Benjamin Dulong

Mage 15COUTSLCSLSLUNATUNSLCUSLC

303 plausible swims · 61 meets · 2018-11-16 → 2026-01-01

Personal records

Event	Course	Best	Cut	Date	Meet
25 Freestyle	SCY	11.58		2021-10-30	2021 UT Dive Into The Unknown slow pool
50 Freestyle	SCY	24.28	A+0.59s to AA	2022-02-25	2022 UT SC Senior Champs fast pool
100 Freestyle	SCY	52.39	A+0.40s to AA		2022 5A State OBS venue
200 Freestyle	SCY	1:59.70	BB+1.11s to A	2023-01-20	Fish Bowl Classic 2023 venue
500 Freestyle	SCY	5:33.36	BB+10.77s to A	2022-12-17	The Reindeer Games venue
1000 Freestyle	SCY	11:42.75	BB+30.96s to A	2021-12-17	2021 UT CHAT Friday Night Lights venue
1650 Freestyle	SCY	19:13.78	BB+32.89s to A	2021-12-17	2021 UT CHAT Friday Night Lights venue
100 Backstroke	SCY	58.29	A+1.20s to AA	2023-02-24	2023 UT SC Sr. Champs fast pool
200 Backstroke	SCY	2:09.27	A+4.58s to AA	2022-02-26	2022 UT SC Senior Champs fast pool
100 Breaststroke	SCY	1:17.10	B+4.11s to BB	2022-12-17	The Reindeer Games venue
200 Breaststroke	SCY	2:41.31	B+2.12s to BB	2022-02-12	2022 UT Tsunami Open venue
50 Butterfly	SCY	26.65	A+0.06s to AA	2021-10-02	2021 UT SLC Timeless Classic slow pool
100 Butterfly	SCY	54.62	AA+0.63s to AAA	2023-02-24	2023 UT SC Sr. Champs fast pool
200 Butterfly	SCY	2:02.40	AA+1.41s to AAA	2023-03-31	2023 Western Zone SCY Senior Zones venue
100 Individual Medley	SCY	1:01.98		2023-01-20	Fish Bowl Classic 2023 venue
200 Individual Medley	SCY	2:10.45	A+3.76s to AA	2022-02-26	2022 UT SC Senior Champs fast pool
400 Individual Medley	SCY	4:58.77	BB+14.58s to A	2022-12-16	The Reindeer Games venue
50 Freestyle	SCM	28.12	BB+0.83s to A	2020-09-11	2020 UT Masked Legends Meet venue
100 Backstroke	SCM	1:15.79	B+4.50s to BB	2020-10-02	2020 UT Masked Legends Meet II venue
200 Backstroke	SCM	2:44.14	B+8.35s to BB	2020-09-11	2020 UT Masked Legends Meet venue
100 Breaststroke	SCM	1:34.52	+7.73s to B	2020-10-02	2020 UT Masked Legends Meet II venue
100 Butterfly	SCM	1:07.94	BB+2.85s to A	2020-10-02	2020 UT Masked Legends Meet II venue
200 Individual Medley	SCM	2:44.92	B+6.73s to BB	2020-09-11	2020 UT Masked Legends Meet venue
50 Freestyle	LCM	27.56	A+0.17s to AA	2022-07-01	2022 CO Grand Junction Invitational venue
100 Freestyle	LCM	1:01.00	A+1.31s to AA	2022-05-07	2022 UVRays LC Oviatt Inv venue
200 Freestyle	LCM	2:14.21	A+2.72s to AA	2022-07-01	2022 CO Grand Junction Invitational venue
400 Freestyle	LCM	4:52.71	BB+0.62s to A	2022-06-30	2022 CO Grand Junction Invitational venue
800 Freestyle	LCM	10:44.42	BB+40.53s to A		2022 UVRays LC Oviatt Inv venue
1500 Freestyle	LCM	20:21.54	BB+56.75s to A	2022-05-05	2022 UVRays LC Oviatt Inv venue
100 Backstroke	LCM	1:07.77	A+1.08s to AA	2023-07-21	2023 UT LC Senior State Championship venue
200 Backstroke	LCM	2:30.14	A+5.35s to AA	2021-06-19	2021 UT CHAT INVITATIONAL venue
100 Breaststroke	LCM	1:27.82	B+2.93s to BB	2022-06-11	2022 UT SDAT Summer Spectacular slow pool
200 Breaststroke	LCM	3:15.66	B+9.97s to BB	2022-05-07	2022 UVRays LC Oviatt Inv venue
50 Butterfly	LCM	28.88	AA+0.19s to AAA	2023-06-30	WFFM Red, White and Black 2023 venue
100 Butterfly	LCM	1:02.16	AA+0.47s to AAA	2023-07-21	2023 UT LC Senior State Championship venue
200 Butterfly	LCM	2:27.75	A+3.46s to AA	2022-06-30	2022 CO Grand Junction Invitational venue
200 Individual Medley	LCM	2:35.17	BB+1.98s to A	2022-05-07	2022 UVRays LC Oviatt Inv venue
400 Individual Medley	LCM	5:44.77	BB+15.48s to A	2022-06-11	2022 UT SDAT Summer Spectacular slow pool

