swimMikki Maemura
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.02 | AA+0.23s to AAA·Sectionals ✓+1.13s to Futures | 2020-12-19 | 2020 UT Las Vegas Super Finalsvenue |
| 100 Freestyle | SCY | 54.46 | AA+0.67s to AAA·Sectionals ✓+2.57s to Futures | 2020-12-20 | 2020 UT Las Vegas Super Finalsvenue |
| 200 Freestyle | SCY | 2:03.29 | A+1.20s to AA·+0.90s to Sectionals | 2020-12-18 | 2020 UT Las Vegas Super Finalsvenue |
| 100 Backstroke | SCY | 55.54 | AAAA·Futures ✓+0.45s to Winter JNs | 2024-05-03 | 2024 CIF-SS Division 2venue |
| 100 Butterfly | SCY | 55.26 | AAAA·Futures ✓+0.57s to Winter JNs | 2024-05-10 | 2024 CIF SWIMMING & DIVING CHAMPIONSHIPSvenue |
| 200 Butterfly | SCY | 2:12.44 | AA+3.95s to AAA·Sectionals ✓+7.05s to Futures | 2020-12-19 | 2020 UT Las Vegas Super Finalsvenue |
| 50 Freestyle | LCM | 28.02 | AAA+0.93s to AAAA·Sectionals ✓+0.63s to Futures | 2021-08-07 | 2021 Western Zone Age Group Championshipsvenue |
| 100 Freestyle | LCM | 1:00.00 | AAA+1.41s to AAAA·Sectionals ✓+0.71s to Futures | 2024-03-03 | 2024 CA/NV Speedo Sectionalvenue |
| 200 Freestyle | LCM | 2:13.38 | AA+0.39s to AAA·Sectionals ✓+5.59s to Futures | 2021-08-05 | 2021 Western Zone Age Group Championshipsvenue |
| 50 Backstroke | LCM | 34.61 | A+0.32s to AA·+3.72s to Futures | 2019-08-09 | 2019 Western Zone Age Group Championshipsvenue |
| 100 Backstroke | LCM | 1:07.09 | AAA+2.20s to AAAA·Sectionals ✓+0.30s to Futures | 2024-07-28 | 2024 CA SCS/RAA Summer A/G Champsvenue |
| 200 Backstroke | LCM | 2:39.59 | A+5.10s to AA·+6.20s to Sectionals | 2021-08-04 | 2021 Western Zone Age Group Championshipsvenue |
| 50 Breaststroke | LCM | 42.71 | BB+3.12s to A·+7.92s to Futures | 2019-08-07 | 2019 Western Zone Age Group Championshipsvenue |
| 50 Butterfly | LCM | 31.04 | AA+0.55s to AAA·+1.55s to Futures | 2019-08-08 | 2019 Western Zone Age Group Championshipsvenue |
| 100 Butterfly | LCM | 1:03.99 | AAA+0.90s to AAAA·Futures ✓+1.30s to Winter JNs | 2024-07-27 | 2024 CA SCS/RAA Summer A/G Champsvenue |
| 200 Butterfly | LCM | 2:28.75 | AA+2.36s to AAA·Sectionals ✓+6.86s to Futures | 2021-08-07 | 2021 Western Zone Age Group Championshipsvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 52.18 | flying | 400 Free Relay (leg 4) | 2024-05-03 | 2024 CIF-SS Division 2 |
| 50 Backstroke | SCY | 26.43 | flat | 200 Medley Relay | 2024-05-03 | 2024 CIF-SS Division 2 |
| 50 Freestyle | LCM | 29.41 | flat | 200 Free Relay | 2019-08-10 | 2019 Western Zone Age Group Championships |
| 50 Freestyle | LCM | 27.49 | flying | 200 Free Relay (leg 2) | 2025-07-25 | 2025 CA SCS/RAA Summer A/G Champs |
| 100 Freestyle | LCM | 1:01.53 | flat | 400 Free Relay | 2024-07-28 | 2024 CA SCS/RAA Summer A/G Champs |
| 100 Freestyle | LCM | 59.85 | flying | 400 Free Relay (leg 3) | 2024-03-03 | 2024 CA/NV Speedo Sectional |
| 200 Freestyle | LCM | 2:13.57 | flying | 800 Free Relay (leg 2) | 2024-02-29 | 2024 CA/NV Speedo Sectional |
| 100 Backstroke | LCM | 1:08.81 | flat | 400 Medley Relay | 2025-07-26 | 2025 CA SCS/RAA Summer A/G Champs |
| 50 Butterfly | LCM | 28.56 | flying | 200 Medley Relay (leg 3) | 2025-07-25 | 2025 CA SCS/RAA Summer A/G Champs |
| 100 Butterfly | LCM | 1:04.22 | flying | 400 Medley Relay (leg 3) | 2024-07-27 | 2024 CA SCS/RAA Summer A/G Champs |
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
1469 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK LCM | 2:39.59 | 664 |
| 200 FL LCM | 2:28.75 | 805 |
| 400 FR LCM | — | 0 |
| 200 BR LCM | — | 0 |
| 200 IM LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · SCY
2683 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:03.29 | 717 |
| 100 BK SCY | 55.54 | 970 |
| 100 FL SCY | 55.26 | 996 |
| 100 BR SCY | — | 0 |
| 200 IM SCY | — | 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 54.46
Front half 26.14s · back half 28.32s
200 Freestyle SCY 2:03.29
Front half 59.52s · back half 63.77s
100 Backstroke SCY 55.54 RT 0.67s
Front half 26.72s · back half 28.82s
100 Butterfly SCY 55.26
Front half 25.70s · back half 29.56s
200 Butterfly SCY 2:12.44
Front half 62.57s · back half 69.87s
100 Freestyle LCM 1:00.00
Front half 29.55s · back half 30.45s
200 Freestyle LCM 2:13.38
Front half 66.52s · back half 66.86s
100 Backstroke LCM 1:07.09
Front half 32.17s · back half 34.92s
200 Backstroke LCM 2:39.59
Front half 77.60s · back half 81.99s
100 Butterfly LCM 1:03.99
Front half 29.86s · back half 34.13s
200 Butterfly LCM 2:28.75
Front half 70.00s · back half 78.75s
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.
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
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.