swimBrian Kerzhner
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.42 | B+0.63s to BB | 2026-02-21 | 2026 MR Metro Silver Central Champs - WEST venue |
| 100 Freestyle | SCY | 58.26 | BB+3.97s to A | 2026-02-21 | 2026 MR Metro Silver Central Champs - WEST venue |
| 200 Freestyle | SCY | 2:09.63 | B+1.24s to BB | 2024-01-01 | tri 02november2024 |
| 500 Freestyle | SCY | 6:12.70 | B+23.21s to BB | 2025-11-01 | 2025 MR TRI Fall SCY Invitational venue |
| 50 Backstroke | SCY | 37.91 | +5.22s to B | 2023-01-01 | Metropolitan Swimming Club |
| 100 Backstroke | SCY | 1:16.40 | +6.91s to B | 2026-01-17 | GSA January Jump Start 2026 venue |
| 50 Breaststroke | SCY | 51.20 | +13.71s to B | 2021-12-03 | 2021 MR PAC Christmas Invitational |
| 100 Butterfly | SCY | 1:04.00 | B+0.21s to BB | 2025-11-02 | 2025 MR TRI Fall SCY Invitational venue |
| 200 Butterfly | SCY | 2:37.57 | +3.58s to B | 2026-01-17 | GSA January Jump Start 2026 venue |
| 100 Individual Medley | SCY | 1:07.07 | 2025-11-01 | 2025 MR TRI Fall SCY Invitational | |
| 50 Freestyle | LCM | 30.12 | BB+1.53s to A | 2026-05-03 | 2026 MR COND May Meters Matter Invitational fast pool |
| 100 Freestyle | LCM | 1:05.31 | BB+3.02s to A | 2026-05-30 | 2026 MR SSC A-May-Zing Races Invitational venue |
| 200 Freestyle | LCM | 2:28.97 | B+0.38s to BB | 2026-06-13 | 2026 MR PAC Summer Classic Invitational venue |
| 100 Backstroke | LCM | 1:23.30 | +2.11s to B | 2026-06-14 | 2026 MR PAC Summer Classic Invitational venue |
| 100 Breaststroke | LCM | 2:03.48 | +32.09s to B | 2023-01-01 | cond 07july2023 |
| 50 Butterfly | LCM | 32.95 | BB+1.66s to A | 2026-05-30 | 2026 MR SSC A-May-Zing Races Invitational venue |
| 100 Butterfly | LCM | 1:11.78 | BB+4.49s to A | 2026-05-02 | 2026 MR COND May Meters Matter Invitational fast pool |
| 200 Butterfly | LCM | 2:56.44 | +0.75s to B | 2026-05-03 | 2026 MR COND May Meters Matter Invitational fast pool |
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.51 | flying | 200 Free Relay (leg 4) | 2025-10-04 | 2025 MR QNS Hello Brooklyn Invitational |
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 15-16 · SCY
772 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:12.70 | 407 |
| 200 FL SCY | 2:37.57 | 365 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · LCM
1530 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:28.97 | 490 |
| 100 BK LCM | 1:23.30 | 364 |
| 100 BR LCM | 2:03.48 | 160 |
| 100 FL LCM | 1:11.78 | 516 |
| 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 58.26
Front half 28.34s · back half 29.92s
200 Freestyle SCY 2:09.63 split/total mismatch
Front half 133.27s · back half -3.64s
500 Freestyle SCY 6:12.70
Front half 183.79s · back half 188.91s
100 Backstroke SCY 1:16.40
Front half 37.84s · back half 38.56s
100 Butterfly SCY 1:04.00
Front half 30.01s · back half 33.99s
200 Butterfly SCY 2:37.57
Front half 69.16s · back half 88.41s
100 Freestyle LCM 1:05.31
Front half 31.21s · back half 34.10s
200 Freestyle LCM 2:28.97
Front half 68.08s · back half 80.89s
100 Backstroke LCM 1:23.30
Front half 40.73s · back half 42.57s
100 Butterfly LCM 1:11.78
Front half 32.82s · back half 38.96s
200 Butterfly LCM 2:56.44
Front half 77.52s · back half 98.92s
Progression
Faster times are higher. One card per event, all courses & history.