swimstats

Derek Shen

Mage 15CAPCGREENNOVAUNAT

128 plausible swims · 20 meets · 2025-01-25 → 2026-07-19

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 21.98 AAA+0.29s to AAAA·Sectionals ✓+0.69s to Futures 2025-12-12 2025 CA SCS/SCAT WAGvenue
100 Freestyle SCY 47.12 AAAA·Sectionals ✓+0.73s to Futures 2025-12-14 2025 CA SCS/SCAT WAGvenue
200 Freestyle SCY 1:39.84 AAAA·Futures ✓+1.45s to Winter JNs 2026-02-27 2026 SI CA/NV Speedo Sectionals Oceansidevenue
500 Freestyle SCY 4:45.46 AAA+3.17s to AAAA·Sectionals ✓+8.37s to Futures 2026-02-28 2026 SI CA/NV Speedo Sectionals Oceansidevenue
50 Backstroke SCY 27.46 A+0.57s to AA·+3.77s to Futures 2025-09-20 CA 2025 NOVA Back-to-School Meetvenue
100 Backstroke SCY 1:01.22 BB+1.63s to A·+5.73s to Sectionals 2025-11-22 2025 Southern Pacific Invitevenue
50 Breaststroke SCY 30.47 AA+0.98s to AAA·+4.18s to Futures 2025-09-20 CA 2025 NOVA Back-to-School Meetvenue
100 Breaststroke SCY 1:04.26 AA+2.47s to AAA·+1.07s to Sectionals 2025-12-12 2025 CA SCS/SCAT WAGvenue
50 Butterfly SCY 23.85 AAAA·+0.96s to Futures 2025-11-24 2025 Southern Pacific Invitevenue
100 Butterfly SCY 52.34 AAA+0.85s to AAAA·Sectionals ✓+1.75s to Futures 2025-12-13 2025 CA SCS/SCAT WAGvenue
200 Butterfly SCY 2:04.13 AA+3.14s to AAA·+0.74s to Sectionals 2025-11-23 2025 Southern Pacific Invitevenue
100 Individual Medley SCY 58.58 2025-09-20 CA 2025 NOVA Back-to-School Meetvenue
200 Individual Medley SCY 2:03.70 AA+2.51s to AAA·Sectionals ✓+9.81s to Futures 2025-11-01 2025 "Our Rising Tides" 16u SCY P/F Meetvenue
50 Freestyle LCM 24.78 AAAA·Sectionals ✓+0.19s to Futures 2026-07-19 2026 CA/NV Summer Speedo Sectionals @ BREA -venue
100 Freestyle LCM 52.56 AAAA·Winter JNs ✓+0.57s to Jr Nationals 2026-07-16 2026 CA/NV Summer Speedo Sectionals @ BREA -venue
200 Freestyle LCM 1:55.83 AAAA·Futures ✓+0.54s to Winter JNs 2026-07-17 2026 CA/NV Summer Speedo Sectionals @ BREA -venue
400 Freestyle LCM 4:17.37 AAA+1.78s to AAAA·Sectionals ✓+7.38s to Futures 2026-07-18 2026 CA/NV Summer Speedo Sectionals @ BREA -venue
50 Butterfly LCM 26.71 AAAA·+0.42s to Futures 2026-07-19 2026 CA/NV Summer Speedo Sectionals @ BREA -venue
100 Butterfly LCM 1:00.36 AAA+1.47s to AAAA·Sectionals ✓+2.37s to Futures 2026-05-23 2026 CA 30th NOVA-Speedo Grand Challengevenue
200 Individual Medley LCM 2:22.22 AA+1.73s to AAA·Sectionals ✓+9.43s to Futures 2026-06-05 2026 FAST 4th Annual Jon Urbanchek Invitationvenue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

