swimMatthew Koronkevitch
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 21.26 | 2019-11-09 | Harvest Classic 2019slow pool | |
| 50 Freestyle | SCY | 27.58 | BB+1.99s to A·+5.29s to Sectionals | 2026-01-01 | full results |
| 100 Freestyle | SCY | 1:01.14 | B+0.75s to BB·+12.85s to Sectionals | 2026-01-01 | full results |
| 200 Freestyle | SCY | 2:17.02 | B+4.63s to BB·+31.23s to Sectionals | 2026-01-01 | full results |
| 500 Freestyle | SCY | 6:46.39 | +20.40s to B·+120.30s to Sectionals | 2024-12-06 | Cardinal Christmas Classicvenue |
| 25 Backstroke | SCY | 27.47 | 2019-01-01 | 2019 jack thompson results | |
| 50 Backstroke | SCY | 42.00 | +8.31s to B·+16.31s to Sectionals | 2024-10-06 | 2024 SwimVille_USA Jack Thompson Classicvenue |
| 100 Backstroke | SCY | 1:34.54 | +23.15s to B·+39.45s to Sectionals | 2024-02-11 | Cardinal/Dolphins Tri Meet 2024venue |
| 25 Breaststroke | SCY | 31.38 | 2019-11-09 | Harvest Classic 2019slow pool | |
| 50 Breaststroke | SCY | 47.91 | +9.32s to B·+18.42s to Sectionals | 2024-02-11 | Cardinal/Dolphins Tri Meet 2024venue |
| 100 Breaststroke | SCY | 1:18.96 | B+4.07s to BB·+16.27s to Sectionals | 2026-01-01 | 2023 Cardinal Aquatics Christmas Classic |
| 200 Breaststroke | SCY | 2:52.69 | B+9.90s to BB·+33.40s to Sectionals | 2026-01-01 | full results |
| 25 Butterfly | SCY | 29.44 | 2019-11-09 | Harvest Classic 2019slow pool | |
| 50 Butterfly | SCY | 33.97 | +0.78s to B·+9.68s to Sectionals | 2026-01-01 | 2023 Cardinal Aquatics Christmas Classic |
| 100 Butterfly | SCY | 1:20.92 | +10.43s to B·+28.23s to Sectionals | 2024-12-08 | Cardinal Christmas Classicvenue |
| 100 Individual Medley | SCY | 2:07.54 | 2020-02-15 | 2020 Seahawk Dare to Care Winter Invitevenue | |
| 200 Individual Medley | SCY | 2:35.29 | B+8.60s to BB·+35.90s to Sectionals | 2026-01-01 | full results |
| 50 Freestyle | LCM | 31.77 | BB+2.38s to A·+6.18s to Sectionals | 2026-05-09 | 2026 Cardinal Aquatics Summer Throwdownvenue |
| 100 Freestyle | LCM | 1:11.15 | B+1.36s to BB·+15.86s to Sectionals | 2026-05-10 | 2026 Cardinal Aquatics Summer Throwdownvenue |
| 200 Freestyle | LCM | 2:59.42 | +15.43s to B·+58.53s to Sectionals | 2024-05-11 | 2024 Cardinal Aquatics Summer Throwdownslow pool |
| 50 Backstroke | LCM | 50.15 | +10.66s to B·+19.96s to Sectionals | 2024-05-12 | 2024 Cardinal Aquatics Summer Throwdownslow pool |
| 100 Backstroke | LCM | 1:53.33 | +29.64s to B·+48.84s to Sectionals | 2024-05-11 | 2024 Cardinal Aquatics Summer Throwdownslow pool |
| 50 Breaststroke | LCM | 1:01.36 | +17.27s to B·+27.17s to Sectionals | 2023-05-13 | 2023 Cardinal Aquatics Summer Throwdownslow pool |
| 100 Breaststroke | LCM | 1:33.31 | B+6.02s to BB·+20.92s to Sectionals | 2026-05-09 | 2026 Cardinal Aquatics Summer Throwdownvenue |
| 200 Breaststroke | LCM | 3:26.85 | +2.96s to B·+46.46s to Sectionals | 2026-05-10 | 2026 Cardinal Aquatics Summer Throwdownvenue |
| 50 Butterfly | LCM | 44.82 | +7.53s to B·+17.03s to Sectionals | 2024-05-12 | 2024 Cardinal Aquatics Summer Throwdownslow pool |
| 100 Butterfly | LCM | 1:39.84 | +19.55s to B·+39.35s to Sectionals | 2025-05-11 | 2025 Cardinal Aquatics Summer Throwdownslow pool |
| 200 Individual Medley | LCM | 3:16.88 | +13.89s to B·+59.19s to Sectionals | 2025-05-11 | 2025 Cardinal Aquatics Summer Throwdownslow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
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 | 34.54 | flying | 200 Free Relay (leg 2) | 2024-01-28 | 2024 Triton Super Sprint |
| 50 Freestyle | SCY | 34.20 | flying | 200 Medley Relay (leg 4) | 2024-01-28 | 2024 Triton Super Sprint |
| 50 Breaststroke | SCY | 40.01 | flying | 200 Medley Relay (leg 2) | 2023-12-03 | Cardinal Christmas Classic |
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 13-14 · SCY
1242 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:46.39 | 360 |
| 200 BR SCY | 2:52.69 | 438 |
| 200 IM SCY | 2:35.29 | 444 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
1825 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:17.02 | 474 |
| 100 BK SCY | 1:34.54 | 181 |
| 100 BR SCY | 1:18.96 | 447 |
| 100 FL SCY | 1:20.92 | 279 |
| 200 IM SCY | 2:35.29 | 444 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
500 Freestyle SCY 6:46.39
Front half 198.82s · back half 207.57s
100 Backstroke SCY 1:34.54
Front half 45.90s · back half 48.64s
100 Butterfly SCY 1:20.92
Front half 36.70s · back half 44.22s
100 Individual Medley SCY 2:07.54
Front half 58.77s · back half 68.77s
100 Freestyle LCM 1:11.15
Front half 33.67s · back half 37.48s
200 Freestyle LCM 2:59.42
Front half 87.18s · back half 92.24s
100 Backstroke LCM 1:53.33
Front half 52.86s · back half 60.47s
100 Breaststroke LCM 1:33.31
Front half 43.36s · back half 49.95s
200 Breaststroke LCM 3:26.85
Front half 99.98s · back half 106.87s
100 Butterfly LCM 1:39.84
Front half 41.16s · back half 58.68s
200 Individual Medley LCM 3:16.88
Front half 94.64s · back half 102.24s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.