Sean Diehl

Mage 15MAMDNCYY

302 plausible swims · 31 meets · 2021-12-10 → 2026-07-12

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 26.20 BB+1.51s to A·+3.81s to Sectionals 2024-10-07 Bill Schmidt Invite
100 Freestyle SCY 53.57 A+1.58s to AA·+5.08s to Sectionals 2026-02-01 YY John deBarbadillo Invite
200 Freestyle SCY 1:54.27 A+0.68s to AA·+7.98s to Sectionals 2026-02-01 YY John deBarbadillo Invite
500 Freestyle SCY 4:59.11 AA+3.42s to AAA·+11.72s to Sectionals 2026-01-16 Winterfest 2026venue
1000 Freestyle SCY 10:12.32 AAA+24.53s to AAAA·+12.83s to Sectionals 2025-12-11 32nd Annual YOTA/Arena Capital Classicvenue
1650 Freestyle SCY 17:12.08 AA+4.59s to AAA·+28.09s to Sectionals 2026-02-01 YY John deBarbadillo Invite
50 Backstroke SCY 28.88 BB+0.89s to A·+5.19s to Futures 2024-10-07 Bill Schmidt Invite
100 Backstroke SCY 58.47 A+1.38s to AA·+3.98s to Sectionals 2026-01-17 Winterfest 2026venue
200 Backstroke SCY 2:02.72 AA+3.43s to AAA·+4.13s to Sectionals 2026-02-01 YY John deBarbadillo Invite
50 Breaststroke SCY 40.38 +2.89s to B·+14.09s to Futures 2021-12-10 2021 NBAC HOLIDAY MEETvenue
100 Breaststroke SCY 1:12.12 BB+4.73s to A·+10.63s to Sectionals 2026-02-01 YY John deBarbadillo Invite
200 Breaststroke SCY 2:32.62 BB+5.63s to A·+17.63s to Sectionals 2026-02-01 YY John deBarbadillo Invite
50 Butterfly SCY 27.48 A+0.89s to AA·+4.59s to Futures 2024-10-07 Bill Schmidt Invite
100 Butterfly SCY 57.96 A+1.57s to AA·+4.77s to Sectionals 2025-11-07 2025 EMAC Fall Invitational 11 & Over A/BB/C
200 Butterfly SCY 2:07.78 A+1.29s to AA·+6.59s to Sectionals 2025-12-13 32nd Annual YOTA/Arena Capital Classicvenue
100 Individual Medley SCY 1:03.42 2024-10-07 Bill Schmidt Invite
200 Individual Medley SCY 2:09.14 A+2.45s to AA·+9.75s to Sectionals 2026-01-17 Winterfest 2026venue
400 Individual Medley SCY 4:27.63 AA+7.14s to AAA·+12.54s to Sectionals 2025-12-12 32nd Annual YOTA/Arena Capital Classicvenue
50 Freestyle LCM 28.59 A+1.20s to AA·+3.10s to Sectionals 2025-07-21 MASI Long Course Junior Championships
100 Freestyle LCM 1:00.39 A+0.70s to AA·+4.90s to Sectionals 2026-07-12 2026 NBAC Mid Summer Classicvenue
200 Freestyle LCM 2:06.64 AA+0.85s to AAA·+5.35s to Sectionals 2026-06-08 Chargers Mid Season Long Course Invitational
400 Freestyle LCM 4:22.23 AAA+6.64s to AAAA·+4.64s to Sectionals 2026-06-30 LAC Arena Classic
800 Freestyle LCM 9:06.63 AAA+18.14s to AAAA·+8.24s to Sectionals 2026-07-09 2026 NBAC Mid Summer Classicvenue
1500 Freestyle LCM 17:08.02 AAA+8.83s to AAAA·Sectionals ✓+29.03s to Futures 2026-07-12 2026 NBAC Mid Summer Classicvenue
50 Backstroke LCM 33.88 BB+0.69s to A·+5.99s to Futures 2024-05-17 2024 NBAC Spring LC Invitational Meetvenue
100 Backstroke LCM 1:05.37 AA+1.58s to AAA·+3.38s to Sectionals 2026-05-31 2026 Eagle Swim Team Speedo Sizzlervenue
200 Backstroke LCM 2:16.28 AAA+4.09s to AAAA·+1.49s to Sectionals 2026-05-30 2026 Eagle Swim Team Speedo Sizzlervenue
50 Breaststroke LCM 46.77 +4.18s to B·+15.88s to Futures 2022-05-01 2022 Carol Chidester Invitevenue
100 Breaststroke LCM 1:19.31 BB+0.92s to A·+9.62s to Sectionals 2026-06-08 Chargers Mid Season Long Course Invitational
200 Breaststroke LCM 2:47.81 A+3.62s to AA·+15.22s to Sectionals 2026-05-30 2026 Eagle Swim Team Speedo Sizzlervenue
50 Butterfly LCM 31.97 BB+0.68s to A·+5.68s to Futures 2024-05-19 2024 NBAC Spring LC Invitational Meetvenue
100 Butterfly LCM 1:03.61 AA+1.92s to AAA·+3.42s to Sectionals 2026-06-08 Chargers Mid Season Long Course Invitational
200 Butterfly LCM 2:18.33 AA+0.34s to AAA·+2.04s to Sectionals 2026-07-11 2026 NBAC Mid Summer Classicvenue
200 Individual Medley LCM 2:19.58 AAA+5.49s to AAAA·+3.39s to Sectionals 2026-07-11 2026 NBAC Mid Summer Classicvenue
400 Individual Medley LCM 4:53.07 AAA+4.88s to AAAA·+3.18s to Sectionals 2026-07-10 2026 NBAC Mid Summer Classicvenue

