swimShelby Costello
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 33.90 | 2019-12-13 | Lake Cumberland Middle School Invitational venue | |
| 100 Freestyle | SCY | 1:31.00 | 2018-12-08 | Warren County Holiday Invitational 2018 slow pool | |
| 50 Backstroke | SCY | 41.52 | 2019-12-13 | Lake Cumberland Middle School Invitational venue | |
| 50 Breaststroke | SCY | 46.26 | 2019-12-13 | Lake Cumberland Middle School Invitational venue | |
| 100 Breaststroke | SCY | 1:57.22 | 2018-12-08 | Warren County Holiday Invitational 2018 slow pool |
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 | 37.64 | flat | 200 Free Relay | 2019-12-13 | Lake Cumberland Middle School Invitational |
| 50 Freestyle | SCY | 29.32 | flying | 200 Medley Relay (leg 4) | 2018-12-08 | Warren County Holiday Invitational 2018 |
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 1:31.00
Front half 42.00s · back half 49.00s
100 Breaststroke SCY 1:57.22
Front half 55.98s · back half 61.24s
Progression
Faster times are higher. One card per event, all courses & history.