swimWilliam Calder
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.69 | AAA+0.60s to AAAA | 2024-02-28 | 2024 SC Sr Champs Time Trails |
| 100 Freestyle | SCY | 48.68 | AA+0.39s to AAA | 2024-01-28 | 2024 Heavyweight Battle venue |
| 200 Freestyle | SCY | 1:47.65 | AA+1.26s to AAA | 2023-12-01 | 2023 RAYS Nutcracker Classic venue |
| 500 Freestyle | SCY | 5:06.16 | A+4.47s to AA | 2024-02-24 | 2024 Northern Region 13&O Championships fast pool |
| 1000 Freestyle | SCY | 10:22.91 | AA+18.42s to AAA | 2024-02-29 | 2024 VSI SC Senior Championships |
| 1650 Freestyle | SCY | 17:21.07 | AA+31.28s to AAA | 2023-11-30 | 2023 RAYS Nutcracker Classic venue |
| 100 Backstroke | SCY | 54.40 | AA+1.91s to AAA | 2024-02-29 | 2024 VSI SC Senior Championships |
| 200 Backstroke | SCY | 2:05.61 | BB+0.42s to A | 2024-02-25 | 2024 Northern Region 13&O Championships fast pool |
| 100 Breaststroke | SCY | 1:05.47 | BB+0.78s to A | 2024-01-06 | 2024 RAYS Jeff Rouse Meet venue |
| 200 Breaststroke | SCY | 2:30.50 | BB+9.71s to A | 2023-11-11 | 2023 Fall Aqua-Fest venue |
| 100 Butterfly | SCY | 55.20 | A+0.91s to AA | 2024-02-23 | 2024 Northern Region 13&O Championships fast pool |
| 200 Butterfly | SCY | 2:11.43 | BB+3.94s to A | 2023-11-11 | 2023 Fall Aqua-Fest venue |
| 200 Individual Medley | SCY | 2:02.97 | A+0.08s to AA | 2023-12-03 | 2023 RAYS Nutcracker Classic venue |
| 400 Individual Medley | SCY | 4:26.16 | A+1.67s to AA | 2024-02-23 | 2024 Northern Region 13&O Championships fast pool |
| 50 Freestyle | LCM | 24.59 | AAA+0.20s to AAAA | 2025-05-18 | 2025 EZ LC Speedo Super Sectional venue |
| 100 Freestyle | LCM | 55.58 | AAA+2.59s to AAAA | 2024-07-18 | 2024 VA LC Senior Champs venue |
| 200 Freestyle | LCM | 2:04.06 | AA+1.87s to AAA | 2024-07-19 | 2024 VA LC Senior Champs venue |
| 400 Freestyle | LCM | 4:35.94 | A+3.55s to AA | 2024-01-14 | NOVA LC Winter Invitational venue |
| 800 Freestyle | LCM | 10:31.56 | BB+40.77s to A | 2022-01-01 | 2021 VSI Regional Summer Awards - LSC 2 |
| 100 Backstroke | LCM | 1:03.65 | AA+1.76s to AAA | 2025-05-17 | 2025 EZ LC Speedo Super Sectional venue |
| 200 Backstroke | LCM | 2:21.30 | A+0.31s to AA | 2024-07-14 | 2024 RAYS Summer Awards venue |
| 50 Breaststroke | LCM | 38.84 | B+0.85s to BB | 2023-06-16 | SwimRVA Summer Invitational venue |
| 100 Breaststroke | LCM | 1:17.52 | BB+2.03s to A | 2024-07-12 | 2024 RAYS Summer Awards venue |
| 200 Breaststroke | LCM | 2:59.80 | B+1.31s to BB | 2024-04-28 | 2024 Helen Wang Sunflower Classic venue |
| 50 Butterfly | LCM | 29.33 | A+0.44s to AA | 2023-06-16 | SwimRVA Summer Invitational venue |
| 100 Butterfly | LCM | 1:00.83 | AA+1.14s to AAA | 2024-07-19 | 2024 VA LC Senior Champs venue |
| 200 Individual Medley | LCM | 2:22.78 | A+0.39s to AA | 2024-07-13 | 2024 RAYS Summer Awards venue |
| 400 Individual Medley | LCM | 5:24.95 | BB+5.96s to A | 2024-01-13 | NOVA LC Winter Invitational venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | LCM | 1:02.39 | flying | 400 Free Relay (leg 2) | 2022-07-24 | 2022 VA LC Age Group Championships |
| 200 Freestyle | LCM | 2:20.24 | flying | 800 Free Relay (leg 2) | 2022-07-21 | 2022 VA LC Age Group 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
3888 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:06.16 | 704 |
| 200 BK SCY | 2:05.61 | 633 |
| 200 BR SCY | 2:30.50 | 528 |
| 200 FL SCY | 2:11.43 | 582 |
| 200 IM SCY | 2:02.97 | 727 |
| 400 IM SCY | 4:26.16 | 714 |
IMR 17-18 · LCM
3661 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:04.06 | 790 |
| 100 BK LCM | 1:03.65 | 764 |
| 100 BR LCM | 1:17.52 | 591 |
| 100 FL LCM | 1:00.83 | 779 |
| 200 IM LCM | 2:22.78 | 737 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 48.68
Front half 23.23s · back half 25.45s
200 Freestyle SCY 1:47.65
Front half 51.84s · back half 55.81s
500 Freestyle SCY 5:06.16
Front half 152.30s · back half 153.86s
1650 Freestyle SCY 17:21.07
200 Backstroke SCY 2:05.61
Front half 61.04s · back half 64.57s
100 Breaststroke SCY 1:05.47
Front half 31.01s · back half 34.46s
100 Butterfly SCY 55.20
Front half 25.31s · back half 29.89s
200 Butterfly SCY 2:11.43
Front half 59.92s · back half 71.51s
200 Individual Medley SCY 2:02.97
Front half 56.75s · back half 66.22s
400 Individual Medley SCY 4:26.16
Front half 128.59s · back half 137.57s
100 Freestyle LCM 55.58
Front half 26.33s · back half 29.25s
200 Freestyle LCM 2:04.06
Front half 59.99s · back half 64.07s
400 Freestyle LCM 4:35.94
Front half 138.83s · back half 137.11s
200 Backstroke LCM 2:21.30
Front half 68.93s · back half 72.37s
100 Breaststroke LCM 1:17.52
Front half 36.15s · back half 41.37s
200 Breaststroke LCM 2:59.80
Front half 83.98s · back half 95.82s
100 Butterfly LCM 1:00.83
Front half 28.53s · back half 32.30s
200 Individual Medley LCM 2:22.78
Front half 64.97s · back half 77.81s
400 Individual Medley LCM 5:24.95
Front half 154.73s · back half 170.22s
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.