swimIsaac Nielsen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 33.81 | BB+2.62s to A·+11.22s to Sectionals | 2026-02-20 | 2026 IA IASI Age Group Championships |
| 50 Backstroke | SCY | 37.88 | BB+0.09s to A·+13.39s to Sectionals | 2026-02-20 | 2026 IA IASI Age Group Championships |
| 100 Backstroke | SCY | 1:24.26 | BB+4.37s to A·+28.17s to Sectionals | 2026-02-20 | 2026 IA IASI Age Group Championships |
| 100 Butterfly | SCY | 1:36.41 | BB+11.82s to A·+42.42s to Sectionals | 2026-01-01 | 1637876 |
| 100 Individual Medley | SCY | 1:41.10 | +1.31s to B | 2025-12-05 | 2025 LMST Fast and Flurrious Invitational |
| 200 Individual Medley | SCY | 2:59.82 | BB+6.33s to A·+58.83s to Sectionals | 2026-01-01 | 1637876 |
| 50 Freestyle | LCM | 37.17 | BB+1.48s to A·+11.18s to Sectionals | 2026-07-25 | 2026 IASI Long Course Championshipsfast pool |
| 100 Freestyle | LCM | 1:25.10 | BB+4.91s to A·+28.51s to Sectionals | 2026-07-26 | 2026 IASI Long Course Championshipsfast pool |
| 200 Freestyle | LCM | 3:01.36 | BB+7.67s to A·+57.87s to Sectionals | 2026-07-24 | 2026 IASI Long Course Championshipsfast pool |
| 50 Backstroke | LCM | 38.14 | AAA+1.15s to AAAA·+9.45s to Sectionals | 2026-08-06 | 2026 MN CZ 14 & U Championship Meet |
| 100 Backstroke | LCM | 1:24.58 | AA+0.49s to AAA·+20.19s to Sectionals | 2026-08-06 | 2026 MN CZ 14 & U Championship Meet |
| 50 Butterfly | LCM | 43.63 | BB+3.04s to A·+16.24s to Sectionals | 2026-07-26 | 2026 IASI Long Course Championshipsfast pool |
| 100 Butterfly | LCM | 1:50.82 | BB+14.53s to A·+49.33s to Sectionals | 2026-07-24 | 2026 IASI Long Course Championshipsfast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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.
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 | LCM | 37.14 | flying | 200 Free Relay (leg 3) | 2026-07-26 | 2026 IASI Long Course Championships |
| 50 Backstroke | LCM | 40.12 | flat | 200 Medley Relay | 2026-07-25 | 2026 IASI Long 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 10 & under · LCM
1800 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 3:01.36 | 585 |
| 100 BK LCM | 1:24.58 | 845 |
| 100 FL LCM | 1:50.82 | 370 |
| 100 BR LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 10 & under · LCM
1965 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR LCM | 1:25.10 | 551 |
| 50 BK LCM | 38.14 | 912 |
| 50 FL LCM | 43.63 | 502 |
| 50 BR LCM | — | 0 |
| 200 IM LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke SCY 1:24.26 split/total mismatch
Front half 39.57s · back half 44.69s
100 Butterfly SCY 1:36.41 split/total mismatch
Front half 44.06s · back half 52.35s
100 Individual Medley SCY 1:41.10 split/total mismatch
Front half 45.62s · back half 55.48s
200 Individual Medley SCY 2:59.82 split/total mismatch
100 Freestyle LCM 1:25.10
Front half 39.21s · back half 45.89s
200 Freestyle LCM 3:01.36
Front half 87.40s · back half 93.96s
100 Butterfly LCM 1:50.82
Front half 48.83s · back half 61.99s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.