Madeline Chen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.97 | 2023-03-25 | 2023 EZ Southern Region Speedo Champ Series venue | |
| 100 Freestyle | SCY | 52.72 | 2023-12-17 | 2023 NBAC Christmas Invitational venue | |
| 200 Freestyle | SCY | 2:00.83 | 2021-03-19 | FOX Championship Invitational venue | |
| 500 Freestyle | SCY | 5:32.50 | 2023-10-14 | 2023 CBAC Eric T. Askins Memorial Meet | |
| 50 Backstroke | SCY | 26.61 | 2024-02-23 | 2024 MD LSC Senior Champs venue | |
| 100 Backstroke | SCY | 59.51 | 2025-03-29 | 2025 EZ Reg 2 SC Speedo Champ Series venue | |
| 200 Backstroke | SCY | 2:12.50 | 2022-02-27 | 2022 MD LSC Senior Championships fast pool | |
| 50 Breaststroke | SCY | 33.41 | 2025-02-09 | 2025 Last Chance Qualifying fast pool | |
| 100 Breaststroke | SCY | 1:13.88 | 2022-10-15 | 2022 CBAC Eric T. Askins Memorial Meet slow pool | |
| 200 Breaststroke | SCY | 2:42.07 | 2022-10-16 | 2022 CBAC Eric T. Askins Memorial Meet slow pool | |
| 50 Butterfly | SCY | 26.58 | 2024-02-25 | 2024 MD LSC Senior Champs venue | |
| 100 Butterfly | SCY | 59.82 | 2024-02-23 | 2024 MD LSC Senior Champs venue | |
| 200 Butterfly | SCY | 2:24.75 | 2021-11-20 | CAC Zachary "Zack" Spain Memorial Meet 2021 slow pool | |
| 100 Individual Medley | SCY | 1:01.38 | 2025-02-09 | 2025 Last Chance Qualifying fast pool | |
| 200 Individual Medley | SCY | 2:13.43 | 2025-02-23 | 2025 Speedo MD LSC Senior Champs venue | |
| 400 Individual Medley | SCY | 4:56.47 | 2021-11-19 | CAC Zachary "Zack" Spain Memorial Meet 2021 slow pool | |
| 50 Freestyle | LCM | 27.84 | 2022-08-07 | 2022 MD LSC LC Championships venue | |
| 100 Freestyle | LCM | 1:01.73 | 2026-05-17 | NOVA Spring Splash fast pool | |
| 200 Freestyle | LCM | 2:17.85 | 2026-06-13 | 2026 CAC Schools Out For Summer LCM Swim Meet venue | |
| 50 Backstroke | LCM | 31.64 | 2023-08-02 | 2023 Speedo Maryland Long Course Championship venue | |
| 100 Backstroke | LCM | 1:10.65 | 2022-08-06 | 2022 MD LSC LC Championships venue | |
| 200 Backstroke | LCM | 2:37.53 | 2022-08-05 | 2022 MD LSC LC Championships venue | |
| 50 Breaststroke | LCM | 38.54 | 2025-06-14 | 2025 CAC Schools Out For Summer slow pool | |
| 100 Breaststroke | LCM | 1:28.15 | 2023-05-20 | 2023 NBAC Spring Long Course Meet venue | |
| 50 Butterfly | LCM | 30.73 | 2023-05-19 | 2023 NBAC Spring Long Course Meet venue | |
| 100 Butterfly | LCM | 1:11.32 | 2023-06-11 | 2023 CAC Summer LCM BB&Faster Swim Meet slow pool | |
| 200 Individual Medley | LCM | 2:38.60 | 2023-06-11 | 2023 CAC Summer LCM BB&Faster Swim Meet slow pool |
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 | 24.86 | flying | 200 Free Relay (leg 4) | 2022-10-16 | 2022 CBAC Eric T. Askins Memorial Meet |
| 50 Freestyle | SCY | 24.71 | flying | 200 Medley Relay (leg 4) | 2022-10-15 | 2022 CBAC Eric T. Askins Memorial Meet |
| 50 Butterfly | SCY | 17.34 | flying | 200 Medley Relay (leg 3) | 2023-09-30 | STAT Fall Sprint Meet 2023 |
| 50 Freestyle | LCM | 38.39 | flying | 200 Free Relay (leg 3) | 2016-08-05 | 2016 MD LSC LC Championships |
| 50 Backstroke | LCM | 32.86 | flat | 200 Medley Relay | 2025-05-18 | 2025 NBAC Spring LC Invitational Meet |
| 100 Backstroke | LCM | 1:15.02 | flat | 400 Medley Relay | 2021-07-31 | 2021 MD LSC 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.
PR splits
100 Freestyle SCY 52.72
Front half 25.55s · back half 27.17s
200 Freestyle SCY 2:00.83
Front half 58.92s · back half 61.91s
100 Backstroke SCY 59.51
Front half 28.30s · back half 31.21s
200 Backstroke SCY 2:12.50
Front half 64.61s · back half 67.89s
100 Breaststroke SCY 1:13.88
Front half 34.87s · back half 39.01s
200 Breaststroke SCY 2:42.07
Front half 77.91s · back half 84.16s
100 Butterfly SCY 59.82
Front half 27.64s · back half 32.18s
200 Butterfly SCY 2:24.75
Front half 68.45s · back half 76.30s
100 Individual Medley SCY 1:01.38
Front half 27.82s · back half 33.56s
200 Individual Medley SCY 2:13.43
Front half 61.94s · back half 71.49s
400 Individual Medley SCY 4:56.47
Front half 143.13s · back half 153.34s
200 Freestyle LCM 2:17.85
Front half 67.97s · back half 69.88s
100 Backstroke LCM 1:10.65
Front half 34.93s · back half 35.72s
200 Backstroke LCM 2:37.53
Front half 76.65s · back half 80.88s
100 Breaststroke LCM 1:28.15
Front half 41.47s · back half 46.68s
100 Butterfly LCM 1:11.32
Front half 32.73s · back half 38.59s
200 Individual Medley LCM 2:38.60
Front half 74.42s · back half 84.18s
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.