Nathan Kessler
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.66 | BB+0.57s to A | 2025-11-01 | 2025 Holland Fall Invite venue |
| 100 Freestyle | SCY | 52.29 | A+1.90s to AA | 2026-02-28 | 2026 Winter ISI Regionals- HSC - copied fast pool |
| 200 Freestyle | SCY | 1:53.55 | A+2.36s to AA | 2025-07-20 | 2025 ISI Summer ACAD Regional venue |
| 500 Freestyle | SCY | 5:05.54 | A+3.85s to AA | 2025-07-19 | 2025 ISI Summer ACAD Regional venue |
| 1000 Freestyle | SCY | 10:24.93 | AA+20.44s to AAA | 2025-07-18 | 2025 ISI Summer ACAD Regional venue |
| 1650 Freestyle | SCY | 17:37.36 | A+1.67s to AA | 2025-07-20 | 2025 ISI Summer ACAD Regional venue |
| 100 Backstroke | SCY | 1:02.34 | B+0.25s to BB | 2026-03-01 | 2026 Winter ISI Regionals- HSC - copied fast pool |
| 200 Backstroke | SCY | 2:12.40 | BB+7.21s to A | 2025-11-02 | 2025 Holland Fall Invite venue |
| 100 Breaststroke | SCY | 1:09.11 | BB+4.42s to A | 2025-11-02 | 2025 Holland Fall Invite venue |
| 400 Freestyle | LCM | 4:45.43 | BB+1.14s to A | 2025-07-31 | 2025 LC Illinois Senior Championships |
| 800 Freestyle | LCM | 9:30.91 | A+4.72s to AA | 2025-07-31 | 2025 LC Illinois Senior Championships venue |
| 1500 Freestyle | LCM | 18:14.62 | A+8.23s to AA | 2025-08-03 | 2025 LC Illinois Senior Championships venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 27.30 | flying | 200 Medley Relay (leg 4) | 2025-08-03 | 2025 LC Illinois Senior Championships |
| 100 Freestyle | LCM | 59.92 | flying | 400 Medley Relay (leg 4) | 2025-08-02 | 2025 LC Illinois Senior 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 17-18 · SCY
1249 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:05.54 | 708 |
| 200 BK SCY | 2:12.40 | 541 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
1699 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:53.55 | 686 |
| 100 BK SCY | 1:02.34 | 482 |
| 100 BR SCY | 1:09.11 | 531 |
| 100 FL SCY | — | 0 |
| 200 IM 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 52.29
Front half 25.41s · back half 26.88s
200 Freestyle SCY 1:53.55
Front half 54.51s · back half 59.04s
500 Freestyle SCY 5:05.54
Front half 149.93s · back half 155.61s
1000 Freestyle SCY 10:24.93
Front half 310.68s · back half 314.25s
1650 Freestyle SCY 17:37.36
100 Backstroke SCY 1:02.34
Front half 30.30s · back half 32.04s
200 Backstroke SCY 2:12.40
Front half 64.88s · back half 67.52s
100 Breaststroke SCY 1:09.11
Front half 32.63s · back half 36.48s
800 Freestyle LCM 9:30.91 RT 0.70s
Front half 285.62s · back half 285.29s
1500 Freestyle LCM 18:14.62 RT 0.68s
Front half 547.89s · back half 546.73s
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.