Alex O'Sullivan

Fage 16EZMTNEBGSCCS

138 plausible swims · 29 meets · 2024-02-22 → 2026-06-14

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 24.78 AAA+0.79s to AAAA 2026-03-29 2026 Four Corner Speedo Sectionals - Carmel - fast pool
100 Freestyle SCY 52.97 AAA+0.98s to AAAA 2026-03-26 2026 Four Corner Speedo Sectionals - Carmel - fast pool
200 Freestyle SCY 1:59.91 AA+2.52s to AAA 2026-03-27 2026 Four Corner Speedo Sectionals - Carmel - fast pool
500 Freestyle SCY 5:49.63 BB+4.54s to A 2024-11-16 2024 NE SAC Turkey Splash venue
50 Backstroke SCY 32.75 BB+2.46s to A 2025-10-05 2025 NE CS Fall Sprints - copied venue
100 Backstroke SCY 1:10.41 B+0.82s to BB 2025-10-04 2025 NE CS Fall Sprints - copied venue
200 Backstroke SCY 2:39.17 B+8.28s to BB 2026-01-11 2026 NE CRIM Jan Team Specialty venue
50 Breaststroke SCY 31.46 AAA+0.47s to AAAA 2025-12-20 2026 NE NSSC Senior Championships venue
100 Breaststroke SCY 1:07.50 AAA+2.51s to AAAA 2025-12-19 2026 NE NSSC Senior Championships venue
200 Breaststroke SCY 2:31.45 AA+4.16s to AAA 2026-03-01 2026 NE CRIM 15-18 AG Championships venue
50 Butterfly SCY 28.60 AA+1.01s to AAA 2025-10-05 2025 NE CS Fall Sprints - copied venue
100 Butterfly SCY 1:06.35 BB+2.26s to A 2024-11-17 2024 NE SAC Turkey Splash venue
100 Individual Medley SCY 1:07.76 2025-10-04 2025 NE CS Fall Sprints - copied venue
200 Individual Medley SCY 2:23.57 BB+0.18s to A 2025-10-25 2025 NE SHAWMUT Pumpkin Splash - copied venue
400 Individual Medley SCY 5:08.09 BB+1.10s to A 2024-11-15 2024 NE SAC Turkey Splash venue
50 Freestyle LCM 29.22 AA+0.63s to AAA 2025-01-01 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CS venue
100 Freestyle LCM 1:04.46 AA+2.77s to AAA 2025-01-01 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CS venue
200 Freestyle LCM 2:25.99 BB+0.70s to A 2025-06-01 2025 NE CS May 30-June 1 Summer Fiesta venue
400 Freestyle LCM 5:29.33 BB+21.64s to A 2024-05-31 2024 NE BGSC May Summer Fiesta venue
800 Freestyle LCM 10:47.72 BB+12.43s to A 2026-06-12 2026 NE CS Summer Solstice venue
50 Backstroke LCM 38.87 B+0.48s to BB 2026-06-14 2026 NE CS Summer Solstice venue
100 Backstroke LCM 1:24.03 B+2.84s to BB 2026-04-11 2026 NE CS Season Opener venue
200 Backstroke LCM 3:07.61 B+13.12s to BB 2024-05-12 2024 NE BGSC May 10-12 Spring Fling venue
50 Breaststroke LCM 37.52 AA+0.73s to AAA 2025-01-01 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CS venue
100 Breaststroke LCM 1:24.87 A+3.38s to AA 2025-01-01 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CS venue
200 Breaststroke LCM 3:07.65 BB+5.26s to A 2026-05-16 2026 NE CS Spring Fever venue
50 Butterfly LCM 32.82 A+0.63s to AA 2026-06-13 2026 NE CS Summer Solstice venue
100 Butterfly LCM 1:21.47 B+3.08s to BB 2025-05-10 2025 NE CS May 9-11 Spring Fling venue
200 Butterfly LCM 3:24.91 +16.72s to B 2024-05-12 2024 NE BGSC May 10-12 Spring Fling venue
200 Individual Medley LCM 2:49.54 BB+5.15s to A 2026-05-17 2026 NE CS Spring Fever venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

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.

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 25.18 flying 200 Free Relay (leg 2) 2024-02-24 2024 NE CRA 11-14 SCY Age Group Championship

Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.

