David Chen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 16.10 | 2025-05-18 | 2025 John DeRoest Sextathlon Swim Meet fast pool | |
| 50 Freestyle | SCY | 32.10 | BB+0.91s to A | 2026-02-22 | 2026 Arena Short Course 10&U Championships venue |
| 100 Freestyle | SCY | 1:14.70 | BB+4.51s to A | 2026-01-18 | 2026 THSC 14&U Winter Showcase venue |
| 200 Freestyle | SCY | 2:58.00 | B+7.31s to BB | 2025-11-08 | 2025 THSC November Open venue |
| 25 Backstroke | SCY | 20.22 | 2025-05-17 | 2025 John DeRoest Sextathlon Swim Meet fast pool | |
| 50 Backstroke | SCY | 39.98 | BB+2.19s to A | 2026-05-16 | 2026 John DeRoest Sextathlon Swim Meet fast pool |
| 100 Backstroke | SCY | 1:24.28 | BB+4.39s to A | 2026-01-17 | 2026 THSC 14&U Winter Showcase venue |
| 25 Breaststroke | SCY | 21.90 | 2025-04-25 | 2025 THSC April FNT venue | |
| 50 Breaststroke | SCY | 38.83 | AA+0.54s to AAA | 2024-11-08 | 2024 THSC November Invitational |
| 100 Breaststroke | SCY | 1:34.77 | BB+3.08s to A | 2026-03-20 | 2026 NW Region Age Group Champs- Approved venue |
| 25 Butterfly | SCY | 18.68 | 2025-05-17 | 2025 John DeRoest Sextathlon Swim Meet | |
| 50 Butterfly | SCY | 37.25 | BB+1.16s to A | 2026-02-22 | 2026 Arena Short Course 10&U Championships venue |
| 100 Butterfly | SCY | 1:24.35 | A+4.56s to AA | 2026-03-19 | 2026 NW Region Age Group Champs- Approved |
| 100 Individual Medley | SCY | 1:24.60 | BB+4.71s to A | 2026-05-17 | 2026 John DeRoest Sextathlon Swim Meet fast pool |
| 200 Individual Medley | SCY | 3:00.60 | BB+7.11s to A | 2026-01-16 | 2026 THSC 14&U Winter Showcase venue |
| 50 Freestyle | LCM | 37.71 | BB+2.02s to A | 2026-06-27 | 2026 PN SMAC Summer Classic Invite- Approved venue |
| 100 Freestyle | LCM | 1:26.96 | BB+6.77s to A | 2026-05-24 | 2026 THSC Memorial Weekend Meet venue |
| 200 Freestyle | LCM | 3:07.78 | BB+14.09s to A | 2026-05-23 | 2026 THSC Memorial Weekend Meet venue |
| 400 Freestyle | LCM | 6:48.54 | BB+41.35s to A | 2026-06-12 | 2026 THSC June Open venue |
| 50 Backstroke | LCM | 44.46 | BB+1.37s to A | 2026-05-24 | 2026 THSC Memorial Weekend Meet venue |
| 100 Backstroke | LCM | 1:37.23 | BB+4.94s to A | 2026-05-22 | 2026 THSC Memorial Weekend Meet |
| 50 Breaststroke | LCM | 49.72 | BB+1.83s to A | 2026-06-14 | 2026 THSC June Open venue |
| 100 Breaststroke | LCM | 1:52.14 | BB+6.55s to A | 2026-05-02 | 2026 THSC Spring Invite venue |
| 50 Butterfly | LCM | 41.74 | BB+1.15s to A | 2026-05-23 | 2026 THSC Memorial Weekend Meet venue |
| 100 Butterfly | LCM | 1:32.67 | A+1.98s to AA | 2026-06-27 | 2026 PN SMAC Summer Classic Invite- Approved venue |
| 200 Individual Medley | LCM | 3:20.59 | BB+2.30s to A | 2026-05-24 | 2026 THSC Memorial Weekend Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Breaststroke | SCY | 47.90 | flying | 200 Medley Relay (leg 2) | 2025-01-19 | 2025 Thunderbolt Round Robin Invitational |
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 10 & under · LCM
2894 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 3:07.78 | 527 |
| 100 BK LCM | 1:37.23 | 556 |
| 100 BR LCM | 1:52.14 | 546 |
| 100 FL LCM | 1:32.67 | 633 |
| 200 IM LCM | 3:20.59 | 632 |
IMR 10 & under · SCY
3005 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:14.70 | 536 |
| 50 BK SCY | 39.98 | 521 |
| 50 BR SCY | 38.83 | 823 |
| 50 FL SCY | 37.25 | 564 |
| 100 IM SCY | 1:24.60 | 561 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:14.70
Front half 35.89s · back half 38.81s
200 Freestyle SCY 2:58.00
Front half 85.47s · back half 92.53s
100 Backstroke SCY 1:24.28
Front half 41.67s · back half 42.61s
100 Breaststroke SCY 1:34.77 RT 0.63s
Front half 44.31s · back half 50.46s
100 Individual Medley SCY 1:24.60
Front half 39.31s · back half 45.29s
200 Individual Medley SCY 3:00.60
100 Freestyle LCM 1:26.96
Front half 41.69s · back half 45.27s
200 Freestyle LCM 3:07.78
Front half 89.38s · back half 98.40s
400 Freestyle LCM 6:48.54
Front half 196.68s · back half 211.86s
100 Breaststroke LCM 1:52.14
Front half 51.76s · back half 60.38s
200 Individual Medley LCM 3:20.59
Front half 97.21s · back half 103.38s
Reaction time
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.