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

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	23.26	flat	200 Free Relay	2023-03-30	2023 Western Zone SCY Senior Zones
50 Freestyle	SCY	23.18	flying	200 Free Relay (leg 4)	2022-03-31	2022 Western Zone SCY Senior Zones
50 Freestyle	SCY	25.49	flying	200 Medley Relay (leg 4)	2019-12-21	2019 UT SDAT Grand Challenge
100 Freestyle	SCY	59.15	flat	400 Free Relay	2019-03-09	2019 UT SC AG Championships
100 Freestyle	SCY	52.80	flying	400 Free Relay (leg 3)	2022-02-25	2022 UT SC Senior Champs
100 Freestyle	SCY	50.60	flying	400 Medley Relay (leg 4)	2022-02-24	2022 UT SC Senior Champs
50 Backstroke	SCY	29.29	flat	200 Medley Relay	2020-03-06	2020 UT SC AG Championships
50 Butterfly	SCY	24.30	flying	200 Medley Relay (leg 3)	2023-02-24	2023 UT SC Sr. Champs
100 Butterfly	SCY	54.94	flying	400 Medley Relay (leg 3)	2023-02-23	2023 UT SC Sr. Champs
50 Freestyle	LCM	27.16	flying	200 Free Relay (leg 4)	2021-07-21	2021 UT LC Champs
100 Freestyle	LCM	1:01.11	flying	400 Free Relay (leg 4)	2022-07-02	2022 CO Grand Junction Invitational
50 Backstroke	LCM	33.11	flat	200 Medley Relay	2019-07-18	2019 UT LC Champs
100 Backstroke	LCM	1:08.73	flat	400 Medley Relay	2021-07-19	2021 UT LC Champs
50 Butterfly	LCM	28.65	flying	200 Medley Relay (leg 3)	2021-07-20	2021 UT LC Champs

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

3625 points (6/6 events)

Event	Time	Points
500 FR SCY	5:33.36	569
200 BK SCY	2:09.27	627
200 BR SCY	2:41.31	468
200 FL SCY	2:02.40	780
200 IM SCY	2:10.45	653
400 IM SCY	4:58.77	528

IMR 15-16 · LCM

3202 points (5/5 events)

Event	Time	Points
200 FR LCM	2:14.21	670
100 BK LCM	1:07.77	676
100 BR LCM	1:27.82	445
100 FL LCM	1:02.16	795
200 IM LCM	2:35.17	616

