swimCJ Koslin
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.98 | AA+0.59s to AAA·+1.09s to Sectionals | 2026-02-28 | 2026 SE Southeastern Winter SC Championships venue |
| 100 Freestyle | SCY | 55.99 | AA+0.90s to AAA·+1.90s to Sectionals | 2025-12-07 | 2025 Beaman Toyota Meet of Champs venue |
| 200 Freestyle | SCY | 2:10.23 | BB+0.54s to A·+13.54s to Sectionals | 2025-11-08 | TNAQ 2025 FALL INVITATIONAL venue |
| 500 Freestyle | SCY | 5:48.43 | A+13.14s to AA·+38.54s to Sectionals | 2025-12-06 | 2025 Beaman Toyota Meet of Champs venue |
| 1000 Freestyle | SCY | 12:03.61 | BB+3.72s to A·+73.12s to Sectionals | 2025-11-09 | TNAQ 2025 FALL INVITATIONAL venue |
| 50 Backstroke | SCY | 31.33 | BB+0.54s to A·+2.74s to Sectionals | 2026-01-16 | 2026 TYR Mardi Gras Invite venue |
| 100 Backstroke | SCY | 1:10.92 | B+0.43s to BB·+10.13s to Sectionals | 2025-11-09 | TNAQ 2025 FALL INVITATIONAL venue |
| 200 Backstroke | SCY | 2:33.70 | B+0.61s to BB·+20.41s to Sectionals | 2025-11-08 | TNAQ 2025 FALL INVITATIONAL venue |
| 50 Breaststroke | SCY | 33.65 | AA+0.76s to AAA·+0.06s to Sectionals | 2026-02-21 | 2026 SES Region 1 & 8 and Under Championships venue |
| 100 Breaststroke | SCY | 1:13.50 | A+1.61s to AA·+2.61s to Sectionals | 2025-12-05 | 2025 Beaman Toyota Meet of Champs venue |
| 200 Breaststroke | SCY | 2:46.23 | BB+4.94s to A·+9.94s to Sectionals | 2025-02-15 | 2025 SES Region 1 & 8 and Under Championships venue |
| 100 Butterfly | SCY | 1:34.51 | +18.72s to B·+35.42s to Sectionals | 2024-09-15 | 2024 SwimIntel Fall Fest Open venue |
| 200 Individual Medley | SCY | 2:37.42 | B+0.53s to BB·+24.83s to Sectionals | 2025-09-20 | 2025 September Invitational venue |
| 50 Freestyle | LCM | 29.67 | AA+0.68s to AAA·+1.28s to Sectionals | 2026-04-26 | 2026 Strong Tower Invite venue |
| 100 Freestyle | LCM | 1:05.11 | AA+2.62s to AAA·+3.82s to Sectionals | 2026-06-07 | 2026 Beaman Toyota Firecracker Invite venue |
| 200 Freestyle | LCM | 2:25.22 | A+3.53s to AA·+13.13s to Sectionals | 2026-06-05 | 2026 Beaman Toyota Firecracker Invite venue |
| 400 Freestyle | LCM | 5:10.58 | A+12.49s to AA·+31.79s to Sectionals | 2026-06-06 | 2026 Beaman Toyota Firecracker Invite venue |
| 800 Freestyle | LCM | 10:56.03 | BB+15.14s to A·+80.34s to Sectionals | 2026-05-15 | 2026 Officially Summer Invitational venue |
| 1500 Freestyle | LCM | 21:33.05 | BB+65.56s to A·+191.26s to Sectionals | 2026-04-24 | 2026 Strong Tower Invite venue |
| 50 Backstroke | LCM | 38.00 | BB+1.71s to A·+5.11s to Sectionals | 2025-06-21 | 2025 HSA June Invitational venue |
| 100 Backstroke | LCM | 1:22.18 | B+0.19s to BB·+12.39s to Sectionals | 2025-06-06 | 2025 Excel Firecracker Invite venue |
| 50 Breaststroke | LCM | 39.25 | A+0.56s to AA·+0.96s to Sectionals | 2026-06-07 | 2026 Beaman Toyota Firecracker Invite venue |
| 100 Breaststroke | LCM | 1:28.07 | BB+2.18s to A·+7.48s to Sectionals | 2026-05-16 | 2026 Officially Summer Invitational venue |
| 200 Breaststroke | LCM | 3:13.10 | BB+7.31s to A·+17.11s to Sectionals | 2025-05-18 | 2025 Excel May Open venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
IMX / IMR
IMX 15-16 · SCY
2224 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:48.43 | 643 |
| 200 BK SCY | 2:33.70 | 496 |
| 200 BR SCY | 2:46.23 | 590 |
| 200 IM SCY | 2:37.42 | 495 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
2501 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:10.23 | 632 |
| 100 BK SCY | 1:10.92 | 494 |
| 100 BR SCY | 1:13.50 | 675 |
| 100 FL SCY | 1:34.51 | 205 |
| 200 IM SCY | 2:37.42 | 495 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 55.99
Front half 27.24s · back half 28.75s
200 Freestyle SCY 2:10.23
Front half 63.25s · back half 66.98s
500 Freestyle SCY 5:48.43
Front half 171.02s · back half 177.41s
1000 Freestyle SCY 12:03.61 RT 0.76s
Front half 401.65s · back half 321.96s
100 Backstroke SCY 1:10.92 RT 0.72s
Front half 34.61s · back half 36.31s
200 Backstroke SCY 2:33.70 RT 0.75s
Front half 75.01s · back half 78.69s
100 Breaststroke SCY 1:13.50
Front half 34.41s · back half 39.09s
200 Breaststroke SCY 2:46.23
Front half 79.27s · back half 86.96s
100 Butterfly SCY 1:34.51
Front half 43.24s · back half 51.27s
200 Individual Medley SCY 2:37.42
Front half 76.14s · back half 81.28s
100 Freestyle LCM 1:05.11
Front half 31.00s · back half 34.11s
200 Freestyle LCM 2:25.22
Front half 70.10s · back half 75.12s
400 Freestyle LCM 5:10.58
Front half 152.40s · back half 158.18s
800 Freestyle LCM 10:56.03
Front half 328.07s · back half 327.96s
1500 Freestyle LCM 21:33.05
Front half 645.98s · back half 647.07s
100 Backstroke LCM 1:22.18
Front half 39.79s · back half 42.39s
100 Breaststroke LCM 1:28.07
Front half 41.30s · back half 46.77s
200 Breaststroke LCM 3:13.10
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.