Maisie Rider
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.14 | A+0.25s to AA | 2023-12-09 | 2023 East Coast WinterFest venue |
| 100 Freestyle | SCY | 56.03 | AA+2.24s to AAA | 2024-01-20 | 2024 ISCA January Classic venue |
| 200 Freestyle | SCY | 1:59.57 | AA+2.78s to AAA | 2023-01-20 | 2023 ISCA National Club Championships venue |
| 500 Freestyle | SCY | 5:10.72 | AAA+12.13s to AAAA | 2024-01-20 | 2024 ISCA January Classic venue |
| 1650 Freestyle | SCY | 17:54.76 | AAA+43.17s to AAAA | 2023-02-26 | 2023 MD LSC SR SCY Championhips venue |
| 50 Backstroke | SCY | 29.07 | A+0.38s to AA | 2023-01-20 | 2023 ISCA National Club Championships venue |
| 100 Backstroke | SCY | 1:01.31 | A+0.22s to AA | 2024-01-20 | 2024 ISCA January Classic venue |
| 200 Backstroke | SCY | 2:08.81 | AA+1.72s to AAA | 2024-01-19 | 2024 ISCA January Classic venue |
| 50 Breaststroke | SCY | 34.36 | A+0.87s to AA | 2024-01-21 | 2024 ISCA January Classic venue |
| 100 Breaststroke | SCY | 1:18.50 | BB+5.51s to A | 2023-02-04 | 2023 ASC Senior Meet venue |
| 200 Breaststroke | SCY | 2:48.11 | BB+9.62s to A | 2022-12-03 | 2022 NAAC Holiday Blast slow pool |
| 50 Butterfly | SCY | 29.19 | A+0.50s to AA | 2024-01-21 | 2024 ISCA January Classic venue |
| 100 Butterfly | SCY | 1:08.09 | BB+4.80s to A | 2022-12-03 | 2022 NAAC Holiday Blast slow pool |
| 200 Butterfly | SCY | 2:31.13 | BB+10.94s to A | 2022-12-04 | 2022 NAAC Holiday Blast slow pool |
| 100 Individual Medley | SCY | 1:08.38 | 2024-10-07 | Bill Schmidt Invite | |
| 200 Individual Medley | SCY | 2:14.06 | AA+3.57s to AAA | 2024-02-25 | 2024 MD LSC Senior Champs venue |
| 400 Individual Medley | SCY | 4:36.79 | AAA+11.40s to AAAA | 2023-01-20 | 2023 ISCA National Club Championships venue |
| 50 Freestyle | LCM | 30.05 | A+0.36s to AA | 2024-06-14 | SwimRVA Summer Invitational venue |
| 100 Freestyle | LCM | 1:05.16 | A+0.97s to AA | 2025-05-10 | 2025 NAAC MOTHER'S DAY MEET venue |
| 200 Freestyle | LCM | 2:20.62 | A+1.53s to AA | 2024-06-15 | SwimRVA Summer Invitational venue |
| 400 Freestyle | LCM | 4:49.38 | AA+8.79s to AAA | 2023-07-08 | 2023 NBAC Mid-Summer Classic venue |
| 800 Freestyle | LCM | 9:46.54 | AA+4.95s to AAA | 2023-08-02 | 2023 Speedo Maryland Long Course Championship venue |
| 1500 Freestyle | LCM | 19:00.16 | AA+26.67s to AAA | 2023-08-05 | 2023 Speedo Maryland Long Course Championship venue |
| 50 Backstroke | LCM | 34.33 | A+0.04s to AA | 2023-08-02 | 2023 Speedo Maryland Long Course Championship venue |
| 100 Backstroke | LCM | 1:12.51 | A+1.42s to AA | 2024-06-14 | SwimRVA Summer Invitational venue |
| 200 Backstroke | LCM | 2:31.23 | AA+3.44s to AAA | 2023-08-03 | 2023 Speedo Maryland Long Course Championship venue |
| 50 Breaststroke | LCM | 41.14 | BB+1.55s to A | 2024-07-27 | 2024 ISCA Summer Senior Blast venue |
| 100 Breaststroke | LCM | 1:25.78 | BB+1.49s to A | 2025-07-11 | 2025 NBAC Mid Summer Classic venue |
| 200 Breaststroke | LCM | 3:11.94 | BB+7.85s to A | 2021-07-11 | 2021 FOX July Long Course Invitational venue |
| 100 Butterfly | LCM | 1:14.37 | BB+2.18s to A | 2023-05-21 | HNVR Storm Surge 2023 venue |
| 200 Butterfly | LCM | 2:45.25 | BB+5.56s to A | 2024-05-11 | 2024 NAAC MOTHER'S DAY MEET venue |
| 200 Individual Medley | LCM | 2:34.79 | AA+5.30s to AAA | 2024-03-24 | 2024 Speedo Sectional Championship venue |
