Derek Liu

Mage 16EZFLMDMRNCNECRA

445 plausible swims · 62 meets · 2020-11-27 → 2026-05-10

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	23.49	A+0.10s to AA·+1.10s to Sectionals	2025-02-07	2025 NE CRA Last Chance February Invitational
100 Freestyle	SCY	50.13	AA+1.14s to AAA·+1.64s to Sectionals	2026-02-06	2026 NE CRA Last Chance February Invitational
200 Freestyle	SCY	1:45.34	AAA+3.15s to AAAA·Sectionals ✓+3.75s to Futures	2025-07-31	2025 NE CRA August End of Season Invite
500 Freestyle	SCY	4:44.77	AAA+6.98s to AAAA·Sectionals ✓+7.68s to Futures	2024-12-12	2024 NBAC 50th Annual Christmas Invitational
1000 Freestyle	SCY	9:59.66	AAA+20.77s to AAAA·+0.17s to Sectionals	2025-12-11	2025 NE CRA Winter Invitational venue
1650 Freestyle	SCY	17:03.87	AA+12.98s to AAA·+19.88s to Sectionals	2024-10-26	2024 NE CRA Oct Distance & Specialty venue
50 Backstroke	SCY	28.70	BB+1.41s to A·+5.01s to Futures	2025-10-10	2025 NE CRA October Distance & Specialty Meet
100 Backstroke	SCY	56.38	A+0.69s to AA·+1.89s to Sectionals	2024-08-01	2024 NE CRA August End of Season Invite
200 Backstroke	SCY	2:02.89	A+0.90s to AA·+4.30s to Sectionals	2025-01-03	2025 NE PHX Boston Winter Classic
100 Breaststroke	SCY	1:16.32	B+4.83s to BB·+14.83s to Sectionals	2023-03-17	2023 NE CRA End of Season Meet
200 Breaststroke	SCY	2:28.43	BB+5.24s to A·+13.44s to Sectionals	2024-11-17	2024 NE CRA November Distance & Specialty venue
50 Butterfly	SCY	23.60	AAAA·+0.71s to Futures	2025-12-11	2025 NE CRA Winter Invitational
100 Butterfly	SCY	50.93	AAA+0.44s to AAAA·Sectionals ✓+0.34s to Futures	2025-07-31	2025 NE CRA August End of Season Invite
200 Butterfly	SCY	1:49.99	AAAA·Futures ✓+0.90s to Winter JNs	2026-03-28	2026 EZ North Speedo Short Course Sectionals venue
200 Individual Medley	SCY	1:57.74	AAA+4.25s to AAAA·Sectionals ✓+3.85s to Futures	2024-12-14	2024 NBAC 50th Annual Christmas Invitational venue
400 Individual Medley	SCY	4:06.45	AAA+3.46s to AAAA·Futures ✓+9.96s to Winter JNs	2026-03-27	2026 EZ North Speedo Short Course Sectionals venue
50 Freestyle	LCM	27.36	A+0.27s to AA·+1.87s to Sectionals	2026-05-08	2026 NE CRA MIT Team Specialty LC Meet
100 Freestyle	LCM	59.91	A+0.92s to AA·+4.42s to Sectionals	2025-06-27	EAC Independence Invitational venue
200 Freestyle	LCM	2:03.64	AA+0.05s to AAA·+2.35s to Sectionals	2024-07-19	2024 NE BGSC LCM 11-14 Championships venue
400 Freestyle	LCM	4:25.27	AA+1.58s to AAA·+7.68s to Sectionals	2025-06-28	EAC Independence Invitational venue
800 Freestyle	LCM	8:59.71	AAA+18.02s to AAAA·+1.32s to Sectionals	2025-06-26	EAC Independence Invitational venue
1500 Freestyle	LCM	17:45.31	AA+13.72s to AAA·+26.32s to Sectionals	2025-07-10	2025 NE CS LCM Senior Championships venue
100 Backstroke	LCM	1:09.96	BB+1.87s to A·+7.97s to Sectionals	2025-05-10	2025 NE CRA & USC May LC Specialty Meet venue
200 Backstroke	LCM	2:31.29	BB+3.60s to A·+16.50s to Sectionals	2025-05-09	2025 NE CRA & USC May LC Specialty Meet
200 Breaststroke	LCM	3:05.54	B+4.15s to BB·+32.95s to Sectionals	2024-05-10	2024 NE CRA & USC May LC Specialty Meet
50 Butterfly	LCM	27.76	AAA+0.87s to AAAA·+1.47s to Futures	2025-07-24	2025 TYR FUTURES OCALA venue
100 Butterfly	LCM	59.49	AAA+1.70s to AAAA·Sectionals ✓+1.50s to Futures	2025-07-25	2025 TYR FUTURES OCALA venue
200 Butterfly	LCM	2:09.00	AAAA·Futures ✓+2.61s to Winter JNs	2025-07-23	2025 TYR FUTURES OCALA venue
200 Individual Medley	LCM	2:25.61	A+0.62s to AA·+9.42s to Sectionals	2024-05-10	2024 NE CRA & USC May LC Specialty Meet
400 Individual Medley	LCM	5:02.74	AA+7.15s to AAA·+12.85s to Sectionals	2024-07-19	2024 NE BGSC LCM 11-14 Championships venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

