Derek Chen

Mage 13CACCSIPVPBRIO

198 plausible swims · 30 meets · 2024-12-21 → 2026-10-11

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 24.97 AA+0.58s to AAA·+1.78s to Sectionals 2026-10-03 2026 PVST Funky Five Pentathlonvenue
100 Freestyle SCY 58.34 BB+0.45s to A·+7.35s to Sectionals 2025-12-07 2025 Winter Coastal Champsvenue
200 Freestyle SCY 1:56.52 AA+0.43s to AAA·+4.73s to Sectionals 2026-10-11 2026 CA Paseo Fall Kickoff Season Openervenue
500 Freestyle SCY 5:06.78 AAA+7.79s to AAAA·+4.09s to Sectionals 2026-10-11 2026 CA Paseo Fall Kickoff Season Openervenue
1000 Freestyle SCY 10:40.34 AAA+21.65s to AAAA·+6.35s to Sectionals 2026-10-10 2026 CA Paseo Fall Kickoff Season Openervenue
1650 Freestyle SCY 18:10.82 AA+0.63s to AAA·+33.93s to Sectionals 2026-03-12 2026 SCS Spring Age Group Champs @ RMDA - copvenue
50 Backstroke SCY 29.85 A+0.76s to AA·+6.16s to Futures 2026-10-03 2026 PVST Funky Five Pentathlonvenue
100 Backstroke SCY 1:03.18 A+2.09s to AA·+7.69s to Sectionals 2026-10-10 2026 CA Paseo Fall Kickoff Season Openervenue
200 Backstroke SCY 2:24.90 BB+5.91s to A·+23.61s to Sectionals 2025-12-07 2025 Winter Coastal Champsvenue
50 Breaststroke SCY 33.25 AA+1.46s to AAA·+6.96s to Futures 2026-10-03 2026 PVST Funky Five Pentathlonvenue
100 Breaststroke SCY 1:15.23 BB+2.94s to A·+12.04s to Sectionals 2025-10-12 2025 CA Paseo Fall Kickoff Season Openervenue
200 Breaststroke SCY 2:39.99 BB+3.20s to A·+22.70s to Sectionals 2025-10-11 2025 CA Paseo Fall Kickoff Season Openervenue
50 Butterfly SCY 27.11 AAA+1.12s to AAAA·+4.22s to Futures 2026-10-03 2026 PVST Funky Five Pentathlonvenue
100 Butterfly SCY 1:00.75 A+0.16s to AA·+5.56s to Sectionals 2026-10-10 2026 CA Paseo Fall Kickoff Season Openervenue
200 Butterfly SCY 2:12.06 AA+2.17s to AAA·+8.67s to Sectionals 2026-10-11 2026 CA Paseo Fall Kickoff Season Openervenue
100 Individual Medley SCY 1:02.62 2026-10-03 2026 PVST Funky Five Pentathlonvenue
200 Individual Medley SCY 2:15.57 A+0.28s to AA·+11.58s to Sectionals 2026-10-11 2026 CA Paseo Fall Kickoff Season Openervenue
400 Individual Medley SCY 4:37.69 AA+0.50s to AAA·+13.00s to Sectionals 2026-10-10 2026 CA Paseo Fall Kickoff Season Openervenue
50 Freestyle LCM 29.42 A+0.13s to AA·+2.43s to Sectionals 2026-05-24 2026 CA 30th NOVA-Speedo Grand Challengevenue
100 Freestyle LCM 1:07.24 BB+0.15s to A·+8.25s to Sectionals 2025-06-13 2025 CA SCS RAA June Age Group Championshipsvenue
200 Freestyle LCM 2:15.02 AA+1.43s to AAA·+6.33s to Sectionals 2026-07-24 2026 CA SCS Summer A/G Champsvenue
400 Freestyle LCM 4:40.99 AAA+11.00s to AAAA·+6.60s to Sectionals 2026-07-25 2026 CA SCS Summer A/G Champsvenue
800 Freestyle LCM 9:42.75 AAA+19.26s to AAAA·+12.76s to Sectionals 2026-07-26 2026 CA SCS Summer A/G Champsvenue
1500 Freestyle LCM 18:45.42 AAA+46.23s to AAAA·+34.33s to Sectionals 2026-07-23 2026 CA SCS Summer A/G Champsvenue
50 Backstroke LCM 34.40 A+0.51s to AA·+6.51s to Futures 2026-05-23 2026 CA 30th NOVA-Speedo Grand Challengevenue
100 Backstroke LCM 1:16.47 BB+1.58s to A·+11.28s to Sectionals 2026-06-14 2026 SCS June AG Invite-CANYvenue
50 Breaststroke LCM 40.99 BB+1.60s to A·+10.10s to Futures 2025-07-24 2025 CA SCS Summer A/G Champs
100 Breaststroke LCM 1:24.86 BB+1.57s to A·+11.16s to Sectionals 2026-05-23 2026 CA 30th NOVA-Speedo Grand Challengevenue
50 Butterfly LCM 32.10 A+0.01s to AA·+5.81s to Futures 2026-06-13 2026 SCS June AG Invite-CANYvenue
100 Butterfly LCM 1:10.99 A+1.90s to AA·+7.90s to Sectionals 2026-05-23 2026 CA 30th NOVA-Speedo Grand Challengevenue
200 Butterfly LCM 2:28.19 AAA+6.50s to AAAA·+7.10s to Sectionals 2026-06-12 2026 SCS June AG Invite-CANYvenue
200 Individual Medley LCM 2:32.07 AA+2.48s to AAA·+7.38s to Sectionals 2026-07-25 2026 CA SCS Summer A/G Champsvenue
400 Individual Medley LCM 5:19.76 AA+0.17s to AAA·+11.97s to Sectionals 2026-07-24 2026 CA SCS Summer A/G Champsvenue

