swimLouie Koslin
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.12 | AAA+0.43s to AAAA | 2026-01-18 | 2026 TYR Mardi Gras Invite venue |
| 100 Freestyle | SCY | 47.74 | AAA+0.25s to AAAA | 2026-03-01 | 2026 SE Southeastern Winter SC Championships venue |
| 200 Freestyle | SCY | 1:46.96 | AAA+3.17s to AAAA | 2026-02-21 | 2026 SES Region 1 & 8 and Under Championships venue |
| 500 Freestyle | SCY | 5:09.62 | A+0.53s to AA | 2024-12-07 | 2024 Beaman Toyota Meet of Champs venue |
| 1000 Freestyle | SCY | 10:29.37 | AA+13.58s to AAA | 2025-11-09 | TNAQ 2025 FALL INVITATIONAL venue |
| 50 Backstroke | SCY | 25.93 | AA+0.24s to AAA | 2026-02-28 | 2026 SE Southeastern Winter SC Championships venue |
| 100 Backstroke | SCY | 55.06 | AA+0.47s to AAA | 2026-02-27 | 2026 SE Southeastern Winter SC Championships venue |
| 200 Backstroke | SCY | 1:59.93 | AA+0.64s to AAA | 2026-02-22 | 2026 SES Region 1 & 8 and Under Championships venue |
| 100 Breaststroke | SCY | 1:09.08 | BB+1.69s to A | 2024-11-16 | Tennessee Aquatics Fall Classic venue |
| 200 Breaststroke | SCY | 2:27.24 | BB+0.25s to A | 2024-12-07 | 2024 Beaman Toyota Meet of Champs venue |
| 50 Butterfly | SCY | 24.96 | AAA+0.67s to AAAA | 2026-01-16 | 2026 TYR Mardi Gras Invite venue |
| 100 Butterfly | SCY | 1:00.36 | BB+1.47s to A | 2024-12-08 | 2024 Beaman Toyota Meet of Champs venue |
| 200 Butterfly | SCY | 2:24.42 | B+1.43s to BB | 2024-09-14 | 2024 SwimIntel Fall Fest Open venue |
| 200 Individual Medley | SCY | 2:06.07 | AA+4.88s to AAA | 2025-09-14 | 2025 Excel Fall Fest Open venue |
| 400 Individual Medley | SCY | 4:45.49 | BB+1.30s to A | 2024-09-13 | 2024 SwimIntel Fall Fest Open venue |
| 50 Freestyle | LCM | 24.89 | AAAA | 2026-06-21 | 2026 June Classic venue |
| 100 Freestyle | LCM | 55.14 | AAA+0.65s to AAAA | 2026-06-05 | 2026 June Sprint venue |
| 200 Freestyle | LCM | 2:00.86 | AAA+0.87s to AAAA | 2026-04-26 | 2026 Strong Tower Invite venue |
| 400 Freestyle | LCM | 4:20.89 | AAA+5.30s to AAAA | 2025-06-07 | 2025 Excel Firecracker Invite venue |
| 1500 Freestyle | LCM | 17:33.38 | AAA+34.19s to AAAA | 2026-05-15 | 2026 Officially Summer Invitational venue |
| 50 Backstroke | LCM | 29.96 | AAA+0.97s to AAAA | 2026-06-18 | 2026 June Classic venue |
| 100 Backstroke | LCM | 1:05.21 | AA+1.42s to AAA | 2025-06-06 | 2025 Excel Firecracker Invite venue |
| 200 Backstroke | LCM | 2:21.41 | AA+2.92s to AAA | 2025-06-22 | 2025 HSA June Invitational venue |
| 50 Breaststroke | LCM | 43.67 | +1.08s to B | 2023-05-13 | 2023 Cardinal Aquatics Summer Throwdown slow pool |
| 100 Breaststroke | LCM | 1:20.66 | BB+2.27s to A | 2025-05-03 | 2025 ARENA Long Course venue |
| 200 Breaststroke | LCM | 3:09.69 | B+4.00s to BB | 2024-06-07 | 2024 Excel Firecracker Invite venue |
| 50 Butterfly | LCM | 27.57 | AAA+0.18s to AAAA | 2026-06-18 | 2026 June Classic venue |
| 100 Butterfly | LCM | 1:06.36 | A+1.87s to AA | 2025-05-18 | 2025 Excel May Open venue |
| 200 Individual Medley | LCM | 2:20.20 | AAA+6.11s to AAAA | 2026-06-21 | 2026 June Classic venue |
| 400 Individual Medley | LCM | 5:02.83 | AA+0.94s to AAA | 2026-04-24 | 2026 Strong Tower Invite 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 |
|---|---|---|---|---|---|---|
| 100 Backstroke | LCM | 1:03.91 | flat | 400 Medley Relay | 2024-07-20 | 2024 SE Southeastern Summer LC 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
3915 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:09.62 | 710 |
| 200 BK SCY | 1:59.93 | 786 |
| 200 BR SCY | 2:27.24 | 616 |
| 200 FL SCY | 2:24.42 | 475 |
| 200 IM SCY | 2:06.07 | 723 |
| 400 IM SCY | 4:45.49 | 605 |
IMR 15-16 · LCM
3741 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:00.86 | 918 |
| 100 BK LCM | 1:05.21 | 759 |
| 100 BR LCM | 1:20.66 | 575 |
| 100 FL LCM | 1:06.36 | 653 |
| 200 IM LCM | 2:20.20 | 836 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 47.74
Front half 22.93s · back half 24.81s
200 Freestyle SCY 1:46.96
Front half 51.79s · back half 55.17s
500 Freestyle SCY 5:09.62
Front half 152.69s · back half 156.93s
1000 Freestyle SCY 10:29.37 RT 0.69s
Front half 316.42s · back half 312.95s
100 Backstroke SCY 55.06
Front half 26.76s · back half 28.30s
200 Backstroke SCY 1:59.93
Front half 58.42s · back half 61.51s
100 Breaststroke SCY 1:09.08
Front half 32.60s · back half 36.48s
200 Breaststroke SCY 2:27.24
Front half 70.09s · back half 77.15s
100 Butterfly SCY 1:00.36
Front half 27.72s · back half 32.64s
200 Butterfly SCY 2:24.42
Front half 68.76s · back half 75.66s
200 Individual Medley SCY 2:06.07
Front half 58.42s · back half 67.65s
400 Individual Medley SCY 4:45.49
Front half 142.24s · back half 143.25s
100 Freestyle LCM 55.14
Front half 26.69s · back half 28.45s
200 Freestyle LCM 2:00.86
Front half 57.71s · back half 63.15s
400 Freestyle LCM 4:20.89
Front half 128.31s · back half 132.58s
1500 Freestyle LCM 17:33.38
200 Backstroke LCM 2:21.41
Front half 68.26s · back half 73.15s
200 Breaststroke LCM 3:09.69
Front half 90.25s · back half 99.44s
100 Butterfly LCM 1:06.36
Front half 29.69s · back half 36.67s
200 Individual Medley LCM 2:20.20
Front half 66.39s · back half 73.81s
400 Individual Medley LCM 5:02.83
Front half 144.32s · back half 158.51s
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.