Derrick Mai

Mage 17CAPCSIDADAHISOCAUN-29

206 plausible swims · 30 meets · 2024-02-17 → 2026-06-21

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 22.90 AA+0.81s to AAA 2026-02-15 2026 MVN Lunar AAPI Festival venue
100 Freestyle SCY 51.17 A+0.78s to AA 2026-02-14 2026 MVN Lunar AAPI Festival venue
200 Freestyle SCY 1:50.20 AA+3.81s to AAA 2025-02-14 2025 SI Presidents' Day Senior Classic
500 Freestyle SCY 5:01.01 AA+12.42s to AAA 2025-11-21 2025 CA MVN Turkey Classic venue
50 Backstroke SCY 26.24 A+0.55s to AA 2026-02-14 2026 MVN Lunar AAPI Festival venue
100 Backstroke SCY 55.34 A+0.45s to AA 2024-12-21 2024 CA-NV December Sectionals At BREA venue
200 Backstroke SCY 2:02.38 A+2.39s to AA 2025-11-09 2025 Legends of Coaching Series_Peter Daland venue
50 Breaststroke SCY 28.06 AAA+1.07s to AAAA 2025-12-13 2025 CA SCS/SCAT WAG venue
100 Breaststroke SCY 59.98 AA+0.59s to AAA 2026-02-27 2026 SI CA/NV Speedo Sectionals Oceanside venue
200 Breaststroke SCY 2:11.58 AA+2.49s to AAA 2026-02-28 2026 SI CA/NV Speedo Sectionals Oceanside venue
50 Butterfly SCY 25.30 AA+0.81s to AAA 2025-12-07 2025 Patriot Aquatics December venue
100 Butterfly SCY 52.99 AA+1.00s to AAA 2026-02-27 2026 SI CA/NV Speedo Sectionals Oceanside venue
200 Butterfly SCY 1:57.87 AA+0.98s to AAA 2026-02-28 2026 SI CA/NV Speedo Sectionals Oceanside venue
100 Individual Medley SCY 57.43 2025-12-06 2025 Patriot Aquatics December venue
200 Individual Medley SCY 1:58.85 AA+1.36s to AAA 2026-03-01 2026 SI CA/NV Speedo Sectionals Oceanside venue
400 Individual Medley SCY 4:15.89 AA+2.90s to AAA 2026-02-27 2026 SI CA/NV Speedo Sectionals Oceanside venue
50 Freestyle LCM 25.93 AA+0.44s to AAA 2025-07-26 2025 CA SCS Summer A/G Champs
100 Freestyle LCM 56.40 AA+0.81s to AAA 2025-07-23 2025 CA SCS Summer A/G Champs
50 Backstroke LCM 29.83 AA+0.44s to AAA 2026-05-23 2026 CA 30th NOVA-Speedo Grand Challenge venue
100 Backstroke LCM 1:03.17 AA+1.28s to AAA 2026-06-14 2026 SCS June AG Invite venue
200 Backstroke LCM 2:18.13 AA+3.34s to AAA 2025-06-14 2025 June Age Group Invite venue
50 Breaststroke LCM 32.41 AA+0.32s to AAA 2026-05-24 2026 CA 30th NOVA-Speedo Grand Challenge venue
100 Breaststroke LCM 1:11.17 AA+1.98s to AAA 2025-06-14 2025 June Age Group Invite venue
200 Breaststroke LCM 2:39.73 A+1.84s to AA 2025-06-15 2025 June Age Group Invite venue
50 Butterfly LCM 27.11 AAA+0.72s to AAAA 2026-06-19 2026 CA MVN Fran Crippen SMOC venue
100 Butterfly LCM 59.64 AAA+2.65s to AAAA 2025-07-25 2025 CA SCS Summer A/G Champs
200 Butterfly LCM 2:24.35 A+5.06s to AA 2026-01-18 Finals -2026 Road to Sofi - copied venue
200 Individual Medley LCM 2:18.12 AA+1.93s to AAA 2025-06-13 2025 June Age Group Invite venue
400 Individual Medley LCM 4:56.13 AA+3.74s to AAA 2024-07-26 2024 CA SCS/GWSC Summer A/G Champs slow pool

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.

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

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 23.49 flat 200 Free Relay 2024-12-14 2024 CA SCAT/SCS WAG
100 Freestyle SCY 50.54 flying 400 Free Relay (leg 2) 2025-11-09 2025 Legends of Coaching Series_Peter Daland
200 Freestyle SCY 1:51.68 flying 800 Free Relay (leg 4) 2024-12-13 2024 CA SCAT/SCS WAG
50 Backstroke SCY 27.15 flat 200 Medley Relay 2025-02-17 2025 SI Presidents' Day Senior Classic
100 Backstroke SCY 56.62 flat 400 Medley Relay 2025-11-07 2025 Legends of Coaching Series_Peter Daland
50 Butterfly SCY 24.34 flying 200 Medley Relay (leg 3) 2025-12-14 2025 CA SCS/SCAT WAG
50 Freestyle LCM 26.26 flying 200 Free Relay (leg 2) 2026-06-11 2026 SCS June AG Invite
50 Backstroke LCM 31.45 flat 200 Medley Relay 2024-07-25 2024 CA SCS/GWSC Summer A/G Champs
50 Butterfly LCM 27.85 flying 200 Medley Relay (leg 3) 2026-06-14 2026 SCS June AG Invite