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

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 27.16 flying 200 Medley Relay (leg 4) 2026-01-24 2026 SCS Swim Festival
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

4031 points (6/6 events)

EventTime Points
500 FR SCY 5:06.78 838
200 BK SCY 2:24.90 512
200 BR SCY 2:39.99 551
200 FL SCY 2:12.06 705
200 IM SCY 2:15.57 667
400 IM SCY 4:37.69 758

IMR 13-14 · LCM

3222 points (5/5 events)

EventTime Points
200 FR LCM 2:15.02 755
100 BK LCM 1:16.47 553
100 BR LCM 1:24.86 568
100 FL LCM 1:10.99 612
200 IM LCM 2:32.07 734

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 1:56.52

27.22
29.36
30.42
29.52

Front half 56.58s · back half 59.94s

500 Freestyle SCY 5:06.78

27.44
30.67
31.13
31.64
31.19
31.56
31.73
31.24
31.01
29.17

Front half 152.07s · back half 154.71s

1000 Freestyle SCY 10:40.34

26.83
30.07
31.68
32.17
32.51
32.61
32.49
32.58
32.72
32.73
32.49
32.77
33.08
32.60
32.86
32.65
32.09
32.66
32.37
30.38

Front half 316.39s · back half 323.95s

1650 Freestyle SCY 18:10.82

28.48
32.00
32.64
32.73
33.08
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 1:03.18

30.32
32.86

Front half 30.32s · back half 32.86s

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 1:00.75

28.71
32.04

Front half 28.71s · back half 32.04s

200 Butterfly SCY 2:12.06

29.26
34.02
35.22
33.56

Front half 63.28s · back half 68.78s

100 Individual Medley SCY 1:02.62

29.71
32.91

Front half 29.71s · back half 32.91s

200 Individual Medley SCY 2:15.57

30.08
75.47
30.02

400 Individual Medley SCY 4:37.69

29.19
33.23
36.96
35.73
39.57
40.45
31.60
30.96

Front half 135.11s · back half 142.58s

100 Freestyle LCM 1:07.24

32.17
35.07

Front half 32.17s · back half 35.07s

200 Freestyle LCM 2:15.02

31.79
35.11
34.88
33.24

Front half 66.90s · back half 68.12s

400 Freestyle LCM 4:40.99

32.45
35.07
35.74
36.55
35.52
36.18
35.29
34.19

Front half 139.81s · back half 141.18s

800 Freestyle LCM 9:42.75

32.33
35.50
36.22
37.03
37.21
37.31
37.48
36.88
37.25
37.34
37.25
37.11
36.56
36.97
36.37
33.94

Front half 289.96s · back half 292.79s

1500 Freestyle LCM 18:45.42

32.17
35.63
36.44
37.04
36.99
36.79
37.42
37.38
38.22
37.11
37.92
38.50
37.94
37.79
37.99
38.07
37.85
38.21
37.73
38.14
37.97
38.21
38.19
37.62
39.44
38.33
38.70
38.44
37.17
36.02

Front half 555.33s · back half 570.09s

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 2:32.07

34.20
38.80
45.50
33.57

Front half 73.00s · back half 79.07s

400 Individual Medley LCM 5:19.76

34.25
39.19
41.43
40.08
46.09
47.35
36.56
34.81

Front half 154.95s · back half 164.81s

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.

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 24.97 8 swims
100 Freestyle SCY 58.34 7 swims
200 Freestyle SCY 1:56.52 13 swims
500 Freestyle SCY 5:06.78 13 swims
1000 Freestyle SCY 10:40.34 1 swim
1650 Freestyle SCY 18:10.82 1 swim
50 Backstroke SCY 29.85 4 swims
100 Backstroke SCY 1:03.18 6 swims
200 Backstroke SCY 2:24.90 3 swims
50 Breaststroke SCY 33.25 6 swims
100 Breaststroke SCY 1:15.23 7 swims
200 Breaststroke SCY 2:39.99 3 swims
50 Butterfly SCY 27.11 7 swims
100 Butterfly SCY 1:00.75 9 swims
200 Butterfly SCY 2:12.06 2 swims
100 Individual Medley SCY 1:02.62 7 swims
200 Individual Medley SCY 2:15.57 14 swims
400 Individual Medley SCY 4:37.69 5 swims
50 Freestyle LCM 29.42 5 swims
100 Freestyle LCM 1:07.24 5 swims
200 Freestyle LCM 2:15.02 4 swims
400 Freestyle LCM 4:40.99 11 swims
800 Freestyle LCM 9:42.75 5 swims
1500 Freestyle LCM 18:45.42 1 swim
50 Backstroke LCM 34.40 4 swims
100 Backstroke LCM 1:16.47 7 swims
50 Breaststroke LCM 40.99 4 swims
100 Breaststroke LCM 1:24.86 3 swims
50 Butterfly LCM 32.10 6 swims
100 Butterfly LCM 1:10.99 4 swims
200 Butterfly LCM 2:28.19 3 swims
200 Individual Medley LCM 2:32.07 15 swims
400 Individual Medley LCM 5:19.76 3 swims