Jon Seiferth
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.20 | AA+0.51s to AAA | 2010-11-20 | The Mark J. Braun Fall Classic venue |
| 100 Freestyle | SCY | 47.87 | AA+0.18s to AAA | 2011-11-19 | The Mark J. Braun Fall Classic venue |
| 200 Freestyle | SCY | 1:44.50 | AAA+3.91s to AAAA | 2010-11-20 | The Mark J. Braun Fall Classic venue |
| 500 Freestyle | SCY | 4:51.99 | AA+5.30s to AAA | 2010-11-21 | The Mark J. Braun Fall Classic venue |
| 100 Butterfly | SCY | 51.97 | AA+0.38s to AAA | 2010-11-20 | The Mark J. Braun Fall Classic venue |
| 200 Butterfly | SCY | 1:53.08 | AAA+2.39s to AAAA | 2011-11-19 | The Mark J. Braun Fall Classic venue |
| 200 Individual Medley | SCY | 1:56.08 | AAA+5.19s to AAAA | 2011-11-19 | The Mark J. Braun Fall Classic venue |
| 400 Individual Medley | SCY | 4:16.41 | AA+5.62s to AAA | 2010-11-19 | The Mark J. Braun Fall Classic venue |
| 50 Freestyle | LCM | 26.34 | A+0.05s to AA | 2010-06-20 | The Robert F. Busbey Invitational Swim Meet venue |
| 100 Freestyle | LCM | 56.09 | AA+0.90s to AAA | 2010-06-18 | The Robert F. Busbey Invitational Swim Meet venue |
| 200 Freestyle | LCM | 2:04.35 | AA+3.66s to AAA | Youngstown Long Course Invite Sr. Circuit slow pool | |
| 400 Freestyle | LCM | 4:21.46 | AA+4.17s to AAA | 2008 "Summer Swimfest" Meet slow pool | |
| 200 Backstroke | LCM | 2:31.06 | BB+5.17s to A | 2011-06-17 | The Robert F. Busbey Invitational Swim Meet venue |
| 100 Butterfly | LCM | 1:00.38 | AA+1.49s to AAA | 2010-06-20 | The Robert F. Busbey Invitational Swim Meet venue |
| 200 Butterfly | LCM | 2:14.06 | AA+2.17s to AAA | 2010-06-19 | The Robert F. Busbey Invitational Swim Meet venue |
| 200 Individual Medley | LCM | 2:19.24 | AA+3.55s to AAA | 2010-06-18 | The Robert F. Busbey Invitational Swim Meet venue |
| 400 Individual Medley | LCM | 5:02.72 | AA+11.23s to AAA | 2008 "Summer Swimfest" Meet slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 |
|---|---|---|---|---|---|---|
| 200 Freestyle | SCY | 1:47.76 | flat | 800 Free Relay | 2010-11-20 | The Mark J. Braun Fall Classic |
| 200 Freestyle | SCY | 1:45.32 | flying | 800 Free Relay (leg 4) | 2009-11-22 | The Mark J. Braun Fall Classic |
| 100 Butterfly | SCY | 52.86 | flying | 400 Medley Relay (leg 3) | 2009-11-22 | The Mark J. Braun Fall Classic |
| 100 Butterfly | LCM | 1:01.08 | flying | 400 Medley Relay (leg 3) | 2011-06-17 | The Robert F. Busbey Invitational Swim Meet |
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 · LCM
3779 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:21.46 | 821 |
| 200 BK LCM | 2:31.06 | 592 |
| 200 FL LCM | 2:14.06 | 816 |
| 200 IM LCM | 2:19.24 | 795 |
| 400 IM LCM | 5:02.72 | 755 |
| 200 BR LCM | — | 0 |
IMR 17-18 · SCY
2587 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:44.50 | 881 |
| 100 FL SCY | 51.97 | 842 |
| 200 IM SCY | 1:56.08 | 864 |
| 100 BK SCY | — | 0 |
| 100 BR 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 47.87
Front half 23.17s · back half 24.70s
200 Freestyle SCY 1:44.50
Front half 50.67s · back half 53.83s
500 Freestyle SCY 4:51.99
Front half 143.33s · back half 148.66s
100 Butterfly SCY 51.97
Front half 24.17s · back half 27.80s
200 Butterfly SCY 1:53.08
Front half 54.51s · back half 58.57s
200 Individual Medley SCY 1:56.08
Front half 55.22s · back half 60.86s
400 Individual Medley SCY 4:16.41
Front half 121.43s · back half 134.98s
100 Freestyle LCM 56.09
Front half 26.63s · back half 29.46s
200 Freestyle LCM 2:04.35
Front half 60.21s · back half 64.14s
400 Freestyle LCM 4:21.46
Front half 133.05s · back half 128.41s
200 Backstroke LCM 2:31.06
Front half 75.24s · back half 75.82s
100 Butterfly LCM 1:00.38
Front half 28.69s · back half 31.69s
200 Butterfly LCM 2:14.06
Front half 64.88s · back half 69.18s
200 Individual Medley LCM 2:19.24
Front half 65.69s · back half 73.55s
400 Individual Medley LCM 5:02.72
Front half 148.08s · back half 154.64s
Progression
Faster times are higher. One card per event, all courses & history.