swimSergei Tiumentsev
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.15 | AA+0.46s to AAA | 2024-01-01 | free 16november2024 |
| 100 Freestyle | SCY | 48.03 | AA+0.34s to AAA | 2026-03-29 | 2026 EZ North Speedo Short Course Sectionals venue |
| 200 Freestyle | SCY | 1:45.53 | AA+0.14s to AAA | 2025-12-14 | 35th Annual Winter Championships venue |
| 50 Backstroke | SCY | 25.17 | AA+0.88s to AAA | 2025-12-12 | 35th Annual Winter Championships venue |
| 100 Backstroke | SCY | 54.62 | A+0.73s to AA | 2026-03-15 | 2026 MR 15-18 Age Group Team Challenge venue |
| 50 Butterfly | SCY | 23.20 | AAA+0.01s to AAAA | 2025-12-13 | 35th Annual Winter Championships venue |
| 100 Butterfly | SCY | 51.30 | AAA+2.11s to AAAA | 2026-03-26 | 2026 EZ North Speedo Short Course Sectionals |
| 200 Butterfly | SCY | 2:15.46 | BB+8.97s to A | 2025-10-25 | 2025 MR QNS Can I Kick It Invitational venue |
| 50 Freestyle | SCM | 26.24 | BB+0.05s to A | 2024-05-19 | 2024 MR FREE May Meters Showdown (SCM) venue |
| 50 Backstroke | SCM | 28.94 | A+0.95s to AA | 2023-05-07 | 2023 MR FREE Freedom Meters Showdown venue |
| 100 Backstroke | SCM | 1:01.99 | A+2.40s to AA | 2023-05-06 | 2023 MR FREE Freedom Meters Showdown venue |
| 50 Freestyle | LCM | 27.47 | BB+0.08s to A | 2024-05-12 | 2024 MR LIAC Spring Kickoff Invitational venue |
| 100 Freestyle | LCM | 57.53 | AA+2.34s to AAA | 2024-05-11 | 2024 MR LIAC Spring Kickoff Invitational venue |
| 200 Freestyle | LCM | 2:10.17 | A+3.98s to AA | 2023-07-22 | 2023 MR Metro LC Age Group Championships venue |
| 50 Backstroke | LCM | 28.52 | AAA+0.53s to AAAA | 2024-07-01 | KA Firecracker Classic Long Course A/BB/C Invitational |
| 100 Backstroke | LCM | 1:02.52 | AA+1.13s to AAA | 2024-07-01 | KA Firecracker Classic Long Course A/BB/C Invitational |
| 200 Backstroke | LCM | 2:20.29 | A+0.50s to AA | 2024-05-11 | 2024 MR LIAC Spring Kickoff Invitational venue |
| 100 Butterfly | LCM | 59.39 | AA+0.50s to AAA | 2024-07-01 | KA Firecracker Classic Long Course A/BB/C Invitational |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.40 | flying | 200 Medley Relay (leg 4) | 2026-02-13 | 2026 MR TYR Senior Mets Winter Championship |
| 50 Freestyle | SCY | 22.20 | flying | 200 Free Relay (leg 2) | 2026-02-13 | 2026 MR TYR Senior Mets Winter Championship |
| 100 Freestyle | SCY | 47.59 | flying | 400 Medley Relay (leg 4) | 2026-03-29 | 2026 EZ North Speedo Short Course Sectionals |
| 100 Freestyle | LCM | 58.56 | flat | 400 Free Relay | 2024-07-20 | 2024 Metropolitan LC Junior Met Championships |
| 50 Backstroke | LCM | 29.04 | flat | 200 Medley Relay | 2024-07-19 | 2024 Metropolitan LC Junior Met Championships |
| 100 Backstroke | LCM | 1:04.83 | flat | 400 Medley Relay | 2023-07-23 | 2023 MR Metro LC Age Group 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 17-18 · LCM
739 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK LCM | 2:20.29 | 739 |
| 400 FR LCM | — | 0 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · SCY
2448 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:45.53 | 855 |
| 100 BK SCY | 54.62 | 717 |
| 100 FL SCY | 51.30 | 876 |
| 100 BR SCY | — | 0 |
| 200 IM SCY | — | 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 48.03
Front half 23.31s · back half 24.72s
200 Freestyle SCY 1:45.53
Front half 50.14s · back half 55.39s
100 Backstroke SCY 54.62
Front half 25.99s · back half 28.63s
200 Butterfly SCY 2:15.46
Front half 59.76s · back half 75.70s
100 Backstroke SCM 1:01.99
Front half 29.69s · back half 32.30s
100 Freestyle LCM 57.53
Front half 27.71s · back half 29.82s
200 Freestyle LCM 2:10.17
Front half 62.64s · back half 67.53s
100 Backstroke LCM 1:02.52 split/total mismatch
Front half 30.13s · back half 32.39s
200 Backstroke LCM 2:20.29
Front half 68.06s · back half 72.23s
100 Butterfly LCM 59.39 split/total mismatch
Front half 27.52s · back half 31.87s
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.