swimMason Collier
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.09 | AA+1.00s to AAA | 2025-11-15 | 2025 MW MAC Sr Finals and Prelim/Finals venue |
| 100 Freestyle | SCY | 50.31 | AA+2.02s to AAA | 2025-11-14 | 2025 MW MAC Sr Finals and Prelim/Finals venue |
| 200 Freestyle | SCY | 1:53.10 | A+1.91s to AA | 2025-11-15 | 2025 MW MAC Sr Finals and Prelim/Finals venue |
| 50 Backstroke | SCY | 25.74 | A+0.05s to AA | 2025-03-16 | Region VIII Speedo Spring Sectionals venue |
| 100 Backstroke | SCY | 54.34 | AA+1.85s to AAA | 2025-03-15 | Region VIII Speedo Spring Sectionals venue |
| 200 Backstroke | SCY | 1:56.48 | AA+1.69s to AAA | 2025-03-13 | Region VIII Speedo Spring Sectionals venue |
| 50 Butterfly | SCY | 36.78 | +5.59s to B | 2018-01-13 | 2018 MW Midwest All Stars slow pool |
| 100 Butterfly | SCY | 1:31.68 | +25.59s to B | 2018-01-14 | 2018 MW Midwest All Stars slow pool |
| 200 Individual Medley | SCY | 2:05.65 | A+2.76s to AA | 2025-03-16 | Region VIII Speedo Spring Sectionals venue |
| 50 Freestyle | LCM | 26.55 | AA+1.06s to AAA | 2024-06-21 | 2024 MN AQJT Aquajets Summer Spectacular venue |
| 100 Freestyle | LCM | 58.16 | A+0.07s to AA | 2024-06-23 | 2024 MN AQJT Aquajets Summer Spectacular venue |
| 50 Backstroke | LCM | 30.21 | AA+0.82s to AAA | 2024-07-10 | 2024 MV CZ Region VIII Speedo Summer |
| 100 Backstroke | LCM | 1:02.84 | AA+0.95s to AAA | 2025-06-29 | 2025 MN AQJT Aquajets Summer Spectacular venue |
| 200 Backstroke | LCM | 2:17.21 | AA+2.42s to AAA | 2024-03-14 | Region VIII Speedo Spring Sectionals venue |
| 200 Individual Medley | LCM | 2:22.76 | A+0.37s to AA | 2024-06-21 | 2024 MN AQJT Aquajets Summer Spectacular 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.
IMX / IMR
IMX 17-18 · LCM
1527 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK LCM | 2:17.21 | 790 |
| 200 IM LCM | 2:22.76 | 737 |
| 400 FR LCM | — | 0 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · SCY
2257 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:53.10 | 695 |
| 100 BK SCY | 54.34 | 728 |
| 100 FL SCY | 1:31.68 | 153 |
| 200 IM SCY | 2:05.65 | 681 |
| 100 BR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 50.31
Front half 24.00s · back half 26.31s
200 Freestyle SCY 1:53.10
Front half 55.25s · back half 57.85s
100 Backstroke SCY 54.34
Front half 26.60s · back half 27.74s
200 Backstroke SCY 1:56.48
Front half 56.60s · back half 59.88s
100 Butterfly SCY 1:31.68
Front half 41.15s · back half 50.53s
200 Individual Medley SCY 2:05.65 RT 0.72s
Front half 57.51s · back half 68.14s
100 Freestyle LCM 58.16
Front half 28.32s · back half 29.84s
100 Backstroke LCM 1:02.84
Front half 30.16s · back half 32.68s
200 Backstroke LCM 2:17.21
Front half 66.04s · back half 71.17s
200 Individual Medley LCM 2:22.76
Front half 64.76s · back half 78.00s
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.