swimRostislav Bilyov
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 36.43 | B+1.64s to BB·+14.14s to Sectionals | 2026-03-28 | 2026 Northeast Divisional Championshipsvenue |
| 100 Freestyle | SCY | 1:24.65 | B+5.36s to BB·+36.36s to Sectionals | 2026-03-29 | 2026 Northeast Divisional Championshipsvenue |
| 200 Freestyle | SCY | 3:04.45 | B+13.76s to BB·+78.66s to Sectionals | 2026-03-29 | 2026 Northeast Divisional Championshipsvenue |
| 50 Backstroke | SCY | 49.86 | +1.37s to B·+24.17s to Sectionals | 2026-03-28 | 2026 Northeast Divisional Championshipsvenue |
| 100 Backstroke | SCY | 1:43.36 | +2.27s to B·+48.27s to Sectionals | 2026-03-29 | 2026 Northeast Divisional Championshipsvenue |
| 50 Breaststroke | SCY | 1:01.57 | +8.08s to B·+32.08s to Sectionals | 2025-10-04 | GA 2025 Pentathlonslow pool |
| 50 Butterfly | SCY | 1:02.10 | +15.61s to B·+37.81s to Sectionals | 2026-03-29 | 2026 Northeast Divisional Championshipsvenue |
| 100 Individual Medley | SCY | 1:44.47 | +4.68s to B | 2026-03-28 | 2026 Northeast Divisional Championshipsvenue |
| 200 Individual Medley | SCY | 3:55.48 | +16.89s to B·+116.09s to Sectionals | 2026-03-27 | 2026 Northeast Divisional Championshipsvenue |
| 50 Freestyle | LCM | 40.78 | B+0.99s to BB·+15.19s to Sectionals | 2026-05-30 | 2026 ABSC IMX Knockout Seriesvenue |
| 100 Freestyle | LCM | 1:58.50 | +17.41s to B·+63.21s to Sectionals | 2025-06-27 | Gold Summer Invite 2025 |
| 200 Freestyle | LCM | 3:26.58 | B+11.19s to BB·+85.69s to Sectionals | 2026-05-30 | 2026 ABSC IMX Knockout Seriesvenue |
| 50 Backstroke | LCM | 46.75 | BB+3.66s to A·+16.56s to Sectionals | 2025-06-27 | Gold Summer Invite 2025 |
| 100 Backstroke | LCM | 2:06.19 | +9.50s to B·+61.70s to Sectionals | 2025-06-27 | Gold Summer Invite 2025 |
| 50 Breaststroke | LCM | 1:07.28 | +6.39s to B·+33.09s to Sectionals | 2025-06-27 | Gold Summer Invite 2025 |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 | 36.86 | flying | 200 Free Relay (leg 3) | 2026-03-28 | 2026 Northeast Divisional Championships |
| 50 Freestyle | SCY | 39.11 | flying | 200 Medley Relay (leg 4) | 2026-03-29 | 2026 Northeast Divisional Championships |
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 10 & under · SCY
932 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 3:04.45 | 372 |
| 100 BK SCY | 1:43.36 | 297 |
| 200 IM SCY | 3:55.48 | 263 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 0 |
IMR 10 & under · SCY
1262 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:24.65 | 368 |
| 50 BK SCY | 49.86 | 269 |
| 50 BR SCY | 1:01.57 | 206 |
| 50 FL SCY | 1:02.10 | 121 |
| 100 IM SCY | 1:44.47 | 298 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:24.65
Front half 39.90s · back half 44.75s
200 Freestyle SCY 3:04.45
Front half 88.87s · back half 95.58s
100 Backstroke SCY 1:43.36 RT 0.70s
Front half 51.83s · back half 51.53s
100 Individual Medley SCY 1:44.47
Front half 50.80s · back half 53.67s
200 Individual Medley SCY 3:55.48
200 Freestyle LCM 3:26.58
Front half 102.57s · back half 104.01s
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.
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.