swimHenry Koppenhoefer
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.05 | AAA+0.66s to AAAA | 2026-03-07 | 2026 SC Illinois Senior Championships - copi venue |
| 100 Freestyle | SCY | 48.80 | AAA+2.01s to AAAA | 2026-02-28 | 2026 Winter ISI Regionals- MAVS - copied - co venue |
| 1000 Freestyle | SCY | 11:07.77 | BB+6.18s to A | 2024-07-12 | 2024 IL DLTA Summer Regional Championships slow pool |
| 1650 Freestyle | SCY | 18:34.87 | BB+12.08s to A | 2024-07-14 | 2024 IL DLTA Summer Regional Championships slow pool |
| 50 Freestyle | LCM | 28.43 | BB+0.14s to A | 2024-05-04 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 100 Freestyle | LCM | 1:03.94 | BB+2.35s to A | 2024-05-05 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 400 Freestyle | LCM | 5:19.61 | B+8.02s to BB | 2024-05-05 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 800 Freestyle | LCM | 11:02.98 | B+17.19s to BB | 2024-05-04 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 50 Backstroke | LCM | 39.19 | +1.30s to B | 2024-05-05 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 100 Backstroke | LCM | 1:20.50 | +1.01s to B | 2024-05-04 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 200 Backstroke | LCM | 3:01.35 | +9.06s to B | 2024-05-05 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 100 Butterfly | LCM | 1:30.83 | +13.84s to B | 2024-05-05 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 200 Individual Medley | LCM | 2:53.53 | B+9.64s to BB | 2024-05-04 | Daniel Jaekel Friendship Classic 2024 slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 53.18 | flying | 400 Free Relay (leg 4) | 2024-03-10 | 2024 IL Swimming SC Age Group Championships |
| 200 Freestyle | SCY | 1:56.81 | flying | 800 Free Relay (leg 4) | 2024-03-08 | 2024 IL Swimming SC Age Group 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 15-16 · LCM
1283 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:19.61 | 481 |
| 200 BK LCM | 3:01.35 | 361 |
| 200 IM LCM | 2:53.53 | 441 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 15-16 · LCM
1098 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:20.50 | 403 |
| 100 FL LCM | 1:30.83 | 254 |
| 200 IM LCM | 2:53.53 | 441 |
| 200 FR LCM | — | 0 |
| 100 BR LCM | — | 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 48.80
Front half 23.54s · back half 25.26s
1000 Freestyle SCY 11:07.77
Front half 326.58s · back half 341.19s
1650 Freestyle SCY 18:34.87
100 Freestyle LCM 1:03.94
Front half 30.29s · back half 33.65s
400 Freestyle LCM 5:19.61
Front half 153.18s · back half 166.43s
800 Freestyle LCM 11:02.98
Front half 326.98s · back half 336.00s
100 Backstroke LCM 1:20.50
Front half 39.17s · back half 41.33s
200 Backstroke LCM 3:01.35
Front half 86.12s · back half 95.23s
100 Butterfly LCM 1:30.83
Front half 37.46s · back half 53.37s
200 Individual Medley LCM 2:53.53
Front half 83.03s · back half 90.50s
Progression
Faster times are higher. One card per event, all courses & history.