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

PR splits

200 Freestyle SCY 1:59.70

26.57

30.03

31.19

31.91

Front half 56.60s · back half 63.10s

500 Freestyle SCY 5:33.36

29.21

32.71

33.49

34.23

34.64

34.18

33.42

34.03

33.97

33.48

Front half 164.28s · back half 169.08s

1650 Freestyle SCY 19:13.78

30.58

33.83

34.48

34.69

34.99

35.20

34.96

34.68

35.18

36.32

36.35

35.27

35.57

35.93

35.12

36.77

35.28

36.46

35.40

35.69

35.22

35.69

35.35

35.73

34.29

34.25

34.51

34.70

34.34

35.10

34.93

34.14

32.78

100 Backstroke SCY 58.29

27.59

30.70

Front half 27.59s · back half 30.70s

200 Backstroke SCY 2:09.27

30.19

32.24

33.64

33.20

Front half 62.43s · back half 66.84s

100 Breaststroke SCY 1:17.10

36.93

40.17

Front half 36.93s · back half 40.17s

200 Breaststroke SCY 2:41.31

37.34

40.04

41.91

42.02

Front half 77.38s · back half 83.93s

100 Butterfly SCY 54.62

25.45

29.17

Front half 25.45s · back half 29.17s

200 Butterfly SCY 2:02.40

27.61

30.71

31.59

32.49

Front half 58.32s · back half 64.08s

100 Individual Medley SCY 1:01.98

27.19

34.79

Front half 27.19s · back half 34.79s

200 Individual Medley SCY 2:10.45

26.93

32.17

41.15

30.20

Front half 59.10s · back half 71.35s

400 Individual Medley SCY 4:58.77

30.03

35.47

37.37

38.22

45.11

45.41

33.60

33.56

Front half 141.09s · back half 157.68s

100 Freestyle LCM 1:01.00

29.47

31.53

Front half 29.47s · back half 31.53s

200 Freestyle LCM 2:14.21

30.46

33.16

35.72

34.87

Front half 63.62s · back half 70.59s

400 Freestyle LCM 4:52.71

31.52

35.91

36.84

37.63

38.25

38.44

37.58

36.54

Front half 141.90s · back half 150.81s

1500 Freestyle LCM 20:21.54

32.65

37.78

38.82

40.62

39.20

42.03

41.20

41.82

40.63

42.13

39.99

42.79

36.69

45.78

35.20

47.09

42.16

41.72

38.22

45.40

37.67

45.71

38.37

43.87

40.22

41.05

40.71

40.23

41.27

40.52

Front half 597.33s · back half 624.21s

100 Backstroke LCM 1:07.77

32.81

34.96

Front half 32.81s · back half 34.96s

200 Backstroke LCM 2:30.14

36.16

36.96

39.23

37.79

Front half 73.12s · back half 77.02s

100 Breaststroke LCM 1:27.82

42.13

45.69

Front half 42.13s · back half 45.69s

200 Breaststroke LCM 3:15.66

45.44

50.94

50.12

49.16

Front half 96.38s · back half 99.28s

100 Butterfly LCM 1:02.16

29.84

32.32

Front half 29.84s · back half 32.32s

200 Butterfly LCM 2:27.75

31.96

35.53

39.83

40.43

Front half 67.49s · back half 80.26s

200 Individual Medley LCM 2:35.17

31.61

39.13

49.71

34.72

Front half 70.74s · back half 84.43s

400 Individual Medley LCM 5:44.77

33.51

39.70

43.81

44.47

53.04

52.53

39.40

38.31

Front half 161.49s · back half 183.28s

Reaction time

fastest 0.69s average 0.690s slowest 0.69s 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 11.58 1 swim

50 Freestyle SCY 24.28 16 swims

100 Freestyle SCY 52.39 11 swims

200 Freestyle SCY 1:59.70 14 swims

500 Freestyle SCY 5:33.36 7 swims

1000 Freestyle SCY 11:42.75 1 swim

1650 Freestyle SCY 19:13.78 1 swim

100 Backstroke SCY 58.29 15 swims

200 Backstroke SCY 2:09.27 11 swims

100 Breaststroke SCY 1:17.10 10 swims

200 Breaststroke SCY 2:41.31 10 swims

50 Butterfly SCY 26.65 2 swims

100 Butterfly SCY 54.62 22 swims

200 Butterfly SCY 2:02.40 10 swims

100 Individual Medley SCY 1:01.98 5 swims

200 Individual Medley SCY 2:10.45 12 swims

400 Individual Medley SCY 4:58.77 7 swims

50 Freestyle SCM 28.12 2 swims

100 Backstroke SCM 1:15.79 1 swim

200 Backstroke SCM 2:44.14 1 swim

100 Breaststroke SCM 1:34.52 1 swim

100 Butterfly SCM 1:07.94 2 swims

200 Individual Medley SCM 2:44.92 1 swim

50 Freestyle LCM 27.56 12 swims

100 Freestyle LCM 1:01.00 10 swims

200 Freestyle LCM 2:14.21 10 swims

400 Freestyle LCM 4:52.71 9 swims

800 Freestyle LCM 10:44.42 1 swim

1500 Freestyle LCM 20:21.54 2 swims

100 Backstroke LCM 1:07.77 20 swims

200 Backstroke LCM 2:30.14 15 swims

100 Breaststroke LCM 1:27.82 8 swims

200 Breaststroke LCM 3:15.66 4 swims

50 Butterfly LCM 28.88 1 swim

100 Butterfly LCM 1:02.16 14 swims

200 Butterfly LCM 2:27.75 14 swims

200 Individual Medley LCM 2:35.17 11 swims

400 Individual Medley LCM 5:44.77 7 swims