Dallin Stephens

Mage 15FGFLIEPNUTCASTSTARUNAUNAT

519 plausible swims · 73 meets · 2017-10-14 → 2026-06-13

Personal records

Event	Course	Best	Cut	Date	Meet
25 Freestyle	SCY	14.20		2022-09-24	2022 IE MRA Sprint Shootout venue
50 Freestyle	SCY	25.80	BB+1.11s to A	2025-02-08	2025 Stanton C. Craigie Memorial Invitational venue
100 Freestyle	SCY	53.87	A+1.88s to AA	2025-09-27	2025 Elizabeth Kazeck Fall Sprint venue
200 Freestyle	SCY	1:52.62	AA+3.93s to AAA	2024-03-01	2024 IES Short Course Championships
500 Freestyle	SCY	5:07.10	AA+11.41s to AAA	2025-10-19	2025 SLAC IMX Challenge Invitational venue
1000 Freestyle	SCY	10:29.42	AA+13.63s to AAA	2025-03-06	2025 Florida Swimming FLAGS NORTH venue
1650 Freestyle	SCY	16:59.24	AAA+38.45s to AAAA	2026-01-09	2026 FAST Polar Plunge venue
25 Backstroke	SCY	23.59		2019-02-10	2019 IES Junior Championships venue
50 Backstroke	SCY	27.51	A+0.62s to AA	2026-03-15	2026 Fl Swimming Spring Senior Championships venue
100 Backstroke	SCY	57.37	A+0.28s to AA	2025-03-07	2025 Florida Swimming FLAGS NORTH venue
200 Backstroke	SCY	1:56.27	AAA+2.38s to AAAA	2025-12-07	2025 Speedo Gator Holiday Classic fast pool
25 Breaststroke	SCY	39.73		2018-11-18	2018 CAST Fall Splash venue
50 Breaststroke	SCY	34.42	BB+2.33s to A	2025-02-07	2025 Stanton C. Craigie Memorial Invitational venue
100 Breaststroke	SCY	1:10.05	BB+2.66s to A	2025-09-28	2025 Elizabeth Kazeck Fall Sprint venue
200 Breaststroke	SCY	2:29.08	BB+2.09s to A	2025-10-18	2025 SLAC IMX Challenge Invitational
25 Butterfly	SCY	23.37		2019-02-10	2019 IES Junior Championships venue
50 Butterfly	SCY	27.92	BB+0.13s to A	2025-02-07	2025 Stanton C. Craigie Memorial Invitational venue
100 Butterfly	SCY	59.71	BB+0.82s to A	2025-09-28	2025 Elizabeth Kazeck Fall Sprint venue
200 Butterfly	SCY	1:52.68	AAAA	2026-03-12	2026 Fl Swimming Spring Senior Championships
100 Individual Medley	SCY	1:16.21		2022-09-24	2022 IE MRA Sprint Shootout venue
200 Individual Medley	SCY	2:07.55	A+0.86s to AA	2025-10-18	2025 SLAC IMX Challenge Invitational venue
400 Individual Medley	SCY	4:28.43	AA+7.94s to AAA	2025-12-05	2025 Speedo Gator Holiday Classic fast pool
50 Freestyle	LCM	28.46	A+1.07s to AA	2026-05-16	2026 PA Long Course Invite venue
100 Freestyle	LCM	1:00.98	A+1.29s to AA	2026-04-11	2026 Ron Nardozzi Pre-Derby Sprint Invite - c venue
200 Freestyle	LCM	2:10.07	AA+4.28s to AAA	2025-05-17	2025 PA Long Course Invite venue
400 Freestyle	LCM	4:34.49	AA+6.70s to AAA	2025-07-12	2025 FL Summer Age Group Championships venue
800 Freestyle	LCM	9:10.98	AAA+22.49s to AAAA	2026-02-12	2026 SZSS Spring Championships venue
1500 Freestyle	LCM	18:19.33	AA+31.64s to AAA	2025-06-12	2025 RAFC Summer Solstice venue
50 Backstroke	LCM	30.82	AA+0.43s to AAA	2025-07-12	2025 FL Summer Age Group Championships venue
100 Backstroke	LCM	1:03.66	AAA+2.77s to AAAA	2026-06-12	2026 RAFC Summer Solstice Invitational venue
200 Backstroke	LCM	2:17.20	AAA+5.01s to AAAA	2026-06-13	2026 RAFC Summer Solstice Invitational venue
50 Breaststroke	LCM	50.01	+7.42s to B	2022-06-04	2022 TRI-CITY OPEN venue
100 Breaststroke	LCM	1:20.38	BB+1.99s to A	2026-05-16	2026 PA Long Course Invite venue
200 Breaststroke	LCM	2:58.68	BB+7.29s to A	2025-05-18	2025 PA Long Course Invite venue
50 Butterfly	LCM	35.26	B+1.37s to BB	2023-07-23	2023 IES LC Championships venue
100 Butterfly	LCM	1:06.27	A+1.78s to AA	2026-04-11	2026 Ron Nardozzi Pre-Derby Sprint Invite - c venue
200 Butterfly	LCM	2:32.63	BB+2.04s to A	2025-05-17	2025 PA Long Course Invite venue
200 Individual Medley	LCM	2:26.19	AA+5.70s to AAA	2026-04-11	2026 Ron Nardozzi Pre-Derby Sprint Invite - c venue
400 Individual Medley	LCM	5:01.27	AAA+13.08s to AAAA	2026-05-15	2026 PA Long Course Invite venue

