swimNathan Jacobbe
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 500 Freestyle | SCY | 4:36.34 | AAA+2.75s to AAAA·Futures ✓+7.55s to Winter JNs | 2025-03-06 | LAC 2025 Speedo Sectional Championship Series |
| 200 Backstroke | SCY | 1:51.72 | AAA+3.43s to AAAA·Futures ✓+3.93s to Winter JNs | 2025-03-06 | LAC 2025 Speedo Sectional Championship Series |
| 200 Butterfly | SCY | 1:49.03 | AAAA·Winter JNs ✓+1.14s to Jr Nationals | 2025-03-06 | LAC 2025 Speedo Sectional Championship Series |
| 400 Individual Medley | SCY | 3:54.07 | AAAA·Winter JNs ✓+1.38s to Jr Nationals | 2025-03-06 | LAC 2025 Speedo Sectional Championship Series |
| 200 Freestyle | LCM | 1:57.87 | AAA+2.68s to AAAA·Sectionals ✓+0.08s to Futures | 2025-08-02 | 2025 Jrs Time Trials fast pool |
| 800 Freestyle | LCM | 8:45.77 | AAA+11.48s to AAAA·Sectionals ✓+5.08s to Futures | 2024-05-18 | 2024 ST TXLA Longhorn Aquatics Elite Invite venue |
| 50 Butterfly | LCM | 27.79 | AA+0.40s to AAA·Sectionals ✓+1.50s to Futures | 2025-08-02 | 2025 Speedo Junior National Championships fast pool |
| 100 Butterfly | LCM | 59.12 | AA+0.23s to AAA·Sectionals ✓+1.13s to Futures | 2025-08-01 | 2025 Jrs Time Trials fast pool |
| 200 Butterfly | LCM | 2:05.30 | AAAA·Winter JNs ✓+0.21s to Jr Nationals | 2024-05-16 | 2024 ST TXLA Longhorn Aquatics Elite Invite venue |
| 400 Individual Medley | LCM | 4:36.72 | AAAA·Futures ✓+0.83s to Winter JNs | 2025-07-31 | 2025 Speedo Junior National Championships fast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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.
IMX / IMR
IMX 17-18 · SCY
3929 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:36.34 | 957 |
| 200 BK SCY | 1:51.72 | 900 |
| 200 FL SCY | 1:49.03 | 1021 |
| 400 IM SCY | 3:54.07 | 1051 |
| 200 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 17-18 · LCM
1770 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 1:57.87 | 921 |
| 100 FL LCM | 59.12 | 849 |
| 100 BK LCM | — | 0 |
| 100 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
500 Freestyle SCY 4:36.34 split/total mismatch
200 Backstroke SCY 1:51.72 split/total mismatch
Front half 28.01s · back half 83.71s
200 Butterfly SCY 1:49.03 split/total mismatch
400 Individual Medley SCY 3:54.07 split/total mismatch
200 Freestyle LCM 1:57.87 RT 0.66s
Front half 57.73s · back half 60.14s
800 Freestyle LCM 8:45.77
Front half 258.22s · back half 267.55s
100 Butterfly LCM 59.12 RT 0.66s
Front half 27.92s · back half 31.20s
200 Butterfly LCM 2:05.30
Front half 59.76s · back half 65.54s
400 Individual Medley LCM 4:36.72 RT 0.67s
Front half 132.93s · back half 143.79s
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.