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

National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 29.75 flat 200 Free Relay 2021-12-10 2021 NBAC HOLIDAY MEET
50 Freestyle SCY 24.15 flying 200 Free Relay (leg 3) 2026-01-16 Winterfest 2026
100 Freestyle SCY 54.06 flying 400 Free Relay (leg 3) 2026-01-18 Winterfest 2026
50 Backstroke SCY 33.24 flat 200 Medley Relay 2021-12-11 2021 NBAC HOLIDAY MEET
50 Breaststroke SCY 31.48 flying 200 Medley Relay (leg 2) 2026-01-18 Winterfest 2026
50 Freestyle LCM 30.38 flat 200 Free Relay 2024-05-18 2024 NBAC Spring LC Invitational Meet
50 Freestyle LCM 28.53 flying 200 Free Relay (leg 4) 2025-05-17 2025 NBAC Spring LC Invitational Meet
100 Freestyle LCM 1:07.08 flat 400 Free Relay 2023-07-09 2023 NBAC Mid-Summer Classic
50 Backstroke LCM 33.02 flat 200 Medley Relay 2025-05-18 2025 NBAC Spring LC Invitational Meet
100 Backstroke LCM 1:14.08 flat 400 Medley Relay 2023-07-07 2023 NBAC Mid-Summer Classic
50 Butterfly LCM 31.27 flying 200 Medley Relay (leg 3) 2024-05-19 2024 NBAC Spring LC Invitational Meet

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 · LCM

4916 points (6/6 events)

EventTime Points
400 FR LCM 4:22.23 872
200 BK LCM 2:16.28 851
200 BR LCM 2:47.81 657
200 FL LCM 2:18.33 807
200 IM LCM 2:19.58 847
400 IM LCM 4:53.07 882

IMR 15-16 · LCM

3745 points (5/5 events)

EventTime Points
200 FR LCM 2:06.64 798
100 BK LCM 1:05.37 753
100 BR LCM 1:19.31 605
100 FL LCM 1:03.61 742
200 IM LCM 2:19.58 847

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

PR splits

100 Freestyle SCY 53.57

26.05
27.52

Front half 26.05s · back half 27.52s

200 Freestyle SCY 1:54.27

26.76
29.18
29.35
28.98

Front half 55.94s · back half 58.33s

500 Freestyle SCY 4:59.11

27.15
29.60
29.97
30.19
30.52
30.52
30.73
30.54
30.66
29.23

Front half 147.43s · back half 151.68s

1000 Freestyle SCY 10:12.32

28.03
30.47
30.63
30.83
31.10
30.94
31.12
30.86
30.80
30.91
30.90
30.95
31.03
31.00
30.93
30.59
30.50
30.65
30.54
29.54

Front half 305.69s · back half 306.63s

1650 Freestyle SCY 17:12.08

28.41
30.81
31.20
30.87
31.21
31.18
31.64
31.33
31.40
31.32
31.07
31.64
31.34
31.20
31.69
31.47
31.53
31.56
31.62
31.76
31.74
31.57
31.56
31.32
31.93
31.51
31.19
31.49
31.72
31.75
31.52
30.71
29.82

