to A 2026-10-17 2026 HSA Fran Norris Meetvenue
200 Individual Medley SCY 2:29.75 A+4.16s to AA·+30.36s to Sectionals 2026-10-16 2026 HSA Fran Norris Meetvenue
50 Freestyle LCM 33.10 BB+1.01s to A·+7.51s to Sectionals 2026-01-01 Huntsville Swim Association
100 Freestyle LCM 1:10.35 A+2.86s to AA·+15.06s to Sectionals 2026-06-28 2026 HSA June Invitationalvenue
200 Freestyle LCM 3:02.27 +3.08s to B·+61.38s to Sectionals 2025-06-05 2025 DYNA Summer Invitational
50 Backstroke LCM 37.60 A+1.51s to AA·+7.41s to Sectionals 2026-06-26 2026 HSA June Invitationalvenue
100 Backstroke LCM 1:29.42 BB+7.53s to A·+24.93s to Sectionals 2025-06-27 Gold Summer Invite 2025
50 Breaststroke LCM 42.16 BB+0.17s to A·+7.97s to Sectionals 2026-01-01 Huntsville Swim Association
100 Breaststroke LCM 1:32.34 BB+1.05s to A·+19.95s to Sectionals 2026-06-26 2026 HSA June Invitationalvenue
50 Butterfly LCM 36.89 BB+1.60s to A·+9.10s to Sectionals 2026-06-28 2026 HSA June Invitationalvenue
100 Butterfly LCM 1:43.47 +8.38s to B·+42.98s to Sectionals 2025-06-05 2025 DYNA Summer Invitational
200 Individual Medley LCM 2:53.15 A+6.66s to AA·+35.46s to Sectionals 2026-06-28 2026 HSA June Invitationalvenue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.

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.

IMX / IMR

IMX 11-12 · SCY

2310 points (4/5 events — incomplete)

EventTime Points
500 FR SCY 6:07.53 629
100 BK SCY 1:09.55 625
100 BR SCY 1:34.42 370
200 IM SCY 2:29.75 686
100 FL SCY— 0

IMR 11-12 · SCY

2994 points (5/5 events)

EventTime Points
200 FR SCY 2:15.10 649
50 BK SCY 38.29 399
50 BR SCY 35.24 713
50 FL SCY 32.09 575
100 IM SCY 1:10.21 658

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

PR splits

200 Freestyle SCY 2:15.10

31.59
35.18
35.12
33.21

Front half 66.77s · back half 68.33s

500 Freestyle SCY 6:07.53

36.33
40.57
40.22
37.89
36.29
36.25
35.86
35.90
35.18
33.04

Front half 191.30s · back half 176.23s

100 Backstroke SCY 1:09.55

33.92
35.63

Front half 33.92s · back half 35.63s

100 Breaststroke SCY 1:34.42

44.05
50.37

Front half 44.05s · back half 50.37s

100 Individual Medley SCY 1:10.21

33.07
37.14

Front half 33.07s · back half 37.14s

200 Individual Medley SCY 2:29.75

33.12
37.87
44.16
34.60

Front half 70.99s · back half 78.76s

200 Freestyle LCM 3:02.27 split/total mismatch

37.04
47.18
51.00
47.05

100 Breaststroke LCM 1:32.34

44.78
47.56

Front half 44.78s · back half 47.56s

100 Butterfly LCM 1:43.47 split/total mismatch

45.88
11.71

Front half 45.88s · back half 57.59s

200 Individual Medley LCM 2:53.15

37.87
43.26
53.60
38.42

Front half 81.13s · back half 92.02s

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 27.98 4 swims
100 Freestyle SCY 2:56.59 1 swim
200 Freestyle SCY 2:15.10 2 swims
500 Freestyle SCY 6:07.53 1 swim
50 Backstroke SCY 38.29 2 swims
100 Backstroke SCY 1:09.55 4 swims
50 Breaststroke SCY 35.24 2 swims
100 Breaststroke SCY 1:34.42 3 swims
50 Butterfly SCY 32.09 2 swims
100 Individual Medley SCY 1:10.21 2 swims
200 Individual Medley SCY 2:29.75 1 swim
50 Freestyle LCM 33.10 3 swims
100 Freestyle LCM 1:10.35 2 swims
200 Freestyle LCM 3:02.27 1 swim
50 Backstroke LCM 37.60 2 swims
100 Backstroke LCM 1:29.42 2 swims
50 Breaststroke LCM 42.16 5 swims
100 Breaststroke LCM 1:32.34 4 swims
50 Butterfly LCM 36.89 1 swim
100 Butterfly LCM 1:43.47 1 swim
200 Individual Medley LCM 2:53.15 3 swims