Colleen MacWilliams
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.82 | AA+0.03s to AAA | 2023-03-26 | 2023 Four Corners Speedo Sectionals - Austin venue |
| 100 Freestyle | SCY | 52.33 | AAA+1.04s to AAAA | 2023-02-03 | Region 6 OBS fast pool |
| 200 Freestyle | SCY | 1:51.95 | AAA+0.56s to AAAA | 2021-02-25 | 2021 UT SC Senior Champs |
| 500 Freestyle | SCY | 4:58.57 | AAAA | 2022-03-26 | 2022 4C Speedo Sectionals - Austin venue |
| 1650 Freestyle | SCY | 18:09.66 | AA+8.97s to AAA | 2019-12-26 | 2019 UT KYAT Holiday Open venue |
| 50 Backstroke | SCY | 26.97 | AAA+0.78s to AAAA | 2022.12.20 Granite District Championships venue | |
| 100 Backstroke | SCY | 59.22 | AA+0.73s to AAA | 2022-10-28 | Skyline October Intrasquad venue |
| 200 Backstroke | SCY | 2:12.61 | AA+5.52s to AAA | 2019-03-09 | 2019 UT SC AG Championships venue |
| 50 Breaststroke | SCY | 33.64 | A+0.15s to AA | 2022-09-23 | Skyline September Developmental |
| 100 Breaststroke | SCY | 1:08.47 | AA+1.58s to AAA | 2021-02-25 | 2021 UT SC Senior Champs |
| 200 Breaststroke | SCY | 2:26.15 | AA+0.86s to AAA | 2020-01-17 | 2020 UT OA TYR Winter Blast venue |
| 100 Butterfly | SCY | 59.64 | AA+1.65s to AAA | 2022-02-25 | 2022 UT SC Senior Champs fast pool |
| 200 Butterfly | SCY | 2:23.75 | BB+3.56s to A | 2021-07-09 | 2021 UT OA Summer Splash venue |
| 100 Individual Medley | SCY | 1:04.55 | 2023-01-13 | Skyline January Intrasquad venue | |
| 200 Individual Medley | SCY | 2:04.82 | AAA+0.23s to AAAA | 2023-03-26 | 2023 Four Corners Speedo Sectionals - Austin venue |
| 400 Individual Medley | SCY | 4:22.13 | AAAA | 2023-03-24 | 2023 Four Corners Speedo Sectionals - Austin venue |
| 50 Freestyle | LCM | 28.43 | AA+0.04s to AAA | 2021-07-22 | 2021 UT LC Champs venue |
| 100 Freestyle | LCM | 1:01.04 | AAA+2.45s to AAAA | 2021-07-19 | 2021 UT LC Champs venue |
| 200 Freestyle | LCM | 2:10.50 | AAA+3.51s to AAAA | 2021-07-20 | 2021 UT LC Champs venue |
| 400 Freestyle | LCM | 4:30.62 | AAA+2.83s to AAAA | 2021-07-29 | Finals - Western Zone Senior Champs fast pool |
| 800 Freestyle | LCM | 9:32.16 | AAA+17.07s to AAAA | 2021-07-30 | Finals - Western Zone Senior Champs fast pool |
| 100 Backstroke | LCM | 1:12.36 | A+1.27s to AA | 2021-06-28 | 2021 UT HAST RWB Invite venue |
| 200 Backstroke | LCM | 2:25.49 | AAA+4.40s to AAAA | 2021-07-27 | Finals - Western Zone Senior Champs fast pool |
| 100 Breaststroke | LCM | 1:18.62 | AA+1.33s to AAA | 2019-07-18 | 2019 UT LC Champs venue |
| 200 Breaststroke | LCM | 2:49.44 | AA+0.65s to AAA | 2019-07-20 | 2019 UT LC Champs venue |
| 50 Butterfly | LCM | 31.37 | AA+0.88s to AAA | 2021-06-28 | 2021 UT HAST RWB Invite venue |
| 200 Individual Medley | LCM | 2:26.69 | AAA+4.00s to AAAA | 2021-07-21 | 2021 UT LC Champs venue |
| 400 Individual Medley | LCM | 5:04.83 | AAA+0.04s to AAAA | 2021-07-28 | Finals - Western Zone Senior Champs fast pool |
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 | 24.97 | flying | 200 Medley Relay (leg 4) | 2020-02-21 | 2020 UT SC Senior Champs |
| 100 Freestyle | SCY | 53.40 | flying | 400 Free Relay (leg 4) | 2020-02-21 | 2020 UT SC Senior Champs |
| 100 Freestyle | SCY | 53.09 | flying | 400 Medley Relay (leg 4) | 2020-02-20 | 2020 UT SC Senior Champs |
| 50 Freestyle | LCM | 27.75 | flying | 200 Free Relay (leg 2) | 2021-07-21 | 2021 UT LC Champs |
| 100 Freestyle | LCM | 58.95 | flying | 400 Free Relay (leg 3) | 2021-07-22 | 2021 UT LC Champs |
| 100 Freestyle | LCM | 59.72 | flying | 400 Medley Relay (leg 4) | 2021-07-29 | Finals - Western Zone Senior Champs |
| 200 Freestyle | LCM | 2:12.59 | flying | 800 Free Relay (leg 4) | 2021-07-27 | Finals - Western Zone Senior Champs |
| 50 Butterfly | LCM | 29.07 | flying | 200 Medley Relay (leg 3) | 2021-07-20 | 2021 UT LC 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 · SCY
5132 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:58.57 | 988 |
| 200 BK SCY | 2:12.61 | 724 |
| 200 BR SCY | 2:26.15 | 850 |
| 200 FL SCY | 2:23.75 | 612 |
| 200 IM SCY | 2:04.82 | 949 |
| 400 IM SCY | 4:22.13 | 1009 |
IMR 17-18 · SCY
4300 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:51.95 | 958 |
| 100 BK SCY | 59.22 | 800 |
| 100 BR SCY | 1:08.47 | 801 |
| 100 FL SCY | 59.64 | 792 |
| 200 IM SCY | 2:04.82 | 949 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 52.33
Front half 25.46s · back half 26.87s
500 Freestyle SCY 4:58.57 RT 0.68s
Front half 146.69s · back half 151.88s
1650 Freestyle SCY 18:09.66
100 Backstroke SCY 59.22
Front half 29.59s · back half 29.63s
200 Backstroke SCY 2:12.61
Front half 65.20s · back half 67.41s
200 Breaststroke SCY 2:26.15
Front half 70.36s · back half 75.79s
100 Butterfly SCY 59.64
Front half 28.33s · back half 31.31s
100 Individual Medley SCY 1:04.55
Front half 28.80s · back half 35.75s
200 Individual Medley SCY 2:04.82
Front half 58.24s · back half 66.58s
400 Individual Medley SCY 4:22.13
Front half 125.28s · back half 136.85s
100 Freestyle LCM 1:01.04
Front half 29.44s · back half 31.60s
200 Freestyle LCM 2:10.50
Front half 64.28s · back half 66.22s
400 Freestyle LCM 4:30.62
Front half 133.87s · back half 136.75s
800 Freestyle LCM 9:32.16
Front half 287.66s · back half 284.50s
200 Backstroke LCM 2:25.49
Front half 71.77s · back half 73.72s
100 Breaststroke LCM 1:18.62
Front half 37.09s · back half 41.53s
200 Breaststroke LCM 2:49.44
Front half 82.46s · back half 86.98s
200 Individual Medley LCM 2:26.69
Front half 67.64s · back half 79.05s
400 Individual Medley LCM 5:04.83
Front half 145.06s · back half 159.77s
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.