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

Leg	Course	Time	Start	Relay	Date	Meet
200 Freestyle	SCY	1:49.31	flying	800 Free Relay (leg 2)	2024-02-22	2024 NE CRA 11-14 SCY Age Group Championship
100 Freestyle	LCM	59.95	flat	400 Free Relay	2024-07-21	2024 NE BGSC LCM 11-14 Championships
200 Freestyle	LCM	2:04.85	flat	800 Free Relay	2024-07-18	2024 NE BGSC LCM 11-14 Championships
100 Butterfly	LCM	57.87	flying	400 Medley Relay (leg 3)	2025-07-26	2025 TYR FUTURES OCALA

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

5148 points (6/6 events)

Event	Time	Points
500 FR SCY	4:44.77	913
200 BK SCY	2:02.89	730
200 BR SCY	2:28.43	601
200 FL SCY	1:49.99	1075
200 IM SCY	1:57.74	888
400 IM SCY	4:06.45	941

IMR 15-16 · SCY

3920 points (5/5 events)

Event	Time	Points
200 FR SCY	1:45.34	907
100 BK SCY	56.38	726
100 BR SCY	1:16.32	431
100 FL SCY	50.93	968
200 IM SCY	1:57.74	888

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

PR splits

100 Freestyle SCY 50.13 split/total mismatch

24.35

1.43

Front half 24.35s · back half 25.78s

200 Freestyle SCY 1:45.34 split/total mismatch

24.96

26.82

26.93

26.63

1000 Freestyle SCY 9:59.66

26.59

29.30

29.54

29.77

29.84

29.73

29.99

30.14

30.15

30.08

30.55

29.90

30.26

30.24

29.81

30.25

30.87

30.96

31.24

30.45

Front half 295.13s · back half 304.53s

1650 Freestyle SCY 17:03.87

28.37

30.30

30.41

30.53

30.82

31.06

30.97

31.01

31.17

31.05

31.35

30.92

31.40

31.46

30.86

31.11

31.36

30.90

31.19

31.33

30.79

31.58

31.42

31.45

31.72

30.80

31.64

31.57

31.52

30.63

31.31

31.62

30.25

100 Backstroke SCY 56.38 split/total mismatch

27.35

1.68

Front half 27.35s · back half 29.03s

200 Backstroke SCY 2:02.89 split/total mismatch

29.08

30.86

31.56

31.39

100 Breaststroke SCY 1:16.32 split/total mismatch

35.43

5.46

Front half 35.43s · back half 40.89s

200 Breaststroke SCY 2:28.43

33.60

36.95

38.12

39.76

Front half 70.55s · back half 77.88s

100 Butterfly SCY 50.93 split/total mismatch

24.18

2.57

Front half 24.18s · back half 26.75s

200 Butterfly SCY 1:49.99

25.22

27.63

28.18

28.96

Front half 52.85s · back half 57.14s

200 Individual Medley SCY 1:57.74

25.03

30.42

35.22

27.07

Front half 55.45s · back half 62.29s

400 Individual Medley SCY 4:06.45

25.42

28.86

33.00

32.32

35.06

36.04

28.00

27.75

Front half 119.60s · back half 126.85s

100 Freestyle LCM 59.91

28.10

31.81

Front half 28.10s · back half 31.81s

200 Freestyle LCM 2:03.64

