Dean Larsen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.91 | BB+0.52s to A | 2025-09-19 | 2025 ST AQTX Round Rock Unclassified venue |
| 100 Freestyle | SCY | 54.94 | BB+1.45s to A | 2026-01-10 | 2026 ST TXLA New Year's Classic Invite venue |
| 200 Freestyle | SCY | 2:07.89 | B+1.30s to BB | 2025-10-11 | 2025 ST ASC Bob Thompson Open venue |
| 500 Freestyle | SCY | 5:47.98 | B+3.99s to BB | 2026-01-10 | 2026 ST TXLA New Year's Classic Invite venue |
| 100 Backstroke | SCY | 1:03.76 | B+0.87s to BB | 2024-03-09 | 2024 ST GOLD Spring Fling venue |
| 100 Breaststroke | SCY | 1:13.39 | B+1.90s to BB | 2025-09-20 | 2025 ST AQTX Round Rock Unclassified venue |
| 200 Breaststroke | SCY | 2:44.98 | B+9.79s to BB | 2024-12-07 | 2024 ST LSAC Graceland slow pool |
| 50 Butterfly | SCY | 29.32 | BB+2.13s to A | 2025-11-07 | 2025 ST SCY Surge Shark Sizzler venue |
| 100 Butterfly | SCY | 1:05.46 | B+2.97s to BB | 2025-12-13 | 2025 ST AAAA NS Winter Wonderland fast pool |
| 200 Individual Medley | SCY | 2:22.77 | B+2.28s to BB | 2026-02-28 | 2026 ST SCY Surge Marsh Madness fast pool |
| 400 Individual Medley | SCY | 5:09.03 | B+8.24s to BB | 2025-11-07 | 2025 ST SCY Surge Shark Sizzler venue |
| 50 Freestyle | LCM | 27.36 | A+0.27s to AA | 2026-06-06 | 2026 ST SRG Arena Surge Shark Sizzler fast pool |
| 100 Freestyle | LCM | 1:04.05 | BB+2.46s to A | 2026-04-11 | 2026 ST LSAC 6th Annual Atomic Fest venue |
| 400 Freestyle | LCM | 5:41.36 | +5.77s to B | 2026-04-11 | 2026 ST LSAC 6th Annual Atomic Fest venue |
| 1500 Freestyle | LCM | 21:25.70 | B+42.91s to BB | 2025-06-07 | 2025 ST SRG Arena Summer Sizzler fast pool |
| 100 Backstroke | LCM | 1:16.95 | B+3.16s to BB | 2025-06-07 | 2025 ST SRG Arena Summer Sizzler fast pool |
| 100 Breaststroke | LCM | 1:23.83 | B+0.34s to BB | 2026-06-06 | 2026 ST SRG Arena Surge Shark Sizzler fast pool |
| 50 Butterfly | LCM | 30.01 | A+0.52s to AA | 2026-06-06 | 2026 ST SRG Arena Surge Shark Sizzler fast pool |
| 200 Individual Medley | LCM | 2:45.83 | B+1.94s to BB | 2026-04-10 | 2026 ST LSAC 6th Annual Atomic Fest |
| 400 Individual Medley | LCM | 6:04.86 | B+15.57s to BB | 2025-06-06 | 2025 ST SRG Arena Summer Sizzler fast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 | 24.37 | flying | 200 Medley Relay (leg 4) | 2025-10-11 | 2025 ST ASC Bob Thompson Open |
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
1912 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:47.98 | 500 |
| 200 BR SCY | 2:44.98 | 437 |
| 200 IM SCY | 2:22.77 | 498 |
| 400 IM SCY | 5:09.03 | 477 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
IMR 15-16 · SCY
2448 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:07.89 | 507 |
| 100 BK SCY | 1:03.76 | 502 |
| 100 BR SCY | 1:13.39 | 485 |
| 100 FL SCY | 1:05.46 | 456 |
| 200 IM SCY | 2:22.77 | 498 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 54.94
Front half 25.62s · back half 29.32s
200 Freestyle SCY 2:07.89
Front half 57.53s · back half 70.36s
500 Freestyle SCY 5:47.98
Front half 168.98s · back half 179.00s
100 Backstroke SCY 1:03.76
Front half 31.14s · back half 32.62s
100 Breaststroke SCY 1:13.39
Front half 34.42s · back half 38.97s
200 Breaststroke SCY 2:44.98
Front half 77.21s · back half 87.77s
100 Butterfly SCY 1:05.46
Front half 28.49s · back half 36.97s
200 Individual Medley SCY 2:22.77
400 Individual Medley SCY 5:09.03
Front half 144.32s · back half 164.71s
100 Freestyle LCM 1:04.05
Front half 29.86s · back half 34.19s
400 Freestyle LCM 5:41.36
Front half 157.17s · back half 184.19s
1500 Freestyle LCM 21:25.70
Front half 643.95s · back half 641.75s
400 Individual Medley LCM 6:04.86
Front half 173.29s · back half 191.57s
Progression
Faster times are higher. One card per event, all courses & history.