swimstats

Derek Chen

Mage 13CACCSIPVPBRIO

185 plausible swims · 28 meets · 2024-12-21 → 2026-07-26

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 26.45 A+0.86s to AA·+3.26s to Sectionals 2026-03-13 2026 SCS Spring Age Group Champs @ RMDA - copvenue
100 Freestyle SCY 58.34 BB+0.45s to A·+7.35s to Sectionals 2025-12-07 2025 Winter Coastal Champsvenue
200 Freestyle SCY 1:59.97 AA+3.88s to AAA·+8.18s to Sectionals 2026-03-14 2026 SCS Spring Age Group Champs @ RMDA - copvenue
500 Freestyle SCY 5:16.88 AA+3.59s to AAA·+14.19s to Sectionals 2026-03-13 2026 SCS Spring Age Group Champs @ RMDA - copvenue
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 32.22 BB+1.83s to A·+8.53s to Futures 2025-11-02 55th Annual David Graham Memorial Meetvenue
100 Backstroke SCY 1:08.86 BB+5.07s to A·+13.37s to Sectionals 2025-11-22 2025 CANY Cranberryvenue
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 35.74 BB+1.05s to A·+9.45s to Futures 2026-01-24 2026 SCS Swim Festivalvenue
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 28.08 AA+0.79s to AAA·+5.19s to Futures 2026-02-22 BUEN February Coastal Champsvenue
100 Butterfly SCY 1:03.17 A+2.58s to AA·+7.98s to Sectionals 2026-03-14 2026 SCS Spring Age Group Champs @ RMDA - copvenue
200 Butterfly SCY 2:25.49 BB+3.80s to A·+22.10s to Sectionals 2025-12-20 2025 SI Winter Age Group Championshipsvenue
100 Individual Medley SCY 1:04.37 2026-03-14 2026 SCS Spring Age Group Champs @ RMDA - copvenue
200 Individual Medley SCY 2:16.83 A+1.54s to AA·+12.84s to Sectionals 2026-02-22 BUEN February Coastal Champsvenue
400 Individual Medley SCY 4:51.60 A+1.81s to AA·+26.91s to Sectionals 2025-12-20 2025 SI Winter Age Group Championshipsvenue
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

3654 points (6/6 events)

EventTime 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

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 1:59.97

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
33.08
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 2:15.02

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 26.45 7 swims
100 Freestyle SCY 58.34 7 swims
200 Freestyle SCY 1:59.97 12 swims
500 Freestyle SCY 5:16.88 12 swims
1650 Freestyle SCY 18:10.82 1 swim
50 Backstroke SCY 32.22 3 swims
100 Backstroke SCY 1:08.86 5 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 8 swims
200 Butterfly SCY 2:25.49 1 swim
100 Individual Medley SCY 1:04.37 6 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 2:15.02 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