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 17-18 · SCY

4634 points (6/6 events)

EventTime Points
500 FR SCY 5:01.01 741
200 BK SCY 2:02.38 685
200 BR SCY 2:11.58 791
200 FL SCY 1:57.87 808
200 IM SCY 1:58.85 805
400 IM SCY 4:15.89 804

IMR 17-18 · SCY

3853 points (5/5 events)

EventTime Points
200 FR SCY 1:50.20 751
100 BK SCY 55.34 689
100 BR SCY 59.98 813
100 FL SCY 52.99 795
200 IM SCY 1:58.85 805

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

PR splits

100 Freestyle SCY 51.17

24.52
26.65

Front half 24.52s · back half 26.65s

500 Freestyle SCY 5:01.01

26.85
29.25
30.38
30.64
30.48
30.77
31.12
30.66
30.89
29.97

Front half 147.60s · back half 153.41s

100 Backstroke SCY 55.34 RT 0.65s

26.90
28.44

Front half 26.90s · back half 28.44s

200 Backstroke SCY 2:02.38

28.04
29.87
32.02
32.45

Front half 57.91s · back half 64.47s

100 Breaststroke SCY 59.98

28.17
31.81

Front half 28.17s · back half 31.81s

200 Breaststroke SCY 2:11.58

29.24
33.84
34.29
34.21

Front half 63.08s · back half 68.50s

100 Butterfly SCY 52.99

24.79
28.20

Front half 24.79s · back half 28.20s

200 Butterfly SCY 1:57.87

26.57
29.66
30.20
31.44

Front half 56.23s · back half 61.64s

100 Individual Medley SCY 57.43

26.49
30.94

Front half 26.49s · back half 30.94s

200 Individual Medley SCY 1:58.85

24.90
30.49
35.01
28.45

Front half 55.39s · back half 63.46s

400 Individual Medley SCY 4:15.89

26.85
30.43
34.08
33.91
36.09
36.83
29.57
28.13

Front half 125.27s · back half 130.62s

100 Backstroke LCM 1:03.17

30.54
32.63

Front half 30.54s · back half 32.63s

200 Backstroke LCM 2:18.13

32.16
34.69
36.19
35.09

Front half 66.85s · back half 71.28s

100 Breaststroke LCM 1:11.17

33.24
37.93

Front half 33.24s · back half 37.93s

200 Breaststroke LCM 2:39.73

34.71
40.84
42.19
41.99

Front half 75.55s · back half 84.18s

200 Butterfly LCM 2:24.35

31.38
36.05
38.32
38.60

Front half 67.43s · back half 76.92s

200 Individual Medley LCM 2:18.12

28.50
35.06
42.38
32.18

Front half 63.56s · back half 74.56s

400 Individual Medley LCM 4:56.13

29.92
35.02
39.44
39.24
42.67
44.27
33.15
32.42

Front half 143.62s · back half 152.51s

Reaction time

fastest 0.59s average 0.644s slowest 0.68s 14 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.

50 Freestyle SCY 22.90 4 swims
100 Freestyle SCY 51.17 7 swims
200 Freestyle SCY 1:50.20 4 swims
500 Freestyle SCY 5:01.01 1 swim
50 Backstroke SCY 26.24 10 swims
100 Backstroke SCY 55.34 13 swims
200 Backstroke SCY 2:02.38 6 swims
50 Breaststroke SCY 28.06 9 swims
100 Breaststroke SCY 59.98 14 swims
200 Breaststroke SCY 2:11.58 11 swims
50 Butterfly SCY 25.30 2 swims
100 Butterfly SCY 52.99 14 swims
200 Butterfly SCY 1:57.87 10 swims
100 Individual Medley SCY 57.43 1 swim
200 Individual Medley SCY 1:58.85 12 swims
400 Individual Medley SCY 4:15.89 8 swims
50 Freestyle LCM 25.93 4 swims
100 Freestyle LCM 56.40 1 swim
50 Backstroke LCM 29.83 2 swims
100 Backstroke LCM 1:03.17 11 swims
200 Backstroke LCM 2:18.13 7 swims
50 Breaststroke LCM 32.41 3 swims
100 Breaststroke LCM 1:11.17 13 swims
200 Breaststroke LCM 2:39.73 3 swims
50 Butterfly LCM 27.11 5 swims
100 Butterfly LCM 59.64 16 swims
200 Butterfly LCM 2:24.35 2 swims
200 Individual Medley LCM 2:18.12 9 swims
400 Individual Medley LCM 4:56.13 4 swims