Mackenzie Collins
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.81 | A+0.92s to AA | 2026-03-29 | 2026 NCAC Spring Tar Heel States - copied venue |
| 100 Freestyle | SCY | 56.29 | A+0.10s to AA | 2026-03-28 | 2026 NCAC Spring Tar Heel States - copied venue |
| 200 Freestyle | SCY | 1:58.45 | AA+1.66s to AAA | 2026-02-20 | 2026 NCS SC SR Champs venue |
| 500 Freestyle | SCY | 5:11.24 | AAA+12.65s to AAAA | 2022-12-08 | 2022 11th HOKI Swim and Tri Winter Champs venue |
| 50 Backstroke | SCY | 28.46 | AA+1.07s to AAA | 2026-03-28 | 2026 NCAC Spring Tar Heel States - copied venue |
| 100 Backstroke | SCY | 59.83 | AA+1.34s to AAA | 2026-03-14 | 2026 NC TAC Speedo Champions Series ESSZ venue |
| 200 Backstroke | SCY | 2:04.38 | AAA+2.99s to AAAA | 2025-01-01 | SA- Best of the South |
| 100 Breaststroke | SCY | 1:20.97 | B+1.88s to BB | 2026-01-10 | 2026 CAT Frozen Frenzy venue |
| 200 Breaststroke | SCY | 2:43.16 | BB+4.67s to A | 2025-10-18 | 2025 NCAC IMX venue |
| 50 Butterfly | SCY | 27.98 | AA+0.59s to AAA | 2026-03-29 | 2026 NCAC Spring Tar Heel States - copied venue |
| 100 Butterfly | SCY | 59.25 | AA+1.26s to AAA | 2026-03-13 | 2026 NC TAC Speedo Champions Series ESSZ venue |
| 200 Butterfly | SCY | 2:09.05 | AA+0.56s to AAA | 2026-03-14 | 2026 NC TAC Speedo Champions Series ESSZ venue |
| 100 Individual Medley | SCY | 1:02.91 | 2026-02-19 | 2026 NCS SC SR Champs venue | |
| 200 Individual Medley | SCY | 2:12.15 | AA+1.66s to AAA | 2026-03-15 | 2026 NC TAC Speedo Champions Series ESSZ venue |
| 400 Individual Medley | SCY | 4:39.80 | AA+1.71s to AAA | 2023-03-24 | 2023 EZ Southern Region Speedo Champ Series venue |
| 50 Freestyle | LCM | 33.28 | BB+2.29s to A | 2019-06-21 | 2019 SE Richard Quick Invitational |
| 100 Freestyle | LCM | 1:05.80 | A+1.61s to AA | 2025-05-18 | NCAC Meet on the Hill 2025 venue |
| 200 Freestyle | LCM | 2:13.83 | AA+0.84s to AAA | 2025-06-29 | EAC Independence Invitational venue |
| 400 Freestyle | LCM | 5:00.11 | A+6.72s to AA | 2025-06-14 | 2025 GCY Sprint and Distance venue |
| 800 Freestyle | LCM | 9:43.92 | AA+2.33s to AAA | 2025-06-26 | EAC Independence Invitational venue |
| 50 Backstroke | LCM | 34.30 | A+0.01s to AA | 2025-06-15 | 2025 GCY Sprint and Distance venue |
| 100 Backstroke | LCM | 1:08.17 | AA+0.18s to AAA | 2025-07-25 | 2025 NCSA Summer Swimming Championships |
| 200 Backstroke | LCM | 2:26.46 | AAA+5.37s to AAAA | 2025-07-25 | 2025 NCSA Summer Swimming Championships |
| 100 Butterfly | LCM | 1:06.41 | AA+0.22s to AAA | 2025-07-25 | 2025 NCSA Summer Swimming Championships |
| 200 Butterfly | LCM | 2:24.60 | AAA+4.91s to AAAA | 2025-07-25 | 2025 NCSA Summer Swimming Championships |
| 200 Individual Medley | LCM | 2:32.10 | AA+2.61s to AAA | 2025-06-29 | EAC Independence Invitational venue |
| 400 Individual Medley | LCM | 5:24.87 | AA+5.58s to AAA | 2025-06-27 | EAC Independence Invitational venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
IMX / IMR
IMX 17-18 · SCY
4836 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:11.24 | 872 |
| 200 BK SCY | 2:04.38 | 877 |
| 200 BR SCY | 2:43.16 | 611 |
| 200 FL SCY | 2:09.05 | 846 |
| 200 IM SCY | 2:12.15 | 800 |
| 400 IM SCY | 4:39.80 | 830 |
IMR 17-18 · SCY
3677 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:58.45 | 809 |
| 100 BK SCY | 59.83 | 776 |
| 100 BR SCY | 1:20.97 | 484 |
| 100 FL SCY | 59.25 | 808 |
| 200 IM SCY | 2:12.15 | 800 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 56.29
Front half 26.96s · back half 29.33s
200 Freestyle SCY 1:58.45
Front half 58.01s · back half 60.44s
500 Freestyle SCY 5:11.24
Front half 154.72s · back half 156.52s
100 Backstroke SCY 59.83
Front half 29.24s · back half 30.59s
200 Backstroke SCY 2:04.38 split/total mismatch
Front half 31.16s · back half 93.22s
100 Breaststroke SCY 1:20.97
Front half 38.34s · back half 42.63s
200 Breaststroke SCY 2:43.16
Front half 78.54s · back half 84.62s
100 Butterfly SCY 59.25
Front half 27.87s · back half 31.38s
200 Butterfly SCY 2:09.05
Front half 61.94s · back half 67.11s
100 Individual Medley SCY 1:02.91
Front half 28.67s · back half 34.24s
200 Individual Medley SCY 2:12.15
Front half 61.64s · back half 70.51s
400 Individual Medley SCY 4:39.80
Front half 132.05s · back half 147.75s
200 Freestyle LCM 2:13.83
Front half 65.84s · back half 67.99s
400 Freestyle LCM 5:00.11
Front half 146.99s · back half 153.12s
800 Freestyle LCM 9:43.92
Front half 291.67s · back half 292.25s
200 Individual Medley LCM 2:32.10
Front half 69.78s · back half 82.32s
400 Individual Medley LCM 5:24.87
Front half 153.78s · back half 171.09s
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.