swimMason Sellnow
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 31.90 | 2022-02-14 | Eels Winter Meet slow pool | |
| 50 Freestyle | SCY | 37.42 | +2.33s to B | 2024-03-02 | AD Silver Short Course Championships RPI venue |
| 100 Freestyle | SCY | 57.86 | AAA+0.77s to AAAA | 2022-07-23 | Shark Attack Sizzle |
| 200 Freestyle | SCY | 3:28.20 | +41.61s to B | 2023-10-22 | Trick or Treat Meet slow pool |
| 500 Freestyle | SCY | 9:04.28 | +98.09s to B | 2024-01-13 | Chris Goody IMX Challenge venue |
| 25 Backstroke | SCY | 32.53 | 2022-02-14 | Eels Winter Meet slow pool | |
| 50 Backstroke | SCY | 48.11 | +6.92s to B | 2024-03-03 | AD Silver Short Course Championships RPI venue |
| 100 Backstroke | SCY | 1:45.73 | +15.94s to B | 2024-03-02 | AD Silver Short Course Championships RPI venue |
| 50 Breaststroke | SCY | 50.30 | +3.41s to B | 2024-03-02 | AD Silver Short Course Championships RPI venue |
| 100 Breaststroke | SCY | 1:49.13 | +8.84s to B | 2024-03-03 | AD Silver Short Course Championships RPI venue |
| 50 Butterfly | SCY | 49.25 | +9.16s to B | 2024-02-04 | Delmar Dolfins February Freeze venue |
| 100 Butterfly | SCY | 2:07.20 | +36.71s to B | 2024-01-14 | Chris Goody IMX Challenge venue |
| 100 Individual Medley | SCY | 1:40.05 | +11.96s to B | 2024-02-04 | Delmar Dolfins February Freeze venue |
| 200 Individual Medley | SCY | 1:55.53 | AAAA | 2022-07-23 | Shark Attack Sizzle |
| 50 Freestyle | SCM | 55.75 | +16.96s to B | 2023-05-21 | 2023 Starfish Meter Madness venue |
| 50 Backstroke | SCM | 1:02.62 | +17.03s to B | 2023-05-21 | 2023 Starfish Meter Madness venue |
| 100 Individual Medley | SCM | 2:15.98 | +38.69s to B | 2023-05-21 | 2023 Starfish Meter Madness venue |
| 50 Freestyle | LCM | 47.02 | +7.13s to B | 2023-07-21 | 2023 Adirondack Long Course Championships fast pool |
| 100 Freestyle | LCM | 1:45.21 | +17.42s to B | 2023-07-22 | 2023 Adirondack Long Course Championships fast pool |
| 200 Freestyle | LCM | 4:44.72 | +94.93s to B | 2022-07-09 | Hawks Summer Invitational 2022 venue |
| 50 Backstroke | LCM | 53.40 | +5.81s to B | 2023-07-23 | 2023 Adirondack Long Course Championships fast pool |
| 100 Backstroke | LCM | 2:41.37 | +56.68s to B | 2022-07-09 | Hawks Summer Invitational 2022 venue |
| 50 Breaststroke | LCM | 1:04.15 | +10.76s to B | 2023-07-21 | 2023 Adirondack Long Course Championships fast pool |
| 50 Butterfly | LCM | 1:01.38 | +16.09s to B | 2023-07-22 | 2023 Adirondack Long Course Championships fast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 11-12 · SCY
1810 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 9:04.28 | 193 |
| 100 BK SCY | 1:45.73 | 178 |
| 100 BR SCY | 1:49.13 | 239 |
| 100 FL SCY | 2:07.20 | 100 |
| 200 IM SCY | 1:55.53 | 1100 |
IMR 11-12 · SCY
1009 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 3:28.20 | 177 |
| 50 BK SCY | 48.11 | 201 |
| 50 BR SCY | 50.30 | 245 |
| 50 FL SCY | 49.25 | 159 |
| 100 IM SCY | 1:40.05 | 227 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 3:28.20
500 Freestyle SCY 9:04.28
100 Backstroke SCY 1:45.73
Front half 51.15s · back half 54.58s
100 Breaststroke SCY 1:49.13
Front half 51.33s · back half 57.80s
100 Butterfly SCY 2:07.20
Front half 60.03s · back half 67.17s
100 Individual Medley SCY 1:40.05
Front half 48.17s · back half 51.88s
100 Individual Medley SCM 2:15.98
Front half 67.71s · back half 68.27s
Progression
Faster times are higher. One card per event, all courses & history.