Ian Brenenborg
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.28 | BB+1.59s to A | 2022-11-20 | The 2022 Mark J. Braun Fall Classic venue |
| 100 Freestyle | SCY | 57.06 | A+1.57s to AA | 2024-12-13 | Club Mountaineer Speedo Invite venue |
| 200 Freestyle | SCY | 1:52.52 | AAA+1.73s to AAAA | 2026-03-06 | 2026 AMS Age Group Championships - copied fast pool |
| 500 Freestyle | SCY | 4:50.16 | AAAA | 2026-03-07 | 2026 AMS Age Group Championships - copied fast pool |
| 1000 Freestyle | SCY | 9:51.60 | AAAA | 2026-03-08 | 2026 AMS Age Group Championships - copied fast pool |
| 1650 Freestyle | SCY | 16:33.04 | AAAA | 2026-03-05 | 2026 AMS Age Group Championships - copied fast pool |
| 50 Backstroke | SCY | 31.26 | BB+0.87s to A | 2023-11-19 | The 2023 Mark J. Braun Fall Classic venue |
| 100 Backstroke | SCY | 58.31 | AAA+2.52s to AAAA | 2026-03-06 | 2026 AMS Age Group Championships - copied fast pool |
| 200 Backstroke | SCY | 2:00.92 | AAAA | 2026-03-08 | 2026 AMS Age Group Championships - copied fast pool |
| 100 Breaststroke | SCY | 1:19.19 | B+0.90s to BB | 2024-01-27 | 2024 USAS IMX Games venue |
| 200 Breaststroke | SCY | 2:30.77 | A+0.48s to AA | 2026-01-24 | 2026 USAS IMX Games fast pool |
| 50 Butterfly | SCY | 28.06 | AA+0.77s to AAA | 2025-03-15 | WV 2025 Short Course Championships 2 Pools venue |
| 100 Butterfly | SCY | 58.35 | AA+0.36s to AAA | 2026-03-08 | 2026 AMS Age Group Championships - copied fast pool |
| 200 Butterfly | SCY | 2:04.38 | AAA+0.39s to AAAA | 2026-03-07 | 2026 AMS Age Group Championships - copied fast pool |
| 100 Individual Medley | SCY | 1:02.36 | 2025-11-15 | 2025 NBAC Thanksgiving Meet fast pool | |
| 200 Individual Medley | SCY | 2:06.39 | AAA+2.90s to AAAA | 2026-03-07 | 2026 AMS Age Group Championships - copied fast pool |
| 400 Individual Medley | SCY | 4:19.45 | AAAA | 2026-03-06 | 2026 AMS Age Group Championships - copied fast pool |
| 100 Freestyle | LCM | 1:05.26 | A+0.97s to AA | 2024-07-13 | 2024 AM WV LCM Age Group Championships venue |
| 200 Freestyle | LCM | 2:09.95 | AAA+2.46s to AAAA | 2025-06-30 | Chargers Mid Season Long Course Invitational |
| 400 Freestyle | LCM | 4:22.45 | AAAA | 2026-05-16 | 2026 EZ LC Speedo Super Sectionals venue |
| 800 Freestyle | LCM | 8:57.90 | AAAA | 2026-05-17 | 2026 EZ LC Speedo Super Sectionals venue |
| 1500 Freestyle | LCM | 17:03.32 | AAAA | 2025-08-10 | 2025 LC Senior Zone Championship venue |
| 50 Backstroke | LCM | 34.30 | A+0.41s to AA | 2024-08-10 | 2024 EZ LC Age Group Championship venue |
| 100 Backstroke | LCM | 1:09.88 | AA+1.19s to AAA | 2025-06-30 | Chargers Mid Season Long Course Invitational |
| 200 Backstroke | LCM | 2:22.96 | AAA+0.57s to AAAA | 2026-05-17 | 2026 EZ LC Speedo Super Sectionals venue |
| 50 Breaststroke | LCM | 46.02 | +0.13s to B | 2022-06-19 | Holtrey Summer Classic venue |
| 100 Breaststroke | LCM | 1:32.45 | B+2.16s to BB | 2024-06-01 | 2024 AM LC HD Age Group Open venue |
| 200 Breaststroke | LCM | 3:15.26 | BB+12.37s to A | 2024-06-02 | 2024 AM LC HD Age Group Open venue |
| 50 Butterfly | LCM | 32.87 | A+0.78s to AA | 2024-06-12 | Long Course Classic |
| 100 Butterfly | LCM | 1:10.51 | A+1.42s to AA | 2024-07-14 | 2024 AM WV LCM Age Group Championships venue |
| 200 Butterfly | LCM | 2:21.68 | AAAA | 2026-05-16 | 2026 EZ LC Speedo Super Sectionals venue |
| 200 Individual Medley | LCM | 2:32.02 | AA+2.43s to AAA | 2025-06-01 | 2025 AM LC HD Age Group Open venue |
| 400 Individual Medley | LCM | 4:59.34 | AAAA | 2026-05-15 | 2026 EZ LC Speedo Super Sectionals venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 | 26.40 | flat | 200 Free Relay | 2023-11-19 | The 2023 Mark J. Braun Fall Classic |