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 22.14 flying 200 Medley Relay (leg 4) 2025-03-16 2025 SCS Spring Age Group Champs @ Armada
50 Freestyle SCY 21.32 flying 200 Free Relay (leg 4) 2025-12-12 2025 CA SCS/SCAT WAG
100 Freestyle SCY 48.65 flying 400 Free Relay (leg 4) 2025-03-14 2025 SCS Spring Age Group Champs @ Armada
100 Freestyle SCY 47.87 flying 400 Medley Relay (leg 4) 2025-03-15 2025 SCS Spring Age Group Champs @ Armada
50 Butterfly SCY 24.60 flying 200 Medley Relay (leg 3) 2025-01-26 2025 SCS All-Star Festival
100 Butterfly SCY 53.81 flying 400 Medley Relay (leg 3) 2025-01-25 2025 SCS All-Star Festival
50 Freestyle LCM 25.19 flying 200 Medley Relay (leg 4) 2025-07-19 2025 SCS 14-Under Elite A/G Champs at MVN
50 Freestyle LCM 24.37 flying 200 Free Relay (leg 2) 2026-07-16 2026 CA/NV Summer Speedo Sectionals @ BREA -
100 Freestyle LCM 54.91 flat 400 Free Relay 2025-07-20 2025 SCS 14-Under Elite A/G Champs at MVN
100 Freestyle LCM 54.56 flying 400 Medley Relay (leg 4) 2025-07-18 2025 SCS 14-Under Elite A/G Champs at MVN
200 Freestyle LCM 1:59.74 flat 800 Free Relay 2025-07-17 2025 SCS 14-Under Elite A/G Champs at MVN
200 Freestyle LCM 1:57.64 flying 800 Free Relay (leg 3) 2026-07-17 2026 CA/NV Summer Speedo Sectionals @ BREA -

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

2420 points (3/6 events — incomplete)

EventTime Points
500 FR SCY 4:45.46 906
200 FL SCY 2:04.13 748
200 IM SCY 2:03.70 766
200 BK SCY— 0
200 BR SCY— 0
400 IM SCY— 0

IMR 15-16 · SCY

4014 points (5/5 events)

EventTime Points
200 FR SCY 1:39.84 1066
100 BK SCY 1:01.22 567
100 BR SCY 1:04.26 723
100 FL SCY 52.34 892
200 IM SCY 2:03.70 766

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

PR splits

100 Freestyle SCY 47.12

23.15
23.97

Front half 23.15s · back half 23.97s

200 Freestyle SCY 1:39.84

24.05
25.33
25.39
25.07

Front half 49.38s · back half 50.46s

500 Freestyle SCY 4:45.46

26.35
28.20
28.73
29.63
29.14
28.94
29.59
29.16
28.61
27.11

Front half 142.05s · back half 143.41s

100 Backstroke SCY 1:01.22

29.83
31.39

Front half 29.83s · back half 31.39s

100 Breaststroke SCY 1:04.26

30.68
33.58

Front half 30.68s · back half 33.58s

100 Butterfly SCY 52.34

25.33
27.01

Front half 25.33s · back half 27.01s

200 Butterfly SCY 2:04.13

27.55
31.39
32.79
32.40

Front half 58.94s · back half 65.19s

100 Individual Medley SCY 58.58

28.43
30.15

Front half 28.43s · back half 30.15s

200 Individual Medley SCY 2:03.70

26.31
34.31
37.40
25.68

Front half 60.62s · back half 63.08s

100 Freestyle LCM 52.56 RT 0.72s

25.55
27.01

Front half 25.55s · back half 27.01s

200 Freestyle LCM 1:55.83 RT 0.74s

27.11
29.65
29.73
29.34

Front half 56.76s · back half 59.07s

400 Freestyle LCM 4:17.37 RT 0.75s

28.83
31.58
33.08
33.35
32.87
32.94
33.19
31.53

Front half 126.84s · back half 130.53s

100 Butterfly LCM 1:00.36

28.65
31.71

Front half 28.65s · back half 31.71s

200 Individual Medley LCM 2:22.22

30.10
39.56
43.75
28.81

Front half 69.66s · back half 72.56s

Reaction time

fastest 0.69s average 0.726s slowest 0.75s 8 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 21.98 13 swims
100 Freestyle SCY 47.12 10 swims
200 Freestyle SCY 1:39.84 12 swims
500 Freestyle SCY 4:45.46 6 swims
50 Backstroke SCY 27.46 1 swim
100 Backstroke SCY 1:01.22 2 swims
50 Breaststroke SCY 30.47 1 swim
100 Breaststroke SCY 1:04.26 4 swims
50 Butterfly SCY 23.85 4 swims
100 Butterfly SCY 52.34 12 swims
200 Butterfly SCY 2:04.13 2 swims
100 Individual Medley SCY 58.58 1 swim
200 Individual Medley SCY 2:03.70 4 swims
50 Freestyle LCM 24.78 8 swims
100 Freestyle LCM 52.56 13 swims
200 Freestyle LCM 1:55.83 10 swims
400 Freestyle LCM 4:17.37 8 swims
50 Butterfly LCM 26.71 3 swims
100 Butterfly LCM 1:00.36 9 swims
200 Individual Medley LCM 2:22.22 3 swims