swimCollin Landahl
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.58 | AA+0.89s to AAA | 2025-03-01 | 2025 SE Speedo Southern Premier venue |
| 100 Freestyle | SCY | 51.75 | AA+1.96s to AAA | 2025-03-02 | 2025 SE Speedo Southern Premier venue |
| 200 Freestyle | SCY | 1:52.33 | AA+3.64s to AAA | 2025-02-28 | 2025 SE Speedo Southern Premier venue |
| 500 Freestyle | SCY | 5:31.19 | BB+8.60s to A | 2024-12-06 | 2024 Gulf Age Group Championships venue |
| 50 Backstroke | SCY | 27.55 | A+0.66s to AA | 2025-01-18 | 2025 TWST Speedo Winter Classic Invitational venue |
| 100 Backstroke | SCY | 55.50 | AA+0.91s to AAA | 2025-03-02 | 2025 SE Speedo Southern Premier venue |
| 200 Backstroke | SCY | 2:05.58 | A+0.89s to AA | 2025-02-28 | 2025 SE Speedo Southern Premier venue |
| 50 Breaststroke | SCY | 32.92 | BB+0.83s to A | 2025-01-18 | 2025 TWST Speedo Winter Classic Invitational venue |
| 100 Breaststroke | SCY | 1:15.69 | B+2.70s to BB | 2025-01-19 | 2025 TWST Speedo Winter Classic Invitational venue |
| 200 Breaststroke | SCY | 2:54.18 | +2.69s to B | 2024-10-26 | 2024 TWST Halloween Meet venue |
| 50 Butterfly | SCY | 25.65 | AA+0.26s to AAA | 2025-01-19 | 2025 TWST Speedo Winter Classic Invitational venue |
| 100 Butterfly | SCY | 55.24 | AA+1.25s to AAA | 2024-12-07 | 2024 Gulf Age Group Championships venue |
| 200 Butterfly | SCY | 2:03.12 | AA+2.13s to AAA | 2025-03-01 | 2025 SE Speedo Southern Premier venue |
| 200 Individual Medley | SCY | 2:21.23 | BB+9.04s to A | 2024-10-05 | 2024 Fleet Fall Kickoff Invitational venue |
| 50 Freestyle | LCM | 25.87 | AAA+0.88s to AAAA | 2025-07-20 | 2025 Texas Age Group Championships fast pool |
| 100 Freestyle | LCM | 56.73 | AAA+2.24s to AAAA | 2025-07-17 | 2025 Texas Age Group Championships fast pool |
| 200 Freestyle | LCM | 1:59.22 | AAAA | 2024-06-20 | 2024 ST AAAA NS George Block Invite |
| 400 Freestyle | LCM | 4:57.32 | BB+5.23s to A | 2025-06-06 | 2025 BATS June Invite |
| 800 Freestyle | LCM | 10:59.72 | B+5.43s to BB | 2024-05-12 | 2024 FLEET Distance Challenge venue |
| 50 Backstroke | LCM | 43.10 | +4.41s to B | 2021-05-29 | 2021 CO AP Academy Spring Open venue |
| 100 Backstroke | LCM | 1:01.78 | AAA+0.89s to AAAA | 2025-07-20 | 2025 Texas Age Group Championships fast pool |
| 200 Backstroke | LCM | 2:36.05 | BB+4.96s to A | 2025-06-06 | 2025 BATS June Invite |
| 100 Breaststroke | LCM | 1:37.08 | +5.69s to B | 2024-04-20 | 2024 TWST Spring Splash LC Meet venue |
| 50 Butterfly | LCM | 39.51 | +3.02s to B | 2021-06-26 | 2021 CO ACES Summer Invite venue |
| 100 Butterfly | LCM | 1:00.88 | AAA+1.99s to AAAA | 2025-07-18 | 2025 Texas Age Group Championships fast pool |
| 200 Butterfly | LCM | 2:17.43 | AAA+5.64s to AAAA | 2024-06-20 | 2024 ST AAAA NS George Block Invite |
| 200 Individual Medley | LCM | 2:30.86 | A+3.97s to AA | 2026-05-02 | Hosted by Katy Aquatics |
| 400 Individual Medley | LCM | 6:06.93 | B+10.24s to BB | 2024-05-31 | 2024 TWST LC Invitational 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 | 24.06 | flying | 200 Free Relay (leg 3) | 2025-02-02 | 2025 Fleet Mardi Gras |
| 100 Freestyle | SCY | 51.39 | flat | 400 Free Relay | 2025-03-01 | 2025 SE Speedo Southern Premier |
| 100 Freestyle | SCY | 52.23 | flying | 400 Free Relay (leg 2) | 2024-12-08 | 2024 Gulf Age Group Championships |
| 50 Butterfly | SCY | 25.33 | flying | 200 Medley Relay (leg 3) | 2025-02-01 | 2025 Fleet Mardi Gras |
| 100 Butterfly | SCY | 55.42 | flying | 400 Medley Relay (leg 3) | 2024-12-07 | 2024 Gulf Age Group Championships |
| 200 Freestyle | LCM | 2:07.09 | flying | 800 Free Relay (leg 3) | 2025-07-16 | 2025 Texas Age Group 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 · LCM
3108 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:57.32 | 598 |
| 200 BK LCM | 2:36.05 | 567 |
| 200 FL LCM | 2:17.43 | 823 |
| 200 IM LCM | 2:30.86 | 671 |
| 400 IM LCM | 6:06.93 | 449 |
| 200 BR LCM | — | 0 |
IMR 15-16 · LCM
3696 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 1:59.22 | 957 |
| 100 BK LCM | 1:01.78 | 892 |
| 100 BR LCM | 1:37.08 | 330 |
| 100 FL LCM | 1:00.88 | 846 |
| 200 IM LCM | 2:30.86 | 671 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 51.75
Front half 24.98s · back half 26.77s
200 Freestyle SCY 1:52.33
Front half 54.50s · back half 57.83s
500 Freestyle SCY 5:31.19
Front half 163.28s · back half 167.91s
100 Backstroke SCY 55.50
Front half 27.04s · back half 28.46s
200 Backstroke SCY 2:05.58
Front half 61.99s · back half 63.59s
100 Breaststroke SCY 1:15.69
Front half 35.64s · back half 40.05s
200 Breaststroke SCY 2:54.18
Front half 83.66s · back half 90.52s
100 Butterfly SCY 55.24 RT 0.69s
Front half 25.33s · back half 29.91s
200 Butterfly SCY 2:03.12
Front half 59.06s · back half 64.06s
200 Individual Medley SCY 2:21.23
Front half 63.10s · back half 78.13s
100 Freestyle LCM 56.73
Front half 27.45s · back half 29.28s
800 Freestyle LCM 10:59.72
Front half 317.32s · back half 342.40s
100 Backstroke LCM 1:01.78
Front half 29.75s · back half 32.03s
100 Butterfly LCM 1:00.88
Front half 28.16s · back half 32.72s
400 Individual Medley LCM 6:06.93
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.