Mark Seledkov
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.98 | A+0.29s to AA | 2023-03-12 | 2023 Northwest Spring Speedo Sectionals venue |
| 100 Freestyle | SCY | 51.59 | A+1.70s to AA | 2025-01-25 | Oregon YMCA Champrionship venue |
| 100 Backstroke | SCY | 58.62 | BB+2.43s to A | 2024-11-02 | 2024 McSwimville Invitational venue |
| 100 Breaststroke | SCY | 1:00.15 | AA+1.26s to AAA | 2025-02-22 | 2025 OSAA 6A Championships venue |
| 200 Breaststroke | SCY | 2:16.53 | A+2.74s to AA | 2023-03-09 | 2023 Northwest Spring Speedo Sectionals venue |
| 100 Butterfly | SCY | 54.40 | A+0.51s to AA | 2023-03-10 | 2023 Northwest Spring Speedo Sectionals venue |
| 200 Individual Medley | SCY | 2:05.18 | A+3.69s to AA | 2024-01-12 | 2024 PN VAST 47th Annual Washington Open venue |
| 50 Freestyle | LCM | 27.06 | A+0.77s to AA | 2022-07-29 | Finals - Western Zone Senior Champs fast pool |
| 100 Breaststroke | LCM | 1:12.28 | A+0.69s to AA | 2022-07-30 | Finals - Western Zone Senior Champs fast pool |
| 200 Breaststroke | LCM | 2:43.30 | BB+0.01s to A | 2022-07-27 | Finals - Western Zone Senior Champs fast pool |
| 200 Individual Medley | LCM | 2:29.91 | BB+1.82s to A | 2022-07-28 | Finals - Western Zone Senior Champs fast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 | 22.69 | flat | 200 Free Relay | 2023-03-09 | 2023 Northwest Spring Speedo Sectionals |
| 100 Freestyle | SCY | 49.65 | flying | 400 Free Relay (leg 2) | 2023-03-10 | 2023 Northwest Spring Speedo Sectionals |
| 50 Breaststroke | SCY | 27.87 | flying | 200 Medley Relay (leg 2) | 2024-11-02 | 2024 McSwimville Invitational |
| 100 Breaststroke | SCY | 1:00.37 | flying | 400 Medley Relay (leg 2) | 2023-03-12 | 2023 Northwest Spring Speedo Sectionals |
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 17-18 · SCY
1397 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:16.53 | 708 |
| 200 IM SCY | 2:05.18 | 689 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
2809 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 58.62 | 580 |
| 100 BR SCY | 1:00.15 | 806 |
| 100 FL SCY | 54.40 | 734 |
| 200 IM SCY | 2:05.18 | 689 |
| 200 FR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke SCY 58.62
Front half 28.50s · back half 30.12s
100 Breaststroke SCY 1:00.15
Front half 28.30s · back half 31.85s
200 Breaststroke SCY 2:16.53 RT 0.50s
Front half 64.18s · back half 72.35s
100 Butterfly SCY 54.40 RT 0.60s
Front half 24.91s · back half 29.49s
200 Individual Medley SCY 2:05.18 RT 0.53s
Front half 59.15s · back half 66.03s
100 Breaststroke LCM 1:12.28
Front half 34.13s · back half 38.15s
200 Breaststroke LCM 2:43.30
Front half 78.97s · back half 84.33s
200 Individual Medley LCM 2:29.91
Front half 71.86s · back half 78.05s
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.