Zach Burk
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.37 | AA+0.68s to AAA | 2026-03-01 | 2026 Winter ISI Regionals- MAVS - copied - co venue |
| 100 Freestyle | SCY | 50.56 | AA+0.77s to AAA | 2026-02-28 | 2026 Winter ISI Regionals- MAVS - copied - co venue |
| 200 Freestyle | SCY | 1:48.87 | AA+0.18s to AAA | 2026-03-01 | 2026 Winter ISI Regionals- MAVS - copied - co venue |
| 50 Backstroke | SCY | 25.10 | AAA+0.61s to AAAA | 2026-03-06 | 2026 SC Illinois Senior Championships - copi venue |
| 100 Backstroke | SCY | 54.29 | AAA+2.20s to AAAA | 2026-03-07 | 2026 SC Illinois Senior Championships - copi venue |
| 200 Backstroke | SCY | 2:05.56 | A+0.87s to AA | 2026-02-28 | 2026 Winter ISI Regionals- MAVS - copied - co venue |
| 100 Breaststroke | SCY | 1:12.03 | BB+4.64s to A | 2024-06-16 | 2024 CZ Multi-Cultural Meet slow pool |
| 50 Butterfly | SCY | 24.23 | AAAA | 2026-03-07 | 2026 SC Illinois Senior Championships - copi venue |
| 100 Butterfly | SCY | 53.42 | AAA+1.93s to AAAA | 2026-03-05 | 2026 SC Illinois Senior Championships - copi venue |
| 200 Butterfly | SCY | 2:07.78 | A+1.29s to AA | 2026-03-01 | 2026 Winter ISI Regionals- MAVS - copied - co venue |
| 200 Individual Medley | SCY | 2:05.12 | AA+3.93s to AAA | 2026-02-28 | 2026 Winter ISI Regionals- MAVS - copied - co venue |
| 50 Freestyle | LCM | 26.58 | AA+0.39s to AAA | 2025-07-27 | Illinois Swimming Age Group Champs LC 25 venue |
| 100 Freestyle | LCM | 58.93 | AA+1.84s to AAA | 2025-07-24 | Illinois Swimming Age Group Champs LC 25 venue |
| 50 Backstroke | LCM | 30.20 | AAA+1.21s to AAAA | 2025-07-27 | Illinois Swimming Age Group Champs LC 25 venue |
| 100 Backstroke | LCM | 1:09.28 | A+2.59s to AA | 2025-07-24 | Illinois Swimming Age Group Champs LC 25 venue |
| 50 Butterfly | LCM | 28.03 | AAA+0.64s to AAAA | 2025-07-25 | Illinois Swimming Age Group Champs LC 25 venue |
| 100 Butterfly | LCM | 1:03.15 | AA+1.46s to AAA | 2025-07-26 | Illinois Swimming Age Group Champs LC 25 venue |
| 200 Butterfly | LCM | 2:32.17 | BB+1.58s to A | 2023-08-04 | 2023 Central Zone 14 & U Championship - KS slow pool |
| 200 Individual Medley | LCM | 2:32.24 | A+5.35s to AA | 2024-05-12 | Blue Devil Swim Club May Mania venue |
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 | 23.33 | flying | 200 Free Relay (leg 2) | 2025-03-13 | 2025 ISI Winter 11-14 Age Group Championships |
| 100 Freestyle | SCY | 51.95 | flying | 400 Free Relay (leg 2) | 2025-03-16 | 2025 ISI Winter 11-14 Age Group Championships |
| 200 Freestyle | SCY | 1:49.83 | flying | 800 Free Relay (leg 3) | 2024-03-08 | 2024 IL Swimming SC Age Group Championships |
| 50 Butterfly | SCY | 23.72 | flying | 200 Medley Relay (leg 3) | 2026-03-08 | 2026 SC Illinois Senior Championships - copi |
| 100 Butterfly | SCY | 56.02 | flying | 400 Medley Relay (leg 3) | 2025-03-15 | 2025 ISI Winter 11-14 Age Group Championships |
| 100 Butterfly | LCM | 1:04.18 | flying | 400 Medley Relay (leg 3) | 2025-08-02 | 2025 LC Illinois Senior 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 15-16 · SCY
2110 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:05.56 | 685 |
| 200 FL SCY | 2:07.78 | 685 |
| 200 IM SCY | 2:05.12 | 740 |
| 500 FR SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
3727 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:48.87 | 822 |
| 100 BK SCY | 54.29 | 813 |
| 100 BR SCY | 1:12.03 | 513 |
| 100 FL SCY | 53.42 | 839 |
| 200 IM SCY | 2:05.12 | 740 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 50.56
Front half 23.82s · back half 26.74s
200 Freestyle SCY 1:48.87
Front half 52.46s · back half 56.41s
100 Backstroke SCY 54.29
Front half 26.38s · back half 27.91s
200 Backstroke SCY 2:05.56
Front half 60.47s · back half 65.09s
100 Breaststroke SCY 1:12.03
Front half 34.18s · back half 37.85s
100 Butterfly SCY 53.42
Front half 24.95s · back half 28.47s
200 Butterfly SCY 2:07.78
Front half 58.38s · back half 69.40s
200 Individual Medley SCY 2:05.12
Front half 57.69s · back half 67.43s
100 Freestyle LCM 58.93 RT 0.68s
Front half 27.76s · back half 31.17s
100 Backstroke LCM 1:09.28
Front half 33.12s · back half 36.16s
100 Butterfly LCM 1:03.15 RT 0.72s
Front half 29.46s · back half 33.69s
200 Butterfly LCM 2:32.17
Front half 73.48s · back half 78.69s
200 Individual Medley LCM 2:32.24
Front half 69.73s · back half 82.51s
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.