Brennan Duffy

Mage 11VARAYS

276 plausible swims · 39 meets · 2021-10-16 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
25 Freestyle	SCY	14.35		2023-01-22	2023 HNVR Duck Bowl venue
50 Freestyle	SCY	26.54	AAA+0.25s to AAAA	2026-03-14	2026 Virginia Swimming SC Age Group Champions venue
100 Freestyle	SCY	58.58	AAA+1.49s to AAAA	2026-03-15	2026 Virginia Swimming SC Age Group Champions venue
200 Freestyle	SCY	2:06.52	AAA+1.53s to AAAA	2026-02-15	2026 Northern District 12&Under Championship venue
500 Freestyle	SCY	5:42.30	AAA+7.61s to AAAA	2026-03-12	2026 Virginia Swimming SC Age Group Champions venue
25 Backstroke	SCY	18.58		2023-02-19	2023 North District 12 & Under Championship venue
50 Backstroke	SCY	30.54	AAA+0.35s to AAAA	2026-01-18	2026 Duck Bowl venue
100 Backstroke	SCY	1:07.22	AAA+2.23s to AAAA	2026-01-17	2026 Duck Bowl venue
200 Backstroke	SCY	2:25.55	AAA+4.86s to AAAA	2026-03-13	2026 Virginia Swimming SC Age Group Champions venue
25 Breaststroke	SCY	22.03		2023-02-19	2023 North District 12 & Under Championship venue
50 Breaststroke	SCY	37.42	AA+1.63s to AAA	2026-01-11	2026 RAYS Jeff Rouse Invitational venue
100 Breaststroke	SCY	1:21.69	A+0.50s to AA	2026-02-15	2026 Northern District 12&Under Championship venue
200 Breaststroke	SCY	2:56.01	A+0.02s to AA	2026-02-14	2026 Northern District 12&Under Championship venue
25 Butterfly	SCY	17.07		2023-02-18	2023 North District 12 & Under Championship venue
50 Butterfly	SCY	28.76	AAAA	2025-12-07	2025 RAYS Nutcracker Classic - copied venue
100 Butterfly	SCY	1:04.89	AAA+0.40s to AAAA	2026-03-13	2026 Virginia Swimming SC Age Group Champions venue
200 Butterfly	SCY	2:32.82	AA+2.13s to AAA	2026-02-14	2026 Northern District 12&Under Championship venue
100 Individual Medley	SCY	1:07.78	AAA+2.09s to AAAA	2026-03-15	2026 Virginia Swimming SC Age Group Champions venue
200 Individual Medley	SCY	2:28.50	AAA+6.51s to AAAA	2026-01-11	2026 RAYS Jeff Rouse Invitational venue
400 Individual Medley	SCY	5:12.59	AAA+11.40s to AAAA	2026-02-13	2026 Northern District 12&Under Championship venue
50 Freestyle	LCM	29.80	AAAA	2026-06-07	HNVR Storm Surge 2026 venue
100 Freestyle	LCM	1:06.81	AAA+0.92s to AAAA	2026-06-14	2026 SwimRVA Summer Invitational fast pool
