Stefan Oconnor

Mage 11ILMIWIFOXIL

43 plausible swims · 8 meets · 2024-07-13 → 2026-03-15

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	28.74	AA+1.15s to AAA	2026-03-14	2026 ISI Winter 11-14 Age Group Championships venue
100 Freestyle	SCY	1:14.37	B+3.78s to BB	2024-07-14	2024 IL DLTA Summer Regional Championships slow pool
500 Freestyle	SCY	6:14.65	A+8.06s to AA	2026-02-28	2026 Winter ISI Regionals- TIDE - copied fast pool
50 Backstroke	SCY	31.07	AAA+0.88s to AAAA	2026-03-15	2026 ISI Winter 11-14 Age Group Championships venue
100 Backstroke	SCY	1:06.82	AAA+1.83s to AAAA	2026-03-14	2026 ISI Winter 11-14 Age Group Championships venue
200 Backstroke	SCY	2:24.08	AAA+3.39s to AAAA	2026-03-13	2026 ISI Winter 11-14 Age Group Championships venue
50 Breaststroke	SCY	39.64	BB+0.15s to A	2026-03-01	2026 Winter ISI Regionals- TIDE - copied fast pool
100 Breaststroke	SCY	1:25.44	BB+0.45s to A	2026-02-28	2026 Winter ISI Regionals- TIDE - copied fast pool
50 Butterfly	SCY	30.77	AA+0.28s to AAA	2026-03-15	2026 ISI Winter 11-14 Age Group Championships venue
100 Butterfly	SCY	1:10.51	AA+2.32s to AAA	2026-03-13	2026 ISI Winter 11-14 Age Group Championships venue
100 Individual Medley	SCY	1:10.45	AA+1.56s to AAA	2026-03-13	2026 ISI Winter 11-14 Age Group Championships venue
200 Individual Medley	SCY	2:33.22	AA+3.93s to AAA	2026-02-28	2026 Winter ISI Regionals- TIDE - copied fast pool
400 Individual Medley	SCY	6:47.51	+6.02s to B	2025-01-01	1572906
50 Freestyle	LCM	32.38	AA+0.99s to AAA	2025-08-03	2025 ISI LC 10 and Under Age Group Championsh fast pool
100 Freestyle	LCM	1:14.04	A+1.95s to AA	2026-01-01	LFSC SwimFest, Presented by The Lake Forest Swim Club, 4-5/Ju, S#: WI2024-504S
50 Backstroke	LCM	35.68	AAA+0.79s to AAAA	2025-08-03	2025 ISI LC 10 and Under Age Group Championsh fast pool
100 Backstroke	LCM	1:16.85	AAA+0.96s to AAAA	2025-08-02	2025 ISI LC 10 and Under Age Group Championsh fast pool
200 Backstroke	LCM	2:53.98	AA+3.49s to AAA	2026-01-01	LFSC SwimFest, Presented by The Lake Forest Swim Club, 4-5/Ju, S#: WI2024-504S
50 Breaststroke	LCM	45.70	BB+0.71s to A	2026-01-01	LFSC SwimFest, Presented by The Lake Forest Swim Club, 4-5/Ju, S#: WI2024-504S
100 Breaststroke	LCM	1:42.26	BB+2.97s to A	2026-01-01	LFSC SwimFest, Presented by The Lake Forest Swim Club, 4-5/Ju, S#: WI2024-504S
50 Butterfly	LCM	34.43	AA+0.04s to AAA	2025-08-02	2025 ISI LC 10 and Under Age Group Championsh fast pool
100 Butterfly	LCM	1:18.40	AA+0.41s to AAA	2025-08-03	2025 ISI LC 10 and Under Age Group Championsh fast pool
200 Individual Medley	LCM	2:51.73	AA+0.84s to AAA	2025-08-07	2025 Central Zone 14 & Under Championship Mee fast 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.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Backstroke	SCY	31.31	flat	200 Medley Relay	2026-03-13	2026 ISI Winter 11-14 Age Group Championships
50 Butterfly	SCY	29.67	flying	200 Medley Relay (leg 3)	2024-03-09	2024 IL Swimming SC Age Group Championships

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 11-12 · SCY

3026 points (5/5 events)

Event	Time	Points
500 FR SCY	6:14.65	594
100 BK SCY	1:06.82	705
100 BR SCY	1:25.44	499
100 FL SCY	1:10.51	588
200 IM SCY	2:33.22	640

IMR 11-12 · LCM

2608 points (4/5 events — incomplete)

Event	Time	Points
50 BK LCM	35.68	762
50 BR LCM	45.70	492
50 FL LCM	34.43	680
200 IM LCM	2:51.73	674
200 FR 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 1:14.37

34.60

39.77

Front half 34.60s · back half 39.77s

500 Freestyle SCY 6:14.65

33.98

38.39

37.90

37.85

38.07

37.97

38.05

38.32

37.93

36.19

Front half 186.19s · back half 188.46s

100 Backstroke SCY 1:06.82

32.72

34.10

Front half 32.72s · back half 34.10s

200 Backstroke SCY 2:24.08

34.20

36.83

37.44

35.61

Front half 71.03s · back half 73.05s

100 Breaststroke SCY 1:25.44

41.47

43.97

Front half 41.47s · back half 43.97s

100 Butterfly SCY 1:10.51

33.66

36.85

Front half 33.66s · back half 36.85s

100 Individual Medley SCY 1:10.45

32.64

37.81

Front half 32.64s · back half 37.81s

200 Individual Medley SCY 2:33.22

34.22

37.26

47.00

34.74

Front half 71.48s · back half 81.74s

400 Individual Medley SCY 6:47.51 split/total mismatch

34.64

39.97

81.98

100 Backstroke LCM 1:16.85

37.63

39.22

Front half 37.63s · back half 39.22s

100 Butterfly LCM 1:18.40

36.65

41.75

Front half 36.65s · back half 41.75s

200 Individual Medley LCM 2:51.73

36.33

41.69

54.70

39.01

Front half 78.02s · back half 93.71s

Progression

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

50 Freestyle SCY 28.74 2 swims

100 Freestyle SCY 1:14.37 1 swim

500 Freestyle SCY 6:14.65 1 swim

50 Backstroke SCY 31.07 2 swims

100 Backstroke SCY 1:06.82 2 swims

200 Backstroke SCY 2:24.08 1 swim

50 Breaststroke SCY 39.64 1 swim

100 Breaststroke SCY 1:25.44 1 swim

50 Butterfly SCY 30.77 2 swims

100 Butterfly SCY 1:10.51 2 swims

100 Individual Medley SCY 1:10.45 1 swim

200 Individual Medley SCY 2:33.22 1 swim

400 Individual Medley SCY 6:47.51 1 swim

50 Freestyle LCM 32.38 3 swims

100 Freestyle LCM 1:14.04 1 swim

50 Backstroke LCM 35.68 4 swims

100 Backstroke LCM 1:16.85 4 swims

200 Backstroke LCM 2:53.98 1 swim

50 Breaststroke LCM 45.70 1 swim

100 Breaststroke LCM 1:42.26 1 swim

50 Butterfly LCM 34.43 4 swims

100 Butterfly LCM 1:18.40 4 swims

200 Individual Medley LCM 2:51.73 2 swims