| 50 Freestyle | SCY | 26.32 | flying | 200 Medley Relay (leg 4) | 2024-12-15 | Club Mountaineer Speedo Invite |
| 50 Freestyle | SCY | 26.97 | flying | 200 Free Relay (leg 2) | 2024-12-13 | Club Mountaineer Speedo Invite |
| 100 Freestyle | SCY | 55.94 | flying | 400 Free Relay (leg 3) | 2025-03-14 | WV 2025 Short Course Championships 2 Pools |
| 100 Backstroke | SCY | 58.50 | flat | 400 Medley Relay | 2026-03-06 | 2026 AMS Age Group Championships - copied |
| 100 Butterfly | SCY | 1:01.28 | flying | 400 Medley Relay (leg 3) | 2025-03-15 | WV 2025 Short Course Championships 2 Pools |
| 50 Freestyle | LCM | 1:45.14 | flying | 200 Free Relay (leg 4) | 2026-05-14 | 2026 EZ LC Speedo Super Sectionals |
| 50 Freestyle | LCM | 27.11 | flying | 200 Medley Relay (leg 4) | 2026-05-14 | 2026 EZ LC Speedo Super Sectionals |
| 100 Freestyle | LCM | 1:00.11 | flying | 400 Free Relay (leg 2) | 2026-05-15 | 2026 EZ LC Speedo Super Sectionals |
| 100 Freestyle | LCM | 1:00.66 | flying | 400 Medley Relay (leg 4) | 2026-05-17 | 2026 EZ LC Speedo Super Sectionals |
| 200 Freestyle | LCM | 2:07.44 | flat | 800 Free Relay | 2026-05-16 | 2026 EZ LC Speedo Super Sectionals |
| 200 Freestyle | LCM | 2:18.02 | flying | 800 Free Relay (leg 2) | 2024-07-11 | 2024 AM WV LCM Age Group Championships |
| 100 Backstroke | LCM | 1:12.79 | flat | 400 Medley Relay | 2024-08-08 | 2024 EZ LC Age Group Championship |
| 100 Butterfly | LCM | 1:15.89 | flying | 400 Medley Relay (leg 3) | 2023-05-21 | 2023 Robert F. Busbey 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 13-14 · SCY
5129 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:50.16 | 991 |
| 200 BK SCY | 2:00.92 | 882 |
| 200 BR SCY | 2:30.77 | 658 |
| 200 FL SCY | 2:04.38 | 845 |
| 200 IM SCY | 2:06.39 | 823 |
| 400 IM SCY | 4:19.45 | 930 |
IMR 13-14 · SCY
3638 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:52.52 | 857 |
| 100 BK SCY | 58.31 | 771 |
| 100 BR SCY | 1:19.19 | 443 |
| 100 FL SCY | 58.35 | 744 |
| 200 IM SCY | 2:06.39 | 823 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 57.06
Front half 27.75s · back half 29.31s
200 Freestyle SCY 1:52.52
Front half 54.76s · back half 57.76s
500 Freestyle SCY 4:50.16
Front half 142.49s · back half 147.67s
1000 Freestyle SCY 9:51.60
Front half 293.98s · back half 297.62s
1650 Freestyle SCY 16:33.04
100 Backstroke SCY 58.31
Front half 28.64s · back half 29.67s
200 Backstroke SCY 2:00.92
Front half 59.53s · back half 61.39s
100 Breaststroke SCY 1:19.19
Front half 37.65s · back half 41.54s
200 Breaststroke SCY 2:30.77
Front half 73.03s · back half 77.74s
100 Butterfly SCY 58.35
Front half 27.74s · back half 30.61s
200 Butterfly SCY 2:04.38
Front half 59.84s · back half 64.54s
100 Individual Medley SCY 1:02.36
Front half 28.51s · back half 33.85s
200 Individual Medley SCY 2:06.39
Front half 59.44s · back half 66.95s
400 Individual Medley SCY 4:19.45
Front half 124.08s · back half 135.37s
100 Freestyle LCM 1:05.26
Front half 32.03s · back half 33.23s
200 Freestyle LCM 2:09.95 split/total mismatch
400 Freestyle LCM 4:22.45
Front half 129.89s · back half 132.56s
800 Freestyle LCM 8:57.90
Front half 266.17s · back half 271.73s
1500 Freestyle LCM 17:03.32
Front half 508.59s · back half 514.73s
200 Backstroke LCM 2:22.96
Front half 69.99s · back half 72.97s
100 Breaststroke LCM 1:32.45
Front half 44.12s · back half 48.33s
200 Breaststroke LCM 3:15.26
Front half 95.27s · back half 99.99s
100 Butterfly LCM 1:10.51
Front half 34.33s · back half 36.18s
200 Butterfly LCM 2:21.68
Front half 67.43s · back half 74.25s
200 Individual Medley LCM 2:32.02
Front half 71.13s · back half 80.89s
400 Individual Medley LCM 4:59.34
Front half 143.36s · back half 155.98s
Progression
Faster times are higher. One card per event, all courses & history.