200 Freestyle	LCM	2:24.61	AAA+2.22s to AAAA	2026-06-06	HNVR Storm Surge 2026 venue
400 Freestyle	LCM	5:07.34	AAA+6.05s to AAAA	2026-06-14	2026 SwimRVA Summer Invitational fast pool
1500 Freestyle	LCM	20:51.70	AAA+18.41s to AAAA	2026-05-01	2026 Helen Wang Sunflower Classic venue
50 Backstroke	LCM	34.56	AAAA	2026-06-07	HNVR Storm Surge 2026 venue
100 Backstroke	LCM	1:17.00	AAA+1.11s to AAAA	2026-06-13	2026 SwimRVA Summer Invitational fast pool
200 Backstroke	LCM	2:49.76	AAA+7.07s to AAAA	2026-06-06	HNVR Storm Surge 2026 venue
50 Breaststroke	LCM	44.50	A+1.61s to AA	2026-05-03	2026 Helen Wang Sunflower Classic venue
100 Breaststroke	LCM	1:52.83	B+4.64s to BB	2024-07-13	2024 RAYS Summer Awards venue
50 Butterfly	LCM	31.10	AAAA	2026-06-05	HNVR Storm Surge 2026 venue
100 Butterfly	LCM	1:18.12	AA+0.13s to AAA	2026-06-14	2026 SwimRVA Summer Invitational fast pool
200 Butterfly	LCM	3:09.73	BB+0.04s to A	2026-06-12	2026 SwimRVA Summer Invitational fast pool
200 Individual Medley	LCM	2:49.11	AAA+6.52s to AAAA	2026-06-07	HNVR Storm Surge 2026 venue
400 Individual Medley	LCM	6:12.47	AA+5.88s to AAA	2026-06-13	2026 SwimRVA Summer Invitational 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 Freestyle	SCY	26.54	flying	200 Free Relay (leg 3)	2026-03-14	2026 Virginia Swimming SC Age Group Champions
50 Freestyle	SCY	33.01	flying	200 Medley Relay (leg 4)	2023-03-11	2023 Virginia Swimming SC Age Group Champions
100 Freestyle	SCY	39.81	flying	400 Free Relay (leg 3)	2023-03-12	2023 Virginia Swimming SC Age Group Champions
50 Backstroke	SCY	34.52	flat	200 Medley Relay	2024-03-09	2024 Virginia Swimming SC Age Group Champions
100 Backstroke	SCY	1:18.43	flat	400 Medley Relay	2024-03-08	2024 Virginia Swimming SC Age Group Champions
50 Freestyle	LCM	30.08	flat	200 Free Relay	2026-06-14	2026 SwimRVA Summer Invitational
50 Freestyle	LCM	24.45	flying	200 Free Relay (leg 4)	2023-06-18	SwimRVA Summer Invitational
100 Freestyle	LCM	1:17.92	flying	400 Free Relay (leg 4)	2024-07-28	2024 VA LC Age Group Championships
50 Backstroke	LCM	38.88	flat	200 Medley Relay	2024-06-15	SwimRVA Summer Invitational
100 Backstroke	LCM	1:28.32	flat	400 Medley Relay	2024-07-26	2024 VA LC Age Group Championships
50 Breaststroke	LCM	41.60	flying	200 Medley Relay (leg 2)	2026-06-13	2026 SwimRVA Summer Invitational

