Jack Duerholz
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.90 | 2026-03-30 | 2026 MASI Short Course Silver Championships hosted by EMAC | |
| 100 Freestyle | SCY | 53.81 | 2025-11-07 | 2025 EMAC Fall Invitational 11 & Over A/BB/C | |
| 200 Freestyle | SCY | 1:53.84 | 2026-03-30 | 2026 MASI Short Course Silver Championships hosted by EMAC | |
| 500 Freestyle | SCY | 5:18.39 | 2025-03-31 | MASI Silver SC Championships hosted by EMAC | |
| 1650 Freestyle | SCY | 19:05.47 | 2026-11-01 | 1764333 | |
| 100 Backstroke | SCY | 1:06.73 | 2025-10-30 | UDAC Rocktoberfest | |
| 200 Backstroke | SCY | 2:21.31 | 2025-10-30 | UDAC Rocktoberfest | |
| 100 Breaststroke | SCY | 1:07.62 | 2026-03-30 | 2026 MASI Short Course Silver Championships hosted by EMAC | |
| 200 Breaststroke | SCY | 2:38.59 | 2025-10-30 | UDAC Rocktoberfest | |
| 100 Butterfly | SCY | 57.89 | 2026-03-30 | 2026 MASI Short Course Silver Championships hosted by EMAC | |
| 200 Butterfly | SCY | 2:22.70 | 2026-02-22 | EMAC Rested and Ready 14 & Over Closed Invite | |
| 100 Individual Medley | SCY | 1:01.93 | 2025-10-30 | UDAC Rocktoberfest | |
| 200 Individual Medley | SCY | 2:09.57 | 2026-03-30 | 2026 MASI Short Course Silver Championships hosted by EMAC | |
| 400 Individual Medley | SCY | 4:57.69 | 2025-10-30 | UDAC Rocktoberfest | |
| 50 Freestyle | LCM | 26.71 | 2026-01-01 | 1727933 | |
| 100 Freestyle | LCM | 59.25 | 2025-07-27 | MASI Long Course Silver Championships at PSU | |
| 200 Freestyle | LCM | 2:18.42 | 2026-06-30 | LAC Arena Classic | |
| 400 Freestyle | LCM | 4:58.61 | 2026-06-30 | LAC Arena Classic | |
| 800 Freestyle | LCM | 11:14.63 | 2024-05-20 | MAKO Spring Fling LC ABBC Invitational | |
| 1500 Freestyle | LCM | 22:01.79 | 2024-07-01 | LAC Arena Classic | |
| 100 Backstroke | LCM | 1:19.84 | 2026-06-02 | CARY Splash Into Summer Invite | |
| 200 Backstroke | LCM | 2:51.44 | 2025-06-04 | LAC Longing for Summer | |
| 100 Breaststroke | LCM | 1:27.28 | 2025-06-04 | LAC Longing for Summer | |
| 50 Butterfly | LCM | 30.11 | 2026-01-01 | 1727933 | |
| 100 Butterfly | LCM | 1:11.05 | 2026-07-28 | 1732474 | |
| 200 Individual Medley | LCM | 2:41.74 | 2026-06-02 | CARY Splash Into Summer Invite | |
| 400 Individual Medley | LCM | 6:21.28 | 2024-07-01 | LAC Arena Classic |
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.55 | flying | 200 Free Relay (leg 2) | 2024-12-13 | Club Mountaineer Speedo Invite |
| 50 Freestyle | SCY | 25.25 | flying | 200 Medley Relay (leg 4) | 2024-12-15 | Club Mountaineer Speedo 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.
PR splits
100 Freestyle SCY 53.81 split/total mismatch
Front half 25.58s · back half 28.23s
200 Freestyle SCY 1:53.84 split/total mismatch
Front half 28.46s · back half 85.38s
500 Freestyle SCY 5:18.39 split/total mismatch
1650 Freestyle SCY 19:05.47 split/total mismatch
100 Backstroke SCY 1:06.73 split/total mismatch
Front half 31.86s · back half 34.87s
200 Backstroke SCY 2:21.31 split/total mismatch
100 Breaststroke SCY 1:07.62 split/total mismatch
Front half 31.36s · back half 36.26s
200 Breaststroke SCY 2:38.59 split/total mismatch
100 Butterfly SCY 57.89 split/total mismatch
Front half 27.40s · back half 30.49s
200 Butterfly SCY 2:22.70
Front half 63.16s · back half 79.54s
100 Individual Medley SCY 1:01.93 split/total mismatch
Front half 28.45s · back half 33.48s
200 Individual Medley SCY 2:09.57 split/total mismatch
400 Individual Medley SCY 4:57.69 split/total mismatch
100 Freestyle LCM 59.25 split/total mismatch
Front half 29.27s · back half 29.98s
200 Freestyle LCM 2:18.42 split/total mismatch
400 Freestyle LCM 4:58.61 split/total mismatch
800 Freestyle LCM 11:14.63 split/total mismatch
1500 Freestyle LCM 22:01.79 split/total mismatch
200 Backstroke LCM 2:51.44 split/total mismatch
100 Breaststroke LCM 1:27.28 split/total mismatch
Front half 41.04s · back half 46.24s
100 Butterfly LCM 1:11.05 split/total mismatch
Front half 33.30s · back half 37.75s
200 Individual Medley LCM 2:41.74 split/total mismatch
Front half 77.52s · back half 84.22s
400 Individual Medley LCM 6:21.28 split/total mismatch
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.