swimPeter Ma
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.81 | BB+0.72s to A·+1.62s to Sectionals | 2024-07-13 | 2024 IL BSC Summer Regional Championshipsslow pool |
| 100 Freestyle | SCY | 52.57 | A+2.18s to AA·+1.58s to Sectionals | 2025-03-14 | 2025 MN RSC CZ North Section Spring Championsvenue |
| 100 Backstroke | SCY | 1:01.58 | BB+4.29s to A·+6.09s to Sectionals | 2024-07-14 | 2024 IL BSC Summer Regional Championshipsslow pool |
| 200 Backstroke | SCY | 2:12.42 | BB+7.23s to A·+11.13s to Sectionals | 2024-07-13 | 2024 IL BSC Summer Regional Championshipsslow pool |
| 50 Breaststroke | SCY | 27.44 | AAA+0.45s to AAAA·+1.15s to Futures | 2026-03-08 | 2026 SC Illinois Senior Championships - copivenue |
| 100 Breaststroke | SCY | 57.97 | AAA+1.28s to AAAA·Futures ✓+2.48s to Winter JNs | 2026-03-06 | 2026 SC Illinois Senior Championships - copivenue |
| 200 Breaststroke | SCY | 2:08.33 | AAA+5.14s to AAAA·Sectionals ✓+0.34s to Futures | 2026-03-07 | 2026 SC Illinois Senior Championships - copivenue |
| 200 Individual Medley | SCY | 2:06.58 | A+3.69s to AA·+2.59s to Sectionals | 2024-07-14 | 2024 IL BSC Summer Regional Championshipsslow pool |
| 400 Individual Medley | SCY | 4:33.96 | A+9.47s to AA·+9.27s to Sectionals | 2024-03-08 | 2024 IL Swimming SC Age Group Championshipsslow pool |
| 50 Breaststroke | LCM | 30.49 | AAAA·Futures ✓+0.90s to Jr Nationals | 2026-07-29 | 2026 TYR FUTURES MADISON |
| 100 Breaststroke | LCM | 1:07.72 | AAA+1.63s to AAAA·Futures ✓+1.83s to Winter JNs | 2026-07-09 | 2026 CENTRAL ZONE NORTH SUMMER CHAMPIONSHIPSvenue |
| 200 Breaststroke | LCM | 2:29.10 | AAA+4.91s to AAAA·Sectionals ✓+0.01s to Futures | 2026-07-29 | 2026 TYR FUTURES MADISON |
| 200 Individual Medley | LCM | 2:25.03 | A+2.64s to AA·+0.34s to Sectionals | 2025-05-31 | 2025 BAC Jack Pettinger Invitationalvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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.
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 54.28 | flying | 400 Free Relay (leg 4) | 2024-03-10 | 2024 IL Swimming SC Age Group Championships |
| 50 Breaststroke | SCY | 27.23 | flying | 200 Medley Relay (leg 2) | 2026-03-08 | 2026 SC Illinois Senior Championships - copi |
| 100 Breaststroke | SCY | 58.99 | flying | 400 Medley Relay (leg 2) | 2026-03-07 | 2026 SC Illinois Senior Championships - copi |
| 50 Breaststroke | LCM | 30.16 | flying | 200 Medley Relay (leg 2) | 2026-07-09 | 2026 CENTRAL ZONE NORTH SUMMER CHAMPIONSHIPS |
| 100 Breaststroke | LCM | 1:07.81 | flying | 400 Medley Relay (leg 2) | 2026-07-12 | 2026 CENTRAL ZONE NORTH SUMMER 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 · SCY
2713 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:12.42 | 540 |
| 200 BR SCY | 2:08.33 | 852 |
| 200 IM SCY | 2:06.58 | 666 |
| 400 IM SCY | 4:33.96 | 655 |
| 500 FR SCY | — | 0 |
| 200 FL SCY | — | 0 |
IMR 17-18 · SCY
2066 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:01.58 | 500 |
| 100 BR SCY | 57.97 | 900 |
| 200 IM SCY | 2:06.58 | 666 |
| 200 FR SCY | — | 0 |
| 100 FL 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 52.57
Front half 24.78s · back half 27.79s
100 Backstroke SCY 1:01.58
Front half 30.11s · back half 31.47s
200 Backstroke SCY 2:12.42
Front half 64.77s · back half 67.65s
100 Breaststroke SCY 57.97
Front half 27.01s · back half 30.96s
200 Breaststroke SCY 2:08.33
Front half 60.96s · back half 67.37s
200 Individual Medley SCY 2:06.58
Front half 59.57s · back half 67.01s
400 Individual Medley SCY 4:33.96
Front half 133.85s · back half 140.11s
100 Breaststroke LCM 1:07.72
Front half 31.25s · back half 36.47s
200 Breaststroke LCM 2:29.10
Front half 72.34s · back half 76.76s
200 Individual Medley LCM 2:25.03
Front half 68.99s · back half 76.04s
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.