IMX / IMR

IMX 15-16 · SCY

3161 points (5/6 events — incomplete)

EventTime Points
500 FR SCY 5:49.63 636
200 BK SCY 2:39.17 446
200 BR SCY 2:31.45 781
200 IM SCY 2:23.57 653
400 IM SCY 5:08.09 645
200 FL SCY 0

IMR 15-16 · SCY

3434 points (5/5 events)

EventTime Points
200 FR SCY 1:59.91 810
100 BK SCY 1:10.41 505
100 BR SCY 1:07.50 872
100 FL SCY 1:06.35 594
200 IM SCY 2:23.57 653

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

PR splits

100 Freestyle SCY 52.97

25.43
27.54

Front half 25.43s · back half 27.54s

200 Freestyle SCY 1:59.91

27.55
29.98
31.39
30.99

Front half 57.53s · back half 62.38s

500 Freestyle SCY 5:49.63

31.33
34.99
36.18
36.62
36.33
35.80
35.18
34.91
34.51
33.78

Front half 175.45s · back half 174.18s

100 Backstroke SCY 1:10.41

33.70
36.71

Front half 33.70s · back half 36.71s

200 Backstroke SCY 2:39.17

37.91
40.31
41.50
39.45

Front half 78.22s · back half 80.95s

100 Breaststroke SCY 1:07.50

32.57
34.93

Front half 32.57s · back half 34.93s

200 Breaststroke SCY 2:31.45

35.58
38.47
39.04
38.36

Front half 74.05s · back half 77.40s

100 Butterfly SCY 1:06.35

30.82
35.53

Front half 30.82s · back half 35.53s

100 Individual Medley SCY 1:07.76

31.99
35.77

Front half 31.99s · back half 35.77s

200 Individual Medley SCY 2:23.57

30.75
39.34
40.35
33.13

Front half 70.09s · back half 73.48s

400 Individual Medley SCY 5:08.09

32.65
39.49
40.86
40.60
44.30
43.19
33.88
33.12

Front half 153.60s · back half 154.49s

100 Freestyle LCM 1:04.46 split/total mismatch

30.37
3.72

Front half 30.37s · back half 34.09s

200 Freestyle LCM 2:25.99

31.85
36.48
38.48
39.18

Front half 68.33s · back half 77.66s

400 Freestyle LCM 5:29.33

34.10
39.96
42.26
42.85
42.97
42.79
43.38
41.02

Front half 159.17s · back half 170.16s

800 Freestyle LCM 10:47.72

75.81
81.27
80.59
81.19
83.46
82.83
83.15
79.42

Front half 318.86s · back half 328.86s

100 Backstroke LCM 1:24.03

40.56
43.47

Front half 40.56s · back half 43.47s

200 Backstroke LCM 3:07.61

44.65
48.56
47.33
47.07

Front half 93.21s · back half 94.40s

100 Breaststroke LCM 1:24.87 split/total mismatch

40.37
4.13

Front half 40.37s · back half 44.50s

200 Breaststroke LCM 3:07.65

44.30
48.17
48.09
47.09

Front half 92.47s · back half 95.18s

100 Butterfly LCM 1:21.47

36.75
44.72

Front half 36.75s · back half 44.72s

200 Butterfly LCM 3:24.91

42.72
50.08
56.21
55.90

Front half 92.80s · back half 112.11s

200 Individual Medley LCM 2:49.54

35.47
48.40
47.91
37.76

Front half 83.87s · back half 85.67s

Progression

Faster times are higher. One card per event, all courses & history.

50 Freestyle SCY 24.78 11 swims
100 Freestyle SCY 52.97 19 swims
200 Freestyle SCY 1:59.91 4 swims
500 Freestyle SCY 5:49.63 1 swim
50 Backstroke SCY 32.75 2 swims
100 Backstroke SCY 1:10.41 3 swims
200 Backstroke SCY 2:39.17 2 swims
50 Breaststroke SCY 31.46 5 swims
100 Breaststroke SCY 1:07.50 15 swims
200 Breaststroke SCY 2:31.45 6 swims
50 Butterfly SCY 28.60 1 swim
100 Butterfly SCY 1:06.35 3 swims
100 Individual Medley SCY 1:07.76 1 swim
200 Individual Medley SCY 2:23.57 2 swims
400 Individual Medley SCY 5:08.09 1 swim
50 Freestyle LCM 29.22 8 swims
100 Freestyle LCM 1:04.46 10 swims
200 Freestyle LCM 2:25.99 5 swims
400 Freestyle LCM 5:29.33 1 swim
800 Freestyle LCM 10:47.72 1 swim
50 Backstroke LCM 38.87 2 swims
100 Backstroke LCM 1:24.03 4 swims
200 Backstroke LCM 3:07.61 1 swim
50 Breaststroke LCM 37.52 5 swims
100 Breaststroke LCM 1:24.87 8 swims
200 Breaststroke LCM 3:07.65 6 swims
50 Butterfly LCM 32.82 2 swims
100 Butterfly LCM 1:21.47 4 swims
200 Butterfly LCM 3:24.91 1 swim
200 Individual Medley LCM 2:49.54 4 swims