Zakary Guenther
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.23 | 2024-01-12 | 2024 PN VAST 47th Annual Washington Open venue | |
| 100 Freestyle | SCY | 49.19 | 2024-12-07 | 2024 Oregon Senior Open venue | |
| 200 Freestyle | SCY | 1:44.98 | 2025-01-16 | 2025 PN VAST 48th Annual Washington Open | |
| 500 Freestyle | SCY | 4:44.97 | 2025-01-17 | 2025 Washington Open venue | |
| 1000 Freestyle | SCY | 9:45.45 | 2024-01-11 | 2024 PN VAST 47th Annual Washington Open venue | |
| 100 Backstroke | SCY | 51.47 | 2025-01-19 | 2025 PN VAST 48th Annual Washington Open venue | |
| 200 Backstroke | SCY | 1:52.51 | 2025-01-17 | 2025 Washington Open venue | |
| 100 Breaststroke | SCY | 1:01.49 | 2024-12-07 | 2024 Oregon Senior Open venue | |
| 200 Breaststroke | SCY | 2:16.96 | 2024-01-14 | 2024 PN VAST 47th Annual Washington Open venue | |
| 100 Butterfly | SCY | 51.87 | 2025-01-18 | 2025 PN VAST 48th Annual Washington Open venue | |
| 200 Butterfly | SCY | 1:51.08 | 2025-01-19 | 2025 PN VAST 48th Annual Washington Open venue | |
| 200 Individual Medley | SCY | 1:56.98 | 2024-01-12 | 2024 PN VAST 47th Annual Washington Open venue | |
| 400 Individual Medley | SCY | 4:06.05 | 2024-01-13 | 2024 PN VAST 47th Annual Washington Open venue | |
| 50 Freestyle | LCM | 26.71 | 2025-06-28 | TEAM Summer Invitational venue | |
| 100 Freestyle | LCM | 56.38 | 2025 Speedo Sectionals - Mt Hood WZ venue | ||
| 200 Freestyle | LCM | 2:00.87 | 2024-08-02 | WZ LCM Senior Champs 2024 venue | |
| 400 Freestyle | LCM | 4:26.89 | 2022-07-28 | Finals - Western Zone Senior Champs fast pool | |
| 800 Freestyle | LCM | 9:07.47 | 2022-07-14 | 2022 Speedo Sectionals - Mt Hood venue | |
| 1500 Freestyle | LCM | 16:49.92 | 2024-07-30 | GroupB - WZ LCM Senior Champs 2024 venue | |
| 50 Backstroke | LCM | 31.22 | 2026-06-26 | 2026 TEAM Summer Invitational venue | |
| 100 Backstroke | LCM | 1:02.59 | 2024-07-12 | 2024 Speedo Sectionals - Mt Hood venue | |
| 200 Backstroke | LCM | 2:12.76 | 2024-08-01 | WZ LCM Senior Champs 2024 venue | |
| 100 Breaststroke | LCM | 1:18.95 | 2026-05-29 | 2026 TRI-CITY INVITATIONAL venue | |
| 200 Breaststroke | LCM | 2:41.47 | 2025-06-28 | TEAM Summer Invitational venue | |
| 100 Butterfly | LCM | 59.42 | 2024-08-01 | WZ LCM Senior Champs 2024 venue | |
| 200 Butterfly | LCM | 2:02.52 | 2025-07-30 | 2025 Speedo Junior National Championships fast pool | |
| 200 Individual Medley | LCM | 2:11.04 | 2025-07-23 | USA Swimming Futures Sacramento 2025 | |
| 400 Individual Medley | LCM | 4:35.71 | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
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 | 47.50 | flying | 400 Free Relay (leg 4) | 2025-01-18 | 2025 PN VAST 48th Annual Washington Open |
| 200 Freestyle | SCY | 1:44.67 | flat | 800 Free Relay | 2025-01-16 | 2025 Washington Open |
| 200 Freestyle | SCY | 1:44.62 | flying | 800 Free Relay (leg 4) | 2025-01-16 | 2025 PN VAST 48th Annual Washington Open |
| 50 Backstroke | SCY | 26.28 | flat | 200 Medley Relay | 2022-03-30 | 2022 Western Zone SCY Senior Zones |
| 100 Backstroke | SCY | 52.42 | flat | 400 Medley Relay | 2025-01-17 | 2025 Washington Open |
| 50 Freestyle | LCM | 26.24 | flying | 200 Free Relay (leg 4) | 2022-07-14 | 2022 Speedo Sectionals - Mt Hood |
| 100 Freestyle | LCM | 58.93 | flat | 400 Free Relay | 2021-08-04 | 2021 Western Zone Age Group Championships |
| 100 Freestyle | LCM | 55.51 | flying | 400 Free Relay (leg 2) | 2024-07-12 | 2024 Speedo Sectionals - Mt Hood |
| 200 Freestyle | LCM | 2:02.14 | flying | 800 Free Relay (leg 2) | 2024-07-13 | 2024 Speedo Sectionals - Mt Hood |
| 50 Backstroke | LCM | 29.24 | flat | 200 Medley Relay | 2025-07-17 | 2025 Speedo Sectionals - Mt Hood WZ |
| 100 Backstroke | LCM | 1:01.04 | flat | 400 Medley Relay | 2025-07-26 | USA Swimming Futures Sacramento 2025 |
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 49.19
Front half 24.06s · back half 25.13s
200 Freestyle SCY 1:44.98
Front half 51.65s · back half 53.33s
500 Freestyle SCY 4:44.97
Front half 141.52s · back half 143.45s
1000 Freestyle SCY 9:45.45 RT 0.53s
Front half 291.61s · back half 293.84s
100 Backstroke SCY 51.47 RT 0.92s
Front half 24.97s · back half 26.50s
200 Backstroke SCY 1:52.51 RT 0.75s
Front half 54.74s · back half 57.77s
100 Breaststroke SCY 1:01.49
Front half 29.21s · back half 32.28s
200 Breaststroke SCY 2:16.96 RT 0.49s
Front half 66.02s · back half 70.94s
100 Butterfly SCY 51.87 RT 0.49s
Front half 24.53s · back half 27.34s
200 Butterfly SCY 1:51.08 RT 0.49s
Front half 53.10s · back half 57.98s
200 Individual Medley SCY 1:56.98 RT 0.47s
Front half 54.88s · back half 62.10s
400 Individual Medley SCY 4:06.05 RT 0.51s
Front half 116.28s · back half 129.77s
200 Freestyle LCM 2:00.87
Front half 59.61s · back half 61.26s
400 Freestyle LCM 4:26.89
Front half 133.86s · back half 133.03s
800 Freestyle LCM 9:07.47
1500 Freestyle LCM 16:49.92
Front half 507.12s · back half 502.80s
200 Backstroke LCM 2:12.76
Front half 65.27s · back half 67.49s
200 Breaststroke LCM 2:41.47
Front half 78.98s · back half 82.49s
100 Butterfly LCM 59.42
Front half 28.40s · back half 31.02s
200 Butterfly LCM 2:02.52 RT 0.64s
Front half 58.58s · back half 63.94s
200 Individual Medley LCM 2:11.04 split/total mismatch
400 Individual Medley LCM 4:35.71 split/total mismatch
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.