| 400 Individual Medley | LCM | 5:20.50 | AA+1.21s to AAA | 2023-08-03 | 2023 Speedo Maryland Long Course Championship 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 Freestyle | SCY | 25.21 | flying | 200 Medley Relay (leg 4) | 2022-03-03 | 2022 MD LSC 14 & U CHAMPIONSHIPS |
| 50 Freestyle | SCY | 25.39 | flying | 200 Free Relay (leg 3) | 2022-03-04 | 2022 MD LSC 14 & U CHAMPIONSHIPS |
| 200 Freestyle | SCY | 2:00.66 | flat | 800 Free Relay | 2022-03-03 | 2022 MD LSC 14 & U CHAMPIONSHIPS |
| 200 Freestyle | SCY | 1:59.77 | flying | 800 Free Relay (leg 2) | 2024-02-22 | 2024 MD LSC Senior Champs |
| 100 Backstroke | SCY | 1:03.50 | flat | 400 Medley Relay | 2021-12-18 | 2021 NBAC 47th Annual Christmas Invitational |
| 50 Freestyle | LCM | 29.79 | flying | 200 Free Relay (leg 3) | 2025-03-30 | 2025 Speedo Sectional Championship |
| 100 Freestyle | LCM | 1:03.89 | flying | 400 Free Relay (leg 4) | 2025-03-29 | 2025 Speedo Sectional Championship |
| 200 Freestyle | LCM | 2:18.94 | flying | 800 Free Relay (leg 3) | 2025-03-28 | 2025 Speedo Sectional Championship |
| 50 Backstroke | LCM | 33.50 | flat | 200 Medley Relay | 2025-03-29 | 2025 Speedo Sectional Championship |
| 100 Backstroke | LCM | 1:13.73 | flat | 400 Medley Relay | 2024-03-24 | 2024 Speedo Sectional Championship |
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
4375 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:10.72 | 876 |
| 200 BK SCY | 2:08.81 | 790 |
| 200 BR SCY | 2:48.11 | 559 |
| 200 FL SCY | 2:31.13 | 527 |
| 200 IM SCY | 2:14.06 | 766 |
| 400 IM SCY | 4:36.79 | 857 |
IMR 17-18 · LCM
3405 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:20.62 | 715 |
| 100 BK LCM | 1:12.51 | 703 |
| 100 BR LCM | 1:25.78 | 618 |
| 100 FL LCM | 1:14.37 | 598 |
| 200 IM LCM | 2:34.79 | 771 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 56.03
Front half 26.93s · back half 29.10s
200 Freestyle SCY 1:59.57
Front half 58.11s · back half 61.46s
500 Freestyle SCY 5:10.72
Front half 152.77s · back half 157.95s
1650 Freestyle SCY 17:54.76
100 Backstroke SCY 1:01.31
Front half 29.80s · back half 31.51s
200 Backstroke SCY 2:08.81
Front half 62.68s · back half 66.13s
100 Breaststroke SCY 1:18.50
Front half 37.19s · back half 41.31s
200 Breaststroke SCY 2:48.11
Front half 80.57s · back half 87.54s
100 Butterfly SCY 1:08.09
Front half 31.95s · back half 36.14s
200 Butterfly SCY 2:31.13
Front half 71.51s · back half 79.62s
100 Individual Medley SCY 1:08.38 split/total mismatch
Front half 31.70s · back half 36.68s
200 Individual Medley SCY 2:14.06
Front half 62.05s · back half 72.01s
400 Individual Medley SCY 4:36.79
Front half 133.31s · back half 143.48s
100 Freestyle LCM 1:05.16
Front half 31.12s · back half 34.04s
200 Freestyle LCM 2:20.62
Front half 67.94s · back half 72.68s
400 Freestyle LCM 4:49.38
Front half 141.51s · back half 147.87s
800 Freestyle LCM 9:46.54
Front half 288.23s · back half 298.31s
1500 Freestyle LCM 19:00.16
Front half 561.92s · back half 578.24s
100 Backstroke LCM 1:12.51
Front half 34.98s · back half 37.53s
200 Backstroke LCM 2:31.23
Front half 73.34s · back half 77.89s
100 Breaststroke LCM 1:25.78
Front half 40.68s · back half 45.10s
200 Breaststroke LCM 3:11.94
Front half 93.05s · back half 98.89s
100 Butterfly LCM 1:14.37
Front half 34.44s · back half 39.93s
200 Butterfly LCM 2:45.25
Front half 77.31s · back half 87.94s
200 Individual Medley LCM 2:34.79
Front half 72.56s · back half 82.23s
400 Individual Medley LCM 5:20.50
Front half 155.78s · back half 164.72s
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.