swimJennifer Ji
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 19.87 | 2024-06-22 | 2024 PN SRST Summer Invitational venue | |
| 50 Freestyle | SCY | 29.54 | AAA+1.15s to AAAA | 2026-06-20 | 2026 PN SRST Summer Invitational - Approved venue |
| 100 Freestyle | SCY | 1:07.90 | AA+2.81s to AAA | 2026-06-20 | 2026 PN SRST Summer Invitational - Approved venue |
| 200 Freestyle | SCY | 2:34.89 | A+3.90s to AA | 2026-01-25 | 2026 PN WAVE Winter Invitational- Approved fast pool |
| 500 Freestyle | SCY | 7:36.08 | BB+42.19s to A | 2025-11-01 | 2025 PN Bob Miller Sprint Distance Classic venue |
| 25 Backstroke | SCY | 23.83 | 2024-07-13 | 2024 PN BBST Final Summer Splash Invitational venue | |
| 50 Backstroke | SCY | 33.99 | AAA+1.40s to AAAA | 2026-06-20 | 2026 PN SRST Summer Invitational - Approved venue |
| 100 Backstroke | SCY | 1:14.58 | AA+0.09s to AAA | 2026-03-20 | 2026 NW Region Age Group Champs- Approved venue |
| 25 Breaststroke | SCY | 28.14 | 2024-06-22 | 2024 PN SRST Summer Invitational venue | |
| 50 Breaststroke | SCY | 39.66 | AA+0.77s to AAA | 2026-06-20 | 2026 PN SRST Summer Invitational - Approved venue |
| 100 Breaststroke | SCY | 1:24.83 | AA+0.14s to AAA | 2026-03-20 | 2026 NW Region Age Group Champs- Approved venue |
| 200 Breaststroke | SCY | 2:59.16 | 2026-06-19 | 2026 PN SRST Summer Invitational - Approved venue | |
| 25 Butterfly | SCY | 29.52 | 2024-06-22 | 2024 PN SRST Summer Invitational venue | |
| 50 Butterfly | SCY | 30.28 | AAAA | 2026-03-21 | 2026 NW Region Age Group Champs- Approved venue |
| 100 Butterfly | SCY | 1:10.34 | AAAA | 2026-03-22 | 2026 NW Region Age Group Champs- Approved venue |
| 200 Butterfly | SCY | 2:44.26 | 2026-06-19 | 2026 PN SRST Summer Invitational - Approved venue | |
| 100 Individual Medley | SCY | 1:13.29 | AAA+1.80s to AAAA | 2026-03-22 | 2026 NW Region Age Group Champs- Approved venue |
| 200 Individual Medley | SCY | 2:47.18 | AA+6.49s to AAA | 2026-01-24 | 2026 PN WAVE Winter Invitational- Approved fast pool |
| 50 Freestyle | LCM | 33.90 | AA+0.21s to AAA | 2026-06-06 | 2026 PN VAST Summer Sprint & Dist. - Approved venue |
| 100 Freestyle | LCM | 1:18.33 | A+0.04s to AA | 2026-06-06 | 2026 PN VAST Summer Sprint & Dist. - Approved venue |
| 200 Freestyle | LCM | 2:53.96 | A+1.97s to AA | 2026-06-07 | 2026 PN VAST Summer Sprint & Dist. - Approved venue |
| 400 Freestyle | LCM | 6:09.28 | A+9.59s to AA | 2026-06-07 | 2026 PN VAST Summer Sprint & Dist. - Approved venue |
| 50 Backstroke | LCM | 39.78 | AA+0.29s to AAA | 2026-05-03 | 2026 PN BC May Flowers - Approved venue |
| 100 Backstroke | LCM | 1:26.99 | AA+1.10s to AAA | 2026-05-02 | 2026 PN BC May Flowers - Approved venue |
| 50 Breaststroke | LCM | 47.78 | A+1.29s to AA | 2026-06-06 | 2026 PN VAST Summer Sprint & Dist. - Approved venue |
| 100 Breaststroke | LCM | 1:41.17 | AA+2.98s to AAA | 2026-05-03 | 2026 PN BC May Flowers - Approved venue |
| 50 Butterfly | LCM | 36.40 | AAA+1.21s to AAAA | 2026-05-03 | 2026 PN BC May Flowers - Approved venue |
| 100 Butterfly | LCM | 1:23.01 | AAA+2.02s to AAAA | 2026-05-02 | 2026 PN BC May Flowers - Approved venue |
| 200 Individual Medley | LCM | 3:06.45 | AA+1.96s to AAA | 2026-05-02 | 2026 PN BC May Flowers - Approved 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 Freestyle | SCY | 29.23 | flying | 200 Free Relay (leg 4) | 2026-03-21 | 2026 NW Region Age Group Champs- Approved |
| 50 Butterfly | SCY | 30.87 | flying | 200 Medley Relay (leg 3) | 2026-03-21 | 2026 NW Region Age Group Champs- Approved |
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 · SCY
4147 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:34.89 | 679 |
| 100 BK SCY | 1:14.58 | 847 |
| 100 BR SCY | 1:24.83 | 844 |
| 100 FL SCY | 1:10.34 | 1023 |
| 200 IM SCY | 2:47.18 | 754 |
IMR 10 & under · SCY
4446 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:07.90 | 753 |
| 50 BK SCY | 33.99 | 881 |
| 50 BR SCY | 39.66 | 804 |
| 50 FL SCY | 30.28 | 1100 |
| 100 IM SCY | 1:13.29 | 908 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:07.90 · 7.0 min after 50 Butterfly
Front half 32.29s · back half 35.61s
200 Freestyle SCY 2:34.89
Front half 74.10s · back half 80.79s
500 Freestyle SCY 7:36.08
100 Backstroke SCY 1:14.58 RT 0.75s
Front half 36.84s · back half 37.74s
100 Breaststroke SCY 1:24.83
Front half 40.84s · back half 43.99s
200 Breaststroke SCY 2:59.16
Front half 87.94s · back half 91.22s
100 Butterfly SCY 1:10.34 RT 0.58s
Front half 32.49s · back half 37.85s
200 Butterfly SCY 2:44.26 · 7.0 min after 200 Breaststroke
Front half 77.57s · back half 86.69s
100 Individual Medley SCY 1:13.29 RT 0.58s
Front half 33.88s · back half 39.41s
200 Individual Medley SCY 2:47.18
100 Freestyle LCM 1:18.33 RT 0.56s· 30.5 min after 50 Breaststroke
Front half 36.80s · back half 41.53s
400 Freestyle LCM 6:09.28 RT 0.52s· 14.2 min after 200 Freestyle
Front half 181.79s · back half 187.49s
200 Individual Medley LCM 3:06.45
Front half 88.80s · back half 97.65s
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.