100 Backstroke SCY 58.47

28.70
29.77

Front half 28.70s · back half 29.77s

200 Backstroke SCY 2:02.72

29.67
31.49
31.16
30.40

Front half 61.16s · back half 61.56s

100 Breaststroke SCY 1:12.12

34.34
37.78

Front half 34.34s · back half 37.78s

200 Breaststroke SCY 2:32.62

35.80
39.12
39.35
38.35

Front half 74.92s · back half 77.70s

100 Butterfly SCY 57.96 split/total mismatch

27.52
2.92

Front half 27.52s · back half 30.44s

200 Butterfly SCY 2:07.78

28.96
33.05
33.47
32.30

Front half 62.01s · back half 65.77s

100 Individual Medley SCY 1:03.42 split/total mismatch

28.85
5.72

Front half 28.85s · back half 34.57s

200 Individual Medley SCY 2:09.14

28.42
32.19
39.17
29.36

Front half 60.61s · back half 68.53s

400 Individual Medley SCY 4:27.63

28.42
31.86
33.37
32.62
41.07
40.44
30.78
29.07

Front half 126.27s · back half 141.36s

100 Freestyle LCM 1:00.39

29.18
31.21

Front half 29.18s · back half 31.21s

200 Freestyle LCM 2:06.64 split/total mismatch

30.09
32.43
32.26
31.86

400 Freestyle LCM 4:22.23 split/total mismatch

29.93
32.84
33.12
33.36
33.44
33.55
33.40
32.59

800 Freestyle LCM 9:06.63

30.77
34.37
33.85
34.30
34.21
34.55
34.23
34.80
34.61
35.07
34.71
34.86
34.60
34.41
34.10
33.19

Front half 271.08s · back half 275.55s

1500 Freestyle LCM 17:08.02

31.03
33.92
34.19
34.13
34.40
34.41
34.49
34.53
34.61
34.87
34.42
34.83
34.49
34.58
34.42
34.29
34.12
34.49
34.64
34.61
34.81
34.81
34.42
34.68
34.43
34.60
33.95
34.35
33.75
32.75

Front half 513.32s · back half 514.70s

100 Backstroke LCM 1:05.37

31.95
33.42

Front half 31.95s · back half 33.42s

200 Backstroke LCM 2:16.28

32.72
35.08
34.65
33.83

Front half 67.80s · back half 68.48s

100 Breaststroke LCM 1:19.31 split/total mismatch

38.07
3.17

Front half 38.07s · back half 41.24s

200 Breaststroke LCM 2:47.81

39.10
43.12
43.39
42.20

Front half 82.22s · back half 85.59s

100 Butterfly LCM 1:03.61 · 320.0 min after 200 Freestylesplit/total mismatch

30.59
2.43

Front half 30.59s · back half 33.02s

200 Butterfly LCM 2:18.33

31.25
35.59
35.80
35.69

Front half 66.84s · back half 71.49s

200 Individual Medley LCM 2:19.58

30.51
35.39
41.98
31.70

Front half 65.90s · back half 73.68s

400 Individual Medley LCM 4:53.07

31.38
35.03
37.05
35.69
43.90
43.76
33.72
32.54

Front half 139.15s · back half 153.92s

Reaction time

fastest 0.67s average 0.700s slowest 0.75s 3 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.

Swim history

Every recorded swim, newest first
DateEventCourse TimeAge RoundMeet

Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.

Progression

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

50 Freestyle SCY 26.20 4 swims
100 Freestyle SCY 53.57 7 swims
200 Freestyle SCY 1:54.27 8 swims
500 Freestyle SCY 4:59.11 3 swims
1000 Freestyle SCY 10:12.32 1 swim
1650 Freestyle SCY 17:12.08 1 swim
50 Backstroke SCY 28.88 4 swims
100 Backstroke SCY 58.47 9 swims
200 Backstroke SCY 2:02.72 6 swims
50 Breaststroke SCY 40.38 2 swims
100 Breaststroke SCY 1:12.12 5 swims
200 Breaststroke SCY 2:32.62 3 swims
50 Butterfly SCY 27.48 2 swims
100 Butterfly SCY 57.96 6 swims
200 Butterfly SCY 2:07.78 4 swims
100 Individual Medley SCY 1:03.42 2 swims
200 Individual Medley SCY 2:09.14 6 swims
400 Individual Medley SCY 4:27.63 6 swims
50 Freestyle LCM 28.59 10 swims
100 Freestyle LCM 1:00.39 17 swims
200 Freestyle LCM 2:06.64 20 swims
400 Freestyle LCM 4:22.23 12 swims
800 Freestyle LCM 9:06.63 5 swims
1500 Freestyle LCM 17:08.02 5 swims
50 Backstroke LCM 33.88 4 swims
100 Backstroke LCM 1:05.37 23 swims
200 Backstroke LCM 2:16.28 25 swims
50 Breaststroke LCM 46.77 1 swim
100 Breaststroke LCM 1:19.31 16 swims
200 Breaststroke LCM 2:47.81 12 swims
50 Butterfly LCM 31.97 8 swims
100 Butterfly LCM 1:03.61 21 swims
200 Butterfly LCM 2:18.33 11 swims
200 Individual Medley LCM 2:19.58 18 swims
400 Individual Medley LCM 4:53.07 14 swims