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

3501 points (5/5 events)

Event	Time	Points
500 FR SCY	5:42.30	779
100 BK SCY	1:07.22	693
100 BR SCY	1:21.69	571
100 FL SCY	1:04.89	755
200 IM SCY	2:28.50	703

IMR 11-12 · LCM

3802 points (5/5 events)

Event	Time	Points
200 FR LCM	2:24.61	802
50 BK LCM	34.56	838
50 BR LCM	44.50	533
50 FL LCM	31.10	923
200 IM LCM	2:49.11	706

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

PR splits

100 Freestyle SCY 58.58

28.34

30.24

Front half 28.34s · back half 30.24s

200 Freestyle SCY 2:06.52

29.07

32.46

33.22

31.77

Front half 61.53s · back half 64.99s

500 Freestyle SCY 5:42.30

29.87

33.56

34.36

34.25

35.58

35.33

35.57

35.45

35.00

33.33

Front half 167.62s · back half 174.68s

100 Backstroke SCY 1:07.22

32.87

34.35

Front half 32.87s · back half 34.35s

200 Backstroke SCY 2:25.55

33.23

37.24

38.57

36.51

Front half 70.47s · back half 75.08s

100 Breaststroke SCY 1:21.69

38.31

43.38

Front half 38.31s · back half 43.38s

200 Breaststroke SCY 2:56.01

37.57

45.54

47.92

44.98

Front half 83.11s · back half 92.90s

100 Butterfly SCY 1:04.89

30.07

34.82

Front half 30.07s · back half 34.82s

200 Butterfly SCY 2:32.82

31.93

40.27

40.51

40.11

Front half 72.20s · back half 80.62s

100 Individual Medley SCY 1:07.78

30.38

37.40

Front half 30.38s · back half 37.40s

200 Individual Medley SCY 2:28.50

30.99

37.90

46.15

33.46

Front half 68.89s · back half 79.61s

400 Individual Medley SCY 5:12.59

32.37

39.13

39.85

37.61

46.71

48.51

34.86

33.55

Front half 148.96s · back half 163.63s

100 Freestyle LCM 1:06.81

32.19

34.62

Front half 32.19s · back half 34.62s

200 Freestyle LCM 2:24.61

33.71

36.26

39.53

35.11

Front half 69.97s · back half 74.64s

400 Freestyle LCM 5:07.34

34.21

38.13

38.68

39.40

39.17

40.28

39.24

38.23

Front half 150.42s · back half 156.92s

1500 Freestyle LCM 20:51.70

35.54

39.28

38.27

46.33

38.90

47.44

43.95

41.51

42.57

41.03

41.77

40.09

42.20

40.04

42.19

40.65

42.21

41.26

43.02

42.13

43.24

41.31

44.41

42.41

45.11

41.47

42.51

40.36

41.65

38.85

Front half 621.11s · back half 630.59s

100 Backstroke LCM 1:17.00

37.98

39.02

Front half 37.98s · back half 39.02s

200 Backstroke LCM 2:49.76

40.51

44.07

43.74

41.44

Front half 84.58s · back half 85.18s

100 Breaststroke LCM 1:52.83

53.52

59.31

Front half 53.52s · back half 59.31s

100 Butterfly LCM 1:18.12

35.42

42.70

Front half 35.42s · back half 42.70s

200 Butterfly LCM 3:09.73

37.79

46.36

51.17

54.41

Front half 84.15s · back half 105.58s

200 Individual Medley LCM 2:49.11

35.11

43.20

55.24

35.56

Front half 78.31s · back half 90.80s

400 Individual Medley LCM 6:12.47

38.53

47.36

48.81

45.38

56.22

58.56

40.00

37.61

Front half 180.08s · back half 192.39s

Reaction time

fastest 1.03s average 1.030s slowest 1.03s 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.

25 Freestyle SCY 14.35 8 swims

50 Freestyle SCY 26.54 22 swims

100 Freestyle SCY 58.58 16 swims

200 Freestyle SCY 2:06.52 11 swims

500 Freestyle SCY 5:42.30 6 swims

25 Backstroke SCY 18.58 5 swims

50 Backstroke SCY 30.54 19 swims

100 Backstroke SCY 1:07.22 10 swims

200 Backstroke SCY 2:25.55 4 swims

25 Breaststroke SCY 22.03 5 swims

50 Breaststroke SCY 37.42 7 swims

100 Breaststroke SCY 1:21.69 6 swims

200 Breaststroke SCY 2:56.01 2 swims

25 Butterfly SCY 17.07 5 swims

50 Butterfly SCY 28.76 12 swims

100 Butterfly SCY 1:04.89 11 swims

200 Butterfly SCY 2:32.82 4 swims

100 Individual Medley SCY 1:07.78 12 swims

200 Individual Medley SCY 2:28.50 6 swims

400 Individual Medley SCY 5:12.59 1 swim

50 Freestyle LCM 29.80 12 swims

100 Freestyle LCM 1:06.81 13 swims

200 Freestyle LCM 2:24.61 10 swims

400 Freestyle LCM 5:07.34 3 swims

1500 Freestyle LCM 20:51.70 1 swim

50 Backstroke LCM 34.56 12 swims

100 Backstroke LCM 1:17.00 13 swims

200 Backstroke LCM 2:49.76 3 swims

50 Breaststroke LCM 44.50 8 swims

100 Breaststroke LCM 1:52.83 5 swims

50 Butterfly LCM 31.10 9 swims

100 Butterfly LCM 1:18.12 6 swims

200 Butterfly LCM 3:09.73 1 swim

200 Individual Medley LCM 2:49.11 7 swims

400 Individual Medley LCM 6:12.47 1 swim