Derek Chen

Mage 13CACCSIPVPBRIO

184 plausible swims · 29 meets · 2024-12-21 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	26.45	A+0.86s to AA	2026-03-13	2026 SCS Spring Age Group Champs @ RMDA - cop venue
100 Freestyle	SCY	58.34	BB+0.45s to A	2025-12-07	2025 Winter Coastal Champs venue
200 Freestyle	SCY	1:59.97	AA+3.88s to AAA	2026-03-14	2026 SCS Spring Age Group Champs @ RMDA - cop venue
500 Freestyle	SCY	5:16.88	AA+3.59s to AAA	2026-03-13	2026 SCS Spring Age Group Champs @ RMDA - cop venue
1650 Freestyle	SCY	18:10.82	AA+0.63s to AAA	2026-03-12	2026 SCS Spring Age Group Champs @ RMDA - cop venue
50 Backstroke	SCY	32.22	BB+1.83s to A	2025-11-02	55th Annual David Graham Memorial Meet venue
100 Backstroke	SCY	1:08.86	BB+5.07s to A	2025-11-22	2025 CANY Cranberry venue
200 Backstroke	SCY	2:24.90	BB+5.91s to A	2025-12-07	2025 Winter Coastal Champs venue
50 Breaststroke	SCY	35.74	BB+1.05s to A	2026-01-24	2026 SCS Swim Festival venue
100 Breaststroke	SCY	1:15.23	BB+2.94s to A	2025-10-12	2025 CA Paseo Fall Kickoff Season Opener venue
200 Breaststroke	SCY	2:39.99	BB+3.20s to A	2025-10-11	2025 CA Paseo Fall Kickoff Season Opener venue
50 Butterfly	SCY	28.08	AA+0.79s to AAA	2026-02-22	BUEN February Coastal Champs venue
100 Butterfly	SCY	1:03.17	A+2.58s to AA	2026-03-14	2026 SCS Spring Age Group Champs @ RMDA - cop venue
200 Butterfly	SCY	2:25.49	BB+3.80s to A	2025-12-20	2025 SI Winter Age Group Championships venue
100 Individual Medley	SCY	1:04.37		2026-03-14	2026 SCS Spring Age Group Champs @ RMDA - cop venue
200 Individual Medley	SCY	2:16.83	A+1.54s to AA	2026-02-22	BUEN February Coastal Champs venue
400 Individual Medley	SCY	4:51.60	A+1.81s to AA	2025-12-20	2025 SI Winter Age Group Championships venue
50 Freestyle	LCM	29.42	A+0.13s to AA	2026-05-24	2026 CA 30th NOVA-Speedo Grand Challenge venue
100 Freestyle	LCM	1:07.24	BB+0.15s to A	2025-06-13	2025 CA SCS RAA June Age Group Championships venue
200 Freestyle	LCM	2:18.10	AA+4.51s to AAA	2025-07-24	2025 CA SCS Summer A/G Champs
400 Freestyle	LCM	4:45.15	AA+2.36s to AAA	2026-06-13	2026 SCS June AG Invite-CANY venue
800 Freestyle	LCM	9:54.14	AA+3.85s to AAA	2026-06-14	2026 SCS June AG Invite-CANY venue
50 Backstroke	LCM	34.40	A+0.51s to AA	2026-05-23	2026 CA 30th NOVA-Speedo Grand Challenge venue
100 Backstroke	LCM	1:16.47	BB+1.58s to A	2026-06-14	2026 SCS June AG Invite-CANY venue
50 Breaststroke	LCM	40.99	BB+1.60s to A	2025-07-24	2025 CA SCS Summer A/G Champs
100 Breaststroke	LCM	1:24.86	BB+1.57s to A	2026-05-23	2026 CA 30th NOVA-Speedo Grand Challenge venue
50 Butterfly	LCM	32.10	A+0.01s to AA	2026-06-13	2026 SCS June AG Invite-CANY venue
100 Butterfly	LCM	1:10.99	A+1.90s to AA	2026-05-23	2026 CA 30th NOVA-Speedo Grand Challenge venue
200 Butterfly	LCM	2:28.19	AAA+6.50s to AAAA	2026-06-12	2026 SCS June AG Invite-CANY venue
200 Individual Medley	LCM	2:34.22	AA+4.63s to AAA	2026-06-12	2026 SCS June AG Invite-CANY venue
400 Individual Medley	LCM	5:26.49	AA+6.90s to AAA	2026-05-22	BUEN Memorial Day LC Meet venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	25.87	flying	200 Free Relay (leg 4)	2026-02-21	BUEN February Coastal Champs
100 Freestyle	SCY	56.22	flying	400 Free Relay (leg 4)	2025-12-20	2025 SI Winter Age Group Championships
50 Butterfly	SCY	29.16	flying	200 Medley Relay (leg 3)	2026-02-22	BUEN February Coastal Champs
50 Freestyle	LCM	28.70	flying	200 Free Relay (leg 4)	2026-06-11	2026 SCS June AG Invite-CANY

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 13-14 · SCY

3654 points (6/6 events)

Event	Time	Points
500 FR SCY	5:16.88	760
200 BK SCY	2:24.90	512
200 BR SCY	2:39.99	551
200 FL SCY	2:25.49	527
200 IM SCY	2:16.83	649
400 IM SCY	4:51.60	655