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	17.69	flat	200 Free Relay	2021-12-05	2021 Winter Invite
50 Freestyle	SCY	30.36	flying	200 Free Relay (leg 2)	2023-02-11	Cougar Classic
50 Freestyle	SCY	36.81	flying	200 Medley Relay (leg 4)	2019-10-12	2019 IE IMX Fall Challenge
50 Backstroke	SCY	33.85	flat	200 Medley Relay	2022-12-10	2022 SWAT Winter Invite
200 Freestyle	LCM	2:13.14	flying	800 Free Relay (leg 2)	2025-07-10	2025 FL Summer 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 15-16 · SCY

4610 points (6/6 events)

Event	Time	Points
500 FR SCY	5:07.10	728
200 BK SCY	1:56.27	862
200 BR SCY	2:29.08	593
200 FL SCY	1:52.68	1000
200 IM SCY	2:07.55	698
400 IM SCY	4:28.43	729

IMR 15-16 · LCM

3527 points (5/5 events)

Event	Time	Points
200 FR LCM	2:10.07	737
100 BK LCM	1:03.66	816
100 BR LCM	1:20.38	581
100 FL LCM	1:06.27	656
200 IM LCM	2:26.19	737

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

PR splits

100 Freestyle SCY 53.87

53.87

200 Freestyle SCY 1:52.62 split/total mismatch

27.86

30.62

32.45

31.99

24.99

28.52

30.07

29.04

500 Freestyle SCY 5:07.10

27.42

29.89

31.04

31.31

31.82

31.43

31.60

31.49

31.17

29.93

Front half 151.48s · back half 155.62s

1000 Freestyle SCY 10:29.42 RT 0.66s

27.77

30.24

31.36

31.65

31.75

31.68

31.72

31.88

31.80

32.48

31.72

32.30

32.22

31.67

32.28

32.34

32.05

30.86

31.97

29.68

Front half 312.33s · back half 317.09s

1650 Freestyle SCY 16:59.24

26.90

29.58

30.54

30.97

30.87

31.02

30.85

30.89

30.81

30.88

30.62

30.47

30.80

30.88

30.71

31.04

30.88

30.83

31.25

31.12

31.27

31.53

31.11

30.79

31.51

31.29

31.55

31.54

31.46

32.01

31.80

29.92

100 Backstroke SCY 57.37 RT 0.58s

27.94

29.43

Front half 27.94s · back half 29.43s

200 Backstroke SCY 1:56.27

29.00

31.76

32.68

22.83

Front half 60.76s · back half 55.51s

100 Breaststroke SCY 1:10.05

33.19

36.86

Front half 33.19s · back half 36.86s

100 Butterfly SCY 59.71

27.95

31.76

Front half 27.95s · back half 31.76s

200 Butterfly SCY 1:52.68 split/total mismatch

29.86

64.72

25.24

53.64

100 Individual Medley SCY 1:16.21

16.91

17.61

25.93

15.76

Front half 34.52s · back half 41.69s

200 Individual Medley SCY 2:07.55

27.45

30.87

39.57

29.66

Front half 58.32s · back half 69.23s

400 Individual Medley SCY 4:28.43

28.38

33.19

33.29

32.79

40.83

40.93

30.18

28.84

Front half 127.65s · back half 140.78s

200 Freestyle LCM 2:10.07

30.09

32.53

34.50

32.95

Front half 62.62s · back half 67.45s

400 Freestyle LCM 4:34.49 RT 0.67s

30.54

33.19

34.63

35.08

35.52

35.62

35.33

34.58

Front half 133.44s · back half 141.05s