28.35

30.56

31.67

33.06

Front half 58.91s · back half 64.73s

400 Freestyle LCM 4:25.27

29.54

33.18

33.84

33.82

33.44

34.11

33.23

Front half 130.38s · back half 134.89s

800 Freestyle LCM 8:59.71

30.72

33.63

34.22

34.40

34.86

33.52

34.97

33.72

34.24

33.32

33.86

33.70

33.89

33.85

30.87

35.94

Front half 270.04s · back half 269.67s

1500 Freestyle LCM 17:45.31

31.15

34.12

34.40

35.32

35.20

35.35

30.74

40.16

36.12

35.82

31.24

39.85

35.48

35.82

35.92

35.62

35.88

35.50

36.38

36.89

36.76

35.83

36.34

36.17

36.39

35.78

36.36

35.80

35.47

33.45

Front half 526.69s · back half 538.62s

100 Backstroke LCM 1:09.96

34.84

35.12

Front half 34.84s · back half 35.12s

200 Backstroke LCM 2:31.29 split/total mismatch

36.53

37.67

39.23

37.86

200 Breaststroke LCM 3:05.54 split/total mismatch

41.75

3.85

3.18

0.63

Front half 45.60s · back half 139.94s

100 Butterfly LCM 59.49 RT 0.81s

27.81

31.68

Front half 27.81s · back half 31.68s

200 Butterfly LCM 2:09.00

28.71

31.52

33.65

35.12

Front half 60.23s · back half 68.77s

200 Individual Medley LCM 2:25.61 split/total mismatch

31.36

37.71

45.16

31.38

400 Individual Medley LCM 5:02.74

30.44

34.95

40.32

38.71

45.68

46.49

33.89

32.26

Front half 144.42s · back half 158.32s

Reaction time

fastest 0.78s average 0.952s slowest 1.56s 5 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 23.49 12 swims

100 Freestyle SCY 50.13 18 swims

200 Freestyle SCY 1:45.34 42 swims

500 Freestyle SCY 4:44.77 20 swims

1000 Freestyle SCY 9:59.66 15 swims

1650 Freestyle SCY 17:03.87 5 swims

50 Backstroke SCY 28.70 3 swims

100 Backstroke SCY 56.38 27 swims

200 Backstroke SCY 2:02.89 22 swims

100 Breaststroke SCY 1:16.32 4 swims

200 Breaststroke SCY 2:28.43 3 swims

50 Butterfly SCY 23.60 18 swims

100 Butterfly SCY 50.93 50 swims

200 Butterfly SCY 1:49.99 48 swims

200 Individual Medley SCY 1:57.74 46 swims

400 Individual Medley SCY 4:06.45 21 swims

50 Freestyle LCM 27.36 5 swims

100 Freestyle LCM 59.91 6 swims

200 Freestyle LCM 2:03.64 11 swims

400 Freestyle LCM 4:25.27 10 swims

800 Freestyle LCM 8:59.71 5 swims

1500 Freestyle LCM 17:45.31 2 swims

100 Backstroke LCM 1:09.96 4 swims

200 Backstroke LCM 2:31.29 5 swims

200 Breaststroke LCM 3:05.54 2 swims

50 Butterfly LCM 27.76 3 swims

100 Butterfly LCM 59.49 14 swims

200 Butterfly LCM 2:09.00 14 swims

200 Individual Medley LCM 2:25.61 6 swims

400 Individual Medley LCM 5:02.74 4 swims