IMR 13-14 · LCM

3142 points (5/5 events)

Event	Time	Points
200 FR LCM	2:18.10	706
100 BK LCM	1:16.47	553
100 BR LCM	1:24.86	568
100 FL LCM	1:10.99	612
200 IM LCM	2:34.22	703

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

PR splits

100 Freestyle SCY 58.34

28.34

30.00

Front half 28.34s · back half 30.00s

200 Freestyle SCY 1:59.97

28.28

30.58

31.14

29.97

Front half 58.86s · back half 61.11s

500 Freestyle SCY 5:16.88

28.58

31.57

32.12

31.94

32.27

32.50

33.20

32.45

31.97

30.28

Front half 156.48s · back half 160.40s

1650 Freestyle SCY 18:10.82

28.48

32.00

32.64

32.73

33.08

33.45

33.34

32.89

33.40

33.36

33.22

33.75

33.20

33.33

33.11

33.17

33.41

32.98

33.64

33.57

33.63

32.78

33.59

33.24

33.88

33.36

33.60

34.04

33.75

33.83

32.43

30.86

100 Backstroke SCY 1:08.86

33.44

35.42

Front half 33.44s · back half 35.42s

200 Backstroke SCY 2:24.90

33.51

37.44

38.13

35.82

Front half 70.95s · back half 73.95s

100 Breaststroke SCY 1:15.23

36.09

39.14

Front half 36.09s · back half 39.14s

200 Breaststroke SCY 2:39.99

35.89

40.37

42.20

41.53

Front half 76.26s · back half 83.73s

100 Butterfly SCY 1:03.17

29.48

33.69

Front half 29.48s · back half 33.69s

200 Butterfly SCY 2:25.49

32.89

36.65

37.95

38.00

Front half 69.54s · back half 75.95s

100 Individual Medley SCY 1:04.37

30.02

34.35

Front half 30.02s · back half 34.35s

200 Individual Medley SCY 2:16.83

30.37

35.55

40.79

30.12

Front half 65.92s · back half 70.91s

400 Individual Medley SCY 4:51.60

31.74

36.43

37.57

37.30

43.43

42.18

32.43

30.52

Front half 143.04s · back half 148.56s

100 Freestyle LCM 1:07.24

32.17

35.07

Front half 32.17s · back half 35.07s

200 Freestyle LCM 2:18.10 RT 0.75s

32.67

35.63

36.38

33.42

Front half 68.30s · back half 69.80s

400 Freestyle LCM 4:45.15

32.34

35.68

36.15

37.04

37.01

36.68

36.22

34.03

Front half 141.21s · back half 143.94s

800 Freestyle LCM 9:54.14

69.44

74.59

75.04

75.80

75.74

75.20

75.62

72.71

Front half 294.87s · back half 299.27s

100 Backstroke LCM 1:16.47

37.62

38.85

Front half 37.62s · back half 38.85s

100 Breaststroke LCM 1:24.86

40.55

44.31

Front half 40.55s · back half 44.31s

100 Butterfly LCM 1:10.99

34.38

36.61

Front half 34.38s · back half 36.61s

200 Butterfly LCM 2:28.19

32.74

39.06

38.59

37.80

Front half 71.80s · back half 76.39s

200 Individual Medley LCM 2:34.22

33.16

40.73

46.12

34.21

Front half 73.89s · back half 80.33s

400 Individual Medley LCM 5:26.49

34.84

40.55

41.59

42.20

47.76

47.82

36.33

35.40

Front half 159.18s · back half 167.31s

Reaction time

fastest 0.57s average 0.699s slowest 0.76s 9 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 26.45 8 swims

100 Freestyle SCY 58.34 7 swims

200 Freestyle SCY 1:59.97 13 swims

500 Freestyle SCY 5:16.88 13 swims

1650 Freestyle SCY 18:10.82 1 swim

50 Backstroke SCY 32.22 3 swims

100 Backstroke SCY 1:08.86 6 swims

200 Backstroke SCY 2:24.90 3 swims

50 Breaststroke SCY 35.74 5 swims

100 Breaststroke SCY 1:15.23 7 swims

200 Breaststroke SCY 2:39.99 3 swims

50 Butterfly SCY 28.08 6 swims

100 Butterfly SCY 1:03.17 9 swims

200 Butterfly SCY 2:25.49 1 swim

100 Individual Medley SCY 1:04.37 7 swims

200 Individual Medley SCY 2:16.83 13 swims

400 Individual Medley SCY 4:51.60 4 swims

50 Freestyle LCM 29.42 5 swims

100 Freestyle LCM 1:07.24 5 swims

200 Freestyle LCM 2:18.10 2 swims

400 Freestyle LCM 4:45.15 12 swims

800 Freestyle LCM 9:54.14 3 swims

50 Backstroke LCM 34.40 4 swims

100 Backstroke LCM 1:16.47 9 swims

50 Breaststroke LCM 40.99 4 swims

100 Breaststroke LCM 1:24.86 3 swims

50 Butterfly LCM 32.10 8 swims

100 Butterfly LCM 1:10.99 4 swims

200 Butterfly LCM 2:28.19 2 swims

200 Individual Medley LCM 2:34.22 12 swims

400 Individual Medley LCM 5:26.49 2 swims