swimErika Ilkiu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Freestyle | SCY | 55.60 | AA+1.81s to AAA | 2025-03-14 | 2025 MN RSC CZ North Section Spring Champions venue |
| 100 Breaststroke | SCY | 1:04.11 | AAA+0.22s to AAAA | 2025-03-16 | 2025 MN RSC CZ North Section Spring Champions venue |
| 200 Breaststroke | SCY | 2:16.18 | AAAA | 2025-03-15 | 2025 MN RSC CZ North Section Spring Champions venue |
| 50 Freestyle | LCM | 30.20 | A+0.51s to AA | 2024-05-19 | 2024 MAC LC Midwest Invitational venue |
| 100 Freestyle | LCM | 1:05.30 | A+1.11s to AA | 2024-05-18 | 2024 MAC LC Midwest Invitational venue |
| 200 Freestyle | LCM | 2:22.68 | A+3.59s to AA | 2024-05-19 | 2024 MAC LC Midwest Invitational venue |
| 50 Breaststroke | LCM | 33.71 | AAAA | 2025-07-31 | 2025 Speedo Junior National Championships fast pool |
| 100 Breaststroke | LCM | 1:12.19 | AAAA | 2025-07-30 | 2025 Speedo Junior National Championships fast pool |
| 200 Breaststroke | LCM | 2:37.43 | AAAA | 2025-07-23 | 2025 TYR FUTURES MADISON TIME TRIALS |
| 200 Individual Medley | LCM | 2:36.80 | A+0.61s to AA | 2024-05-18 | 2024 MAC LC Midwest Invitational venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 | 29.54 | flying | 200 Medley Relay (leg 2) | 2021-12-08 | 2021 West Speedo Winter Juniors |
| 100 Breaststroke | SCY | 1:03.63 | flying | 400 Medley Relay (leg 2) | 2021-12-09 | 2021 West Speedo Winter Juniors |
| 50 Freestyle | LCM | 27.95 | flying | 200 Medley Relay (leg 4) | 2025-08-01 | 2025 Speedo Junior National Championships |
| 50 Freestyle | LCM | 27.93 | flying | 200 Free Relay (leg 4) | 2025-07-30 | 2025 Speedo Junior National Championships |
| 100 Breaststroke | LCM | 1:13.79 | flying | 400 Medley Relay (leg 2) | 2025-08-03 | 2025 Speedo Junior National Championships |
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 17-18 · LCM
1743 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR LCM | 2:37.43 | 1001 |
| 200 IM LCM | 2:36.80 | 742 |
| 400 FR LCM | — | 0 |
| 200 BK LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · LCM
2464 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:22.68 | 685 |
| 100 BR LCM | 1:12.19 | 1037 |
| 200 IM LCM | 2:36.80 | 742 |
| 100 BK LCM | — | 0 |
| 100 FL LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 55.60
Front half 26.39s · back half 29.21s
100 Breaststroke SCY 1:04.11
Front half 30.60s · back half 33.51s
200 Breaststroke SCY 2:16.18
Front half 65.24s · back half 70.94s
100 Freestyle LCM 1:05.30
Front half 31.03s · back half 34.27s
200 Freestyle LCM 2:22.68
Front half 69.02s · back half 73.66s
100 Breaststroke LCM 1:12.19 RT 0.70s
Front half 33.63s · back half 38.56s
200 Breaststroke LCM 2:37.43
Front half 75.97s · back half 81.46s
200 Individual Medley LCM 2:36.80
Front half 77.85s · back half 78.95s
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.