David Bosch
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.57 | AAA+0.88s to AAAA | 2023-05-12 | 2023 CO OB CHSAA 4A State Championships venue |
| 100 Freestyle | SCY | 47.35 | AAA+1.86s to AAAA | 2023-02-19 | 2023 CO AP CSI Senior Meet venue |
| 200 Freestyle | SCY | 1:45.49 | AA+0.10s to AAA | 2023-02-18 | 2023 CO AP CSI Senior Meet venue |
| 500 Freestyle | SCY | 5:09.81 | A+10.12s to AA | 2021-09-26 | 2021 CO LOVE, HRA, AVON, CCA Quad Meet venue |
| 100 Backstroke | SCY | 56.16 | A+2.27s to AA | 2024-02-17 | 2024 CO CSI Senior Meet venue |
| 200 Backstroke | SCY | 2:07.50 | BB+3.71s to A | 2023-10-22 | 2023 CO Loveland Fall Open venue |
| 50 Breaststroke | SCY | 27.14 | AAA+0.45s to AAAA | 2022-11-12 | 2022 CO Loveland Red vs Blue #1 venue |
| 100 Breaststroke | SCY | 56.34 | AAA+0.15s to AAAA | 2023-05-12 | 2023 CO OB CHSAA 4A State Championships venue |
| 200 Breaststroke | SCY | 2:15.59 | A+1.80s to AA | 2022-03-24 | 2022 4C Speedo Sectionals - Austin venue |
| 50 Butterfly | SCY | 24.60 | AA+0.31s to AAA | 2022-11-12 | 2022 CO Loveland Red vs Blue #1 venue |
| 100 Butterfly | SCY | 51.31 | AAA+2.12s to AAAA | 2023-02-19 | 2023 CO AP CSI Senior Meet venue |
| 100 Individual Medley | SCY | 56.67 | 2022-11-12 | 2022 CO Loveland Red vs Blue #1 venue | |
| 200 Individual Medley | SCY | 1:56.80 | AA+0.61s to AAA | 2023-02-19 | 2023 CO AP CSI Senior Meet venue |
| 50 Freestyle | LCM | 24.36 | AAA+0.37s to AAAA | 2023-06-25 | 2023 CO Steve Drozda LC Shotgun venue |
| 100 Freestyle | LCM | 53.76 | AAA+1.07s to AAAA | 2023-06-24 | 2023 CO Steve Drozda LC Shotgun venue |
| 200 Freestyle | LCM | 2:02.52 | AA+1.83s to AAA | 2022-07-29 | Finals - Western Zone Senior Champs fast pool |
| 100 Backstroke | LCM | 1:06.34 | A+2.15s to AA | 2024-06-08 | 2024 CO FAST June Bonanza Open venue |
| 50 Breaststroke | LCM | 31.82 | AAA+1.13s to AAAA | 2021-05-30 | 2021 CO TOPS Last Train to Omaha venue |
| 100 Breaststroke | LCM | 1:06.59 | AAA+1.30s to AAAA | 2022-07-30 | Finals - Western Zone Senior Champs fast pool |
| 200 Breaststroke | LCM | 2:34.88 | AA+5.19s to AAA | 2022-07-27 | Finals - Western Zone Senior Champs fast pool |
| 50 Butterfly | LCM | 28.00 | AA+0.61s to AAA | 2024-07-06 | 2024 CO Greeley Stampede venue |
| 100 Butterfly | LCM | 58.81 | AAA+2.52s to AAAA | 2023-06-25 | 2023 CO Steve Drozda LC Shotgun venue |
| 200 Individual Medley | LCM | 2:13.53 | AAA+3.94s to AAAA | 2022-07-28 | Finals - Western Zone Senior Champs fast pool |
| 400 Individual Medley | LCM | 5:48.64 | B+4.15s to BB | 2024-04-26 | 2024 CO FAST Spring Splash LC Open |
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 |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.77 | flat | 200 Free Relay | 2023-09-17 | 2023 CO Loveland Quad Meet |
| 50 Freestyle | SCY | 21.92 | flying | 200 Medley Relay (leg 4) | 2022-09-17 | 2022 CO LOVE vs HRA Dual |
| 50 Freestyle | SCY | 20.89 | flying | 200 Free Relay (leg 2) | 2022-03-24 | 2022 4C Speedo Sectionals - Austin |
| 100 Freestyle | SCY | 47.15 | flying | 400 Free Relay (leg 2) | 2022-03-25 | 2022 4C Speedo Sectionals - Austin |
| 50 Breaststroke | SCY | 25.35 | flying | 200 Medley Relay (leg 2) | 2022-03-24 | 2022 4C Speedo Sectionals - Austin |
| 100 Freestyle | LCM | 55.00 | flat | 400 Free Relay | 2023-07-20 | 2023 CO CSI Senior LC State Championships |
| 100 Freestyle | LCM | 54.52 | flying | 400 Free Relay (leg 2) | 2022-07-30 | Finals - Western Zone Senior Champs |
| 200 Freestyle | LCM | 2:01.83 | flying | 800 Free Relay (leg 2) | 2022-07-28 | Finals - Western Zone Senior Champs |
| 100 Breaststroke | LCM | 1:06.26 | flying | 400 Medley Relay (leg 2) | 2022-07-29 | Finals - Western Zone Senior Champs |
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
2854 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:09.81 | 679 |
| 200 BK SCY | 2:07.50 | 605 |
| 200 BR SCY | 2:15.59 | 722 |
| 200 IM SCY | 1:56.80 | 848 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
4219 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:45.49 | 856 |
| 100 BK SCY | 56.16 | 659 |
| 100 BR SCY | 56.34 | 981 |
| 100 FL SCY | 51.31 | 875 |
| 200 IM SCY | 1:56.80 | 848 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 47.35
Front half 22.90s · back half 24.45s
200 Freestyle SCY 1:45.49
Front half 51.44s · back half 54.05s
500 Freestyle SCY 5:09.81
Front half 151.39s · back half 158.42s
100 Backstroke SCY 56.16
Front half 27.36s · back half 28.80s
200 Backstroke SCY 2:07.50
Front half 62.57s · back half 64.93s
100 Breaststroke SCY 56.34
Front half 26.76s · back half 29.58s
200 Breaststroke SCY 2:15.59 RT 0.73s
Front half 64.03s · back half 71.56s
100 Butterfly SCY 51.31
Front half 24.55s · back half 26.76s
100 Individual Medley SCY 56.67
Front half 28.26s · back half 28.41s
200 Individual Medley SCY 1:56.80
Front half 56.60s · back half 60.20s
100 Freestyle LCM 53.76
Front half 25.64s · back half 28.12s
200 Freestyle LCM 2:02.52
Front half 60.08s · back half 62.44s
100 Backstroke LCM 1:06.34
Front half 33.19s · back half 33.15s
100 Breaststroke LCM 1:06.59
Front half 30.96s · back half 35.63s
200 Breaststroke LCM 2:34.88
Front half 73.56s · back half 81.32s
100 Butterfly LCM 58.81
Front half 26.70s · back half 32.11s
200 Individual Medley LCM 2:13.53
Front half 64.25s · back half 69.28s
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.