800 Freestyle LCM 9:10.98

62.13

30.57

37.35

34.50

35.12

35.09

35.31

35.27

34.98

35.44

35.38

34.46

36.01

34.95

34.42

1500 Freestyle LCM 18:19.33

31.54

35.27

35.96

36.71

36.75

36.67

36.42

36.86

36.40

36.75

36.58

37.07

36.12

37.32

37.48

38.02

36.61

37.68

37.26

37.10

36.40

37.16

36.67

37.96

37.15

37.00

37.21

37.25

36.25

35.71

Front half 543.90s · back half 555.43s

100 Backstroke LCM 1:03.66

31.15

32.51

Front half 31.15s · back half 32.51s

200 Backstroke LCM 2:17.20

31.77

34.78

35.24

35.41

Front half 66.55s · back half 70.65s

100 Breaststroke LCM 1:20.38

38.50

41.88

Front half 38.50s · back half 41.88s

200 Breaststroke LCM 2:58.68

41.59

46.60

46.05

44.44

Front half 88.19s · back half 90.49s

200 Butterfly LCM 2:32.63

33.44

39.48

40.44

39.27

Front half 72.92s · back half 79.71s

200 Individual Medley LCM 2:26.19

68.36

77.83

Front half 68.36s · back half 77.83s

400 Individual Medley LCM 5:01.27

31.08

36.45

37.43

36.88

45.68

46.12

34.81

32.82

Front half 141.84s · back half 159.43s

Reaction time

fastest 0.54s average 0.662s slowest 0.92s 29 electronic starts

Start reaction over time faster starts higher

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 14.20 11 swims

50 Freestyle SCY 25.80 24 swims

100 Freestyle SCY 53.87 35 swims

200 Freestyle SCY 1:52.62 34 swims

500 Freestyle SCY 5:07.10 16 swims

1000 Freestyle SCY 10:29.42 6 swims

1650 Freestyle SCY 16:59.24 3 swims

25 Backstroke SCY 23.59 9 swims

50 Backstroke SCY 27.51 25 swims

100 Backstroke SCY 57.37 33 swims

200 Backstroke SCY 1:56.27 25 swims

25 Breaststroke SCY 39.73 1 swim

50 Breaststroke SCY 34.42 5 swims

100 Breaststroke SCY 1:10.05 7 swims

200 Breaststroke SCY 2:29.08 8 swims

25 Butterfly SCY 23.37 2 swims

50 Butterfly SCY 27.92 17 swims

100 Butterfly SCY 59.71 21 swims

200 Butterfly SCY 1:52.68 15 swims

100 Individual Medley SCY 1:16.21 7 swims

200 Individual Medley SCY 2:07.55 27 swims

400 Individual Medley SCY 4:28.43 12 swims

50 Freestyle LCM 28.46 12 swims

100 Freestyle LCM 1:00.98 17 swims

200 Freestyle LCM 2:10.07 17 swims

400 Freestyle LCM 4:34.49 7 swims

800 Freestyle LCM 9:10.98 9 swims

1500 Freestyle LCM 18:19.33 4 swims

50 Backstroke LCM 30.82 12 swims

100 Backstroke LCM 1:03.66 23 swims

200 Backstroke LCM 2:17.20 19 swims

50 Breaststroke LCM 50.01 4 swims

100 Breaststroke LCM 1:20.38 4 swims

200 Breaststroke LCM 2:58.68 1 swim

50 Butterfly LCM 35.26 10 swims

100 Butterfly LCM 1:06.27 14 swims

200 Butterfly LCM 2:32.63 2 swims

200 Individual Medley LCM 2:26.19 13 swims

400 Individual Medley LCM 5:01.27 8 swims