Platon Koshelnyk
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.85 | B+2.06s to BB | 2025-02-22 | 2025 OH BSC SC Regional Championships venue |
| 100 Freestyle | SCY | 59.39 | B+0.60s to BB | 2026-03-08 | 2026 OH Tim Myers SC Senior Champs fast pool |
| 200 Freestyle | SCY | 2:29.16 | +10.87s to B | 2025-02-21 | 2025 OH BSC SC Regional Championships venue |
| 500 Freestyle | SCY | 7:19.90 | +63.61s to B | 2024-02-23 | 2024 OH UASC SC Regional Championships |
| 50 Backstroke | SCY | 32.03 | B+1.74s to BB | 2026-03-06 | 2026 OH Tim Myers SC Senior Champs fast pool |
| 100 Backstroke | SCY | 1:12.09 | +2.60s to B | 2026-03-07 | 2026 OH Tim Myers SC Senior Champs fast pool |
| 200 Backstroke | SCY | 2:44.84 | +13.05s to B | 2025-02-23 | 2025 OH BSC SC Regional Championships venue |
| 100 Breaststroke | SCY | 1:30.73 | +12.14s to B | 2025-02-21 | 2025 OH BSC SC Regional Championships venue |
| 50 Butterfly | SCY | 32.77 | +0.38s to B | 2026-03-08 | 2026 OH Tim Myers SC Senior Champs fast pool |
| 100 Individual Medley | SCY | 1:13.86 | 2026-03-06 | 2026 OH Tim Myers SC Senior Champs fast pool | |
| 50 Freestyle | LCM | 31.24 | B+0.25s to BB | 2025-07-12 | 2025 OH SW LC Regional Champs fast pool |
| 100 Freestyle | LCM | 1:16.95 | +4.26s to B | 2025-07-13 | 2025 OH SW LC Regional Champs fast pool |
| 200 Freestyle | LCM | 2:18.93 | BB+1.74s to A | 2024-07-12 | 2024 OH CM LC Regional Champs |
| 50 Backstroke | LCM | 48.41 | +9.72s to B | 2023-05-06 | 2023 NCAT TYR LC Age Group & Open |
| 100 Backstroke | LCM | 1:22.17 | +0.98s to B | 2025-07-13 | 2025 OH SW LC Regional Champs fast pool |
| 200 Backstroke | LCM | 3:15.01 | +18.82s to B | 2024-07-13 | 2024 OH CM LC Regional Champs venue |
| 100 Breaststroke | LCM | 1:45.70 | +14.31s to B | 2025-07-11 | 2025 OH SW LC Regional Champs |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
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 15-16 · SCY
549 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 7:19.90 | 247 |
| 200 BK SCY | 2:44.84 | 302 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · LCM
1238 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:18.93 | 604 |
| 100 BK LCM | 1:22.17 | 379 |
| 100 BR LCM | 1:45.70 | 255 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 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 59.39
Front half 28.19s · back half 31.20s
200 Freestyle SCY 2:29.16
500 Freestyle SCY 7:19.90
Front half 217.73s · back half 222.17s
100 Backstroke SCY 1:12.09
Front half 35.33s · back half 36.76s
200 Backstroke SCY 2:44.84
100 Breaststroke SCY 1:30.73
Front half 41.47s · back half 49.26s
100 Individual Medley SCY 1:13.86
Front half 32.00s · back half 41.86s
100 Backstroke LCM 1:22.17 RT 0.67s
Front half 38.57s · back half 43.60s
200 Backstroke LCM 3:15.01
Front half 93.90s · back half 101.11s
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.