swimNathaniel Ervin
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 13.65 | 2026-01-11 | 2026 CO NJ Narwhal Invitational fast pool | |
| 50 Freestyle | SCY | 29.15 | BB+1.06s to A | 2026-01-11 | 2026 CO NJ Narwhal Invitational fast pool |
| 100 Freestyle | SCY | 1:03.70 | BB+2.41s to A | 2026-03-07 | 2026 CO 14&U Silver State venue |
| 200 Freestyle | SCY | 2:18.53 | BB+4.84s to A | 2026-03-06 | 2026 CO 14&U Silver State venue |
| 500 Freestyle | SCY | 6:15.67 | BB+15.68s to A | 2026-03-08 | 2026 CO 14&U Silver State venue |
| 50 Backstroke | SCY | 33.07 | BB+0.38s to A | 2026-03-07 | 2026 CO 14&U Silver State venue |
| 100 Backstroke | SCY | 1:10.91 | BB+1.62s to A | 2026-03-01 | 2026 CO CSI SC Age Group Championships fast pool |
| 200 Backstroke | SCY | 2:32.67 | BB+4.48s to A | 2026-02-27 | 2026 CO CSI SC Age Group Championships fast pool |
| 50 Breaststroke | SCY | 51.13 | +7.64s to B | 2025-01-01 | 2025 CO Great Pumpkin Pentathlon |
| 50 Butterfly | SCY | 36.56 | B+2.37s to BB | 2026-05-08 | 2026 CO Rapids IMR-IMX Challenge venue |
| 100 Individual Medley | SCY | 1:26.25 | +4.36s to B | 2025-01-01 | 2025 CO CUDA Pentathlon XXXVIII |
| 50 Freestyle | LCM | 31.78 | A+0.99s to AA | 2026-06-20 | 2026 CO Falfins Long Course Open venue |
| 100 Freestyle | LCM | 1:11.16 | BB+0.77s to A | 2026-06-21 | 2026 CO Falfins Long Course Open venue |
| 200 Freestyle | LCM | 2:38.77 | BB+5.18s to A | 2026-06-20 | 2026 CO Falfins Long Course Open venue |
| 400 Freestyle | LCM | 5:35.49 | BB+8.80s to A | 2026-06-21 | 2026 CO Falfins Long Course Open venue |
| 50 Backstroke | LCM | 39.04 | BB+1.25s to A | 2026-06-21 | 2026 CO Falfins Long Course Open venue |
| 100 Backstroke | LCM | 1:22.64 | BB+0.75s to A | 2026-06-20 | 2026 CO Falfins Long Course Open venue |
| 200 Backstroke | LCM | 3:03.05 | BB+9.06s to A | 2026-06-07 | 2026 CO NJ Summer Solstice Invite fast pool |
| 50 Butterfly | LCM | 40.46 | B+1.77s to BB | 2026-06-06 | 2026 CO NJ Summer Solstice Invite fast pool |
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 | 29.15 | flying | 200 Free Relay (leg 3) | 2025-12-13 | 2025 CO NJ Blizzard Invite |
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 · LCM
1235 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:35.49 | 618 |
| 100 BK LCM | 1:22.64 | 617 |
| 100 BR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 11-12 · SCY
2198 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:18.53 | 602 |
| 50 BK SCY | 33.07 | 619 |
| 50 BR SCY | 51.13 | 233 |
| 50 FL SCY | 36.56 | 389 |
| 100 IM SCY | 1:26.25 | 355 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:03.70
Front half 30.00s · back half 33.70s
200 Freestyle SCY 2:18.53
Front half 65.90s · back half 72.63s
500 Freestyle SCY 6:15.67
Front half 184.36s · back half 191.31s
100 Backstroke SCY 1:10.91
Front half 34.64s · back half 36.27s
200 Backstroke SCY 2:32.67
100 Freestyle LCM 1:11.16
Front half 33.06s · back half 38.10s
200 Freestyle LCM 2:38.77
Front half 75.28s · back half 83.49s
400 Freestyle LCM 5:35.49
Front half 165.38s · back half 170.11s
100 Backstroke LCM 1:22.64
Front half 40.00s · back half 42.64s
200 Backstroke LCM 3:03.05
Front half 41.93s · back half 141.12s
Progression
Faster times are higher. One card per event, all courses & history.