Ainsley Nielson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 31.95 | B+0.26s to BB | 2026-01-24 | Tsunami Polar Bear Meet 2026 venue |
| 100 Freestyle | SCY | 1:16.13 | +1.44s to B | 2026-01-23 | Tsunami Polar Bear Meet 2026 venue |
| 50 Backstroke | SCY | 42.28 | +3.49s to B | 2025-12-13 | SDAT Winter Pentathlon venue |
| 100 Backstroke | SCY | 1:34.14 | +7.55s to B | 2026-02-13 | Skyline Last Chance 2026 venue |
| 50 Breaststroke | SCY | 48.68 | +4.69s to B | 2025-11-29 | November Chat vs SDAT dual venue |
| 100 Breaststroke | SCY | 1:48.87 | +12.38s to B | 2025-09-26 | Tsunami Fall Kick Off 2025 venue |
| 50 Butterfly | SCY | 37.76 | +0.77s to B | 2025-11-21 | 2025 MAC Thanksgiving Invitational venue |
| 100 Butterfly | SCY | 1:39.75 | +13.66s to B | 2025-11-29 | November Chat vs SDAT dual venue |
| 100 Individual Medley | SCY | 1:30.20 | +4.91s to B | 2025-12-13 | SDAT Winter Pentathlon venue |
| 200 Individual Medley | SCY | 4:04.18 | +60.19s to B | 2024-05-11 | Flower Power Invite 2024 venue |
| 50 Freestyle | SCM | 36.62 | B+1.63s to BB | 2026-05-16 | Summer Fun SCM Meet 2026 venue |
| 100 Freestyle | SCM | 1:33.23 | +10.64s to B | 2025-05-16 | SDAT Summer Fun SCM Meet 2025 venue |
| 50 Backstroke | SCM | 46.00 | +3.11s to B | 2026-05-15 | Summer Fun SCM Meet 2026 venue |
| 100 Backstroke | SCM | 1:57.49 | +21.80s to B | 2025-05-17 | SDAT Summer Fun SCM Meet 2025 venue |
| 50 Breaststroke | SCM | 51.48 | +2.89s to B | 2026-05-16 | Summer Fun SCM Meet 2026 venue |
| 100 Breaststroke | SCM | 1:51.78 | +5.19s to B | 2026-05-15 | Summer Fun SCM Meet 2026 venue |
| 50 Butterfly | SCM | 51.03 | +10.14s to B | 2025-05-17 | SDAT Summer Fun SCM Meet 2025 venue |
| 100 Individual Medley | SCM | 1:36.82 | +2.63s to B | 2026-05-15 | Summer Fun SCM Meet 2026 venue |
| 200 Individual Medley | SCM | 3:53.98 | +30.69s to B | 2025-05-16 | SDAT Summer Fun SCM Meet 2025 venue |
| 50 Freestyle | LCM | 36.66 | B+0.67s to BB | 2026-05-20 | Kearns LC Classic venue |
| 100 Freestyle | LCM | 1:24.92 | B+5.33s to BB | 2026-06-20 | 2026 Summer Spectacular fast pool |
| 200 Freestyle | LCM | 3:34.99 | +28.20s to B | 2025-06-13 | 2025 SDAT Summer Spectacular fast pool |
| 50 Backstroke | LCM | 49.48 | +4.59s to B | 2025-06-13 | 2025 SDAT Summer Spectacular fast pool |
| 100 Backstroke | LCM | 1:51.98 | +11.39s to B | 2025-05-30 | 2025 UT CHAT Non-Qualifier venue |
| 50 Breaststroke | LCM | 52.13 | +2.34s to B | 2026-06-20 | 2026 Summer Spectacular fast pool |
| 100 Breaststroke | LCM | 2:18.68 | +28.29s to B | 2024-06-28 | WFFM Red White and Black 2024 venue |
| 50 Butterfly | LCM | 41.66 | B+2.87s to BB | 2026-05-19 | Kearns LC Classic venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 | 37.08 | flat | 200 Free Relay | 2024-03-02 | 2024 UTAGS Short Course 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 11-12 · SCY
995 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:34.14 | 295 |
| 100 BR SCY | 1:48.87 | 283 |
| 100 FL SCY | 1:39.75 | 237 |
| 200 IM SCY | 4:04.18 | 180 |
| 500 FR SCY | — | 0 |
IMR 11-12 · SCY
1385 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 42.28 | 325 |
| 50 BR SCY | 48.68 | 311 |
| 50 FL SCY | 37.76 | 394 |
| 100 IM SCY | 1:30.20 | 355 |
| 200 FR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:16.13
Front half 35.80s · back half 40.33s
100 Backstroke SCY 1:34.14
Front half 44.14s · back half 50.00s
100 Breaststroke SCY 1:48.87
Front half 49.67s · back half 59.20s
100 Butterfly SCY 1:39.75
Front half 41.52s · back half 58.23s
200 Individual Medley SCY 4:04.18
Front half 125.34s · back half 118.84s
100 Freestyle SCM 1:33.23
Front half 43.08s · back half 50.15s
100 Backstroke SCM 1:57.49
Front half 56.57s · back half 60.92s
100 Breaststroke SCM 1:51.78
Front half 51.49s · back half 60.29s
100 Individual Medley SCM 1:36.82
Front half 44.49s · back half 52.33s
200 Individual Medley SCM 3:53.98
Front half 114.14s · back half 119.84s
100 Freestyle LCM 1:24.92
Front half 38.99s · back half 45.93s
200 Freestyle LCM 3:34.99
Front half 101.09s · back half 113.90s
100 Backstroke LCM 1:51.98
Front half 52.27s · back half 59.71s
100 Breaststroke LCM 2:18.68
Front half 65.39s · back half 73.29s
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.