swimJonathan Chen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.14 | BB+1.45s to A | 2025-12-05 | 2025 Gulf Age Group Championships |
| 100 Freestyle | SCY | 1:00.29 | BB+2.40s to A | 2026-02-20 | 2026 Gulf 12 & Under Championships |
| 200 Freestyle | SCY | 2:11.46 | BB+4.77s to A | 2026-02-20 | 2026 Gulf 12 & Under Championships |
| 500 Freestyle | SCY | 5:55.94 | BB+14.25s to A | 2026-01-09 | 2026 Tracey Harper-Santiago Memorial Meet |
| 50 Backstroke | SCY | 32.17 | BB+1.78s to A | 2025-12-05 | 2025 Gulf Age Group Championships |
| 100 Backstroke | SCY | 1:08.36 | BB+4.57s to A | 2026-02-20 | 2026 Gulf 12 & Under Championships |
| 200 Backstroke | SCY | 2:43.05 | +0.96s to B | 2025-01-11 | 2025 Tracey Harper-Santiago Memorial Meet venue |
| 50 Breaststroke | SCY | 38.67 | B+1.08s to BB | 2025-12-05 | 2025 Gulf Age Group Championships |
| 100 Breaststroke | SCY | 1:27.08 | +2.79s to B | 2025-12-05 | 2025 Gulf Age Group Championships |
| 50 Butterfly | SCY | 29.90 | BB+0.21s to A | 2024-07-20 | 2024 LSST GULF B & Under Champs |
| 100 Butterfly | SCY | 1:27.38 | +13.59s to B | 2024-01-14 | 2024 Tracey Harper-Santiago Memorial Meet venue |
| 100 Individual Medley | SCY | 1:12.80 | 2025-12-05 | 2025 Gulf Age Group Championships | |
| 200 Individual Medley | SCY | 2:30.10 | BB+8.91s to A | 2026-02-20 | 2026 Gulf 12 & Under Championships |
| 50 Freestyle | LCM | 30.66 | BB+0.07s to A | 2026-06-11 | 2026 ST NIST George Block Invitational |
| 100 Freestyle | LCM | 1:06.84 | A+2.55s to AA | 2026-06-11 | 2026 ST NIST George Block Invitational fast pool |
| 200 Freestyle | LCM | 2:26.06 | BB+0.37s to A | 2026-06-13 | 2026 ST NIST George Block Invitational fast pool |
| 400 Freestyle | LCM | 5:07.83 | A+12.14s to AA | 2026-06-11 | 2026 ST NIST George Block Invitational |
| 50 Backstroke | LCM | 35.00 | A+1.11s to AA | 2026-06-11 | 2026 ST NIST George Block Invitational |
| 100 Backstroke | LCM | 1:04.53 | AAAA | 2026-06-11 | 2026 ST NIST George Block Invitational |
| 50 Breaststroke | LCM | 48.80 | +2.91s to B | 2025-07-25 | 2025 Gulf Long Course Summer Championships |
| 100 Breaststroke | LCM | 1:33.47 | B+3.18s to BB | 2026-04-18 | 2026 DADS April Intrasquad |
| 50 Butterfly | LCM | 39.82 | +0.83s to B | 2025-06-06 | 2025 BATS June Invite |
| 100 Butterfly | LCM | 1:17.02 | BB+4.93s to A | 2026-06-12 | 2026 ST NIST George Block Invitational fast pool |
| 200 Individual Medley | LCM | 3:09.31 | B+12.52s to BB | 2025-07-25 | 2025 Gulf Long Course Summer Championships |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 Backstroke | SCY | 35.52 | flat | 200 Medley Relay | 2024-03-03 | 2024 Texas Age Group Swimming Short Course Ch |
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
1386 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:55.94 | 536 |
| 200 BK SCY | 2:43.05 | 359 |
| 200 IM SCY | 2:30.10 | 491 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · LCM
2802 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:26.06 | 597 |
| 100 BK LCM | 1:04.53 | 921 |
| 100 BR LCM | 1:33.47 | 425 |
| 100 FL LCM | 1:17.02 | 479 |
| 200 IM LCM | 3:09.31 | 380 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke SCY 1:08.36 split/total mismatch
Front half 33.20s · back half 35.16s
200 Backstroke SCY 2:43.05
Front half 79.33s · back half 83.72s
100 Butterfly SCY 1:27.38
Front half 39.79s · back half 47.59s
200 Individual Medley SCY 2:30.10 split/total mismatch
100 Freestyle LCM 1:06.84
Front half 32.82s · back half 34.02s
200 Freestyle LCM 2:26.06
Front half 70.95s · back half 75.11s
400 Freestyle LCM 5:07.83 split/total mismatch
100 Butterfly LCM 1:17.02
Front half 36.76s · back half 40.26s
200 Individual Medley LCM 3:09.31 split/total mismatch
Front half 89.51s · back half 99.80s
Progression
Faster times are higher. One card per event, all courses & history.