Jack Grzincic
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.04 | B+0.35s to BB | 2017-03-04 | 2017 IE SC Championship fast pool |
| 100 Freestyle | SCY | 1:03.63 | B+3.24s to BB | 2017-03-05 | 2017 IE SC Championship fast pool |
| 200 Freestyle | SCY | 2:12.95 | B+0.56s to BB | 2018-01-20 | 2018 GMSC Bare Bones Developmental Meet fast pool |
| 50 Backstroke | SCY | 33.92 | +0.23s to B | 2017-03-12 | 2017 Shamrock Shake Up venue |
| 100 Backstroke | SCY | 1:10.59 | B+4.30s to BB | 2017-02-11 | 2017 IES 14 & Under Junior Champs venue |
| 200 Backstroke | SCY | 2:35.42 | +0.23s to B | 2017-03-12 | 2017 Shamrock Shake Up venue |
| 50 Breaststroke | SCY | 40.91 | +2.32s to B | 2017-03-11 | 2017 Shamrock Shake Up venue |
| 50 Butterfly | SCY | 30.23 | BB+1.84s to A | 2018-01-20 | 2018 GMSC Bare Bones Developmental Meet fast pool |
| 100 Butterfly | SCY | 1:11.52 | +1.03s to B | 2017-02-11 | 2017 IES 14 & Under Junior Champs venue |
| 100 Individual Medley | SCY | 1:10.51 | 2017-02-12 | 2017 IES 14 & Under Junior Champs venue | |
| 50 Freestyle | LCM | 30.86 | BB+1.47s to A | 2019-06-23 | 2019 IE SAS Summer Solstice Swim Meet venue |
| 100 Freestyle | LCM | 1:04.03 | A+2.34s to AA | 2019-06-22 | 2019 IE SAS Summer Solstice Swim Meet venue |
| 200 Freestyle | LCM | 2:31.64 | BB+11.05s to A | 2017-07-16 | 2017 Sizzlin' Summer Open slow pool |
| 50 Backstroke | LCM | 34.26 | BB+0.37s to A | 2019-06-23 | 2019 IE SAS Summer Solstice Swim Meet venue |
| 100 Backstroke | LCM | 1:16.78 | BB+5.09s to A | 2019-06-23 | 2019 IE SAS Summer Solstice Swim Meet venue |
| 200 Backstroke | LCM | 2:42.48 | BB+6.49s to A | 2019-06-22 | 2019 IE SAS Summer Solstice Swim Meet venue |
| 50 Breaststroke | LCM | 44.95 | +0.86s to B | 2019-06-22 | 2019 IE SAS Summer Solstice Swim Meet venue |
| 100 Breaststroke | LCM | 1:36.61 | +2.62s to B | 2017-06-17 | 2017 IE SAS Summer Solstice Swim Meet venue |
| 50 Butterfly | LCM | 32.46 | BB+0.47s to A | 2019-06-22 | 2019 IE SAS Summer Solstice Swim Meet venue |
| 100 Butterfly | LCM | 1:12.31 | BB+3.42s to A | 2019-06-22 | 2019 IE SAS Summer Solstice Swim Meet venue |
| 200 Butterfly | LCM | 2:45.34 | BB+10.95s to A | 2019-06-23 | 2019 IE SAS Summer Solstice Swim Meet venue |
| 200 Individual Medley | LCM | 2:53.38 | B+3.49s to BB | 2017-07-15 | 2017 Sizzlin' Summer Open slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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 | 28.41 | flat | 200 Free Relay | 2017-03-11 | 2017 Shamrock Shake Up |
| 50 Freestyle | SCY | 25.55 | flying | 200 Medley Relay (leg 4) | 2017-03-04 | 2017 IE SC Championship |
| 50 Freestyle | SCY | 27.88 | flying | 200 Free Relay (leg 2) | 2017-03-05 | 2017 IE SC Championship |
| 50 Backstroke | SCY | 33.61 | flat | 200 Medley Relay | 2017-02-11 | 2017 IES 14 & Under Junior Champs |
| 50 Butterfly | SCY | 32.60 | flying | 200 Medley Relay (leg 3) | 2016-12-04 | 2016 Jingle Bell |
| 50 Freestyle | LCM | 32.05 | flying | 200 Free Relay (leg 2) | 2017-06-18 | 2017 IE SAS Summer Solstice Swim Meet |
| 50 Backstroke | LCM | 48.06 | flat | 200 Medley Relay | 2016-06-18 | 2016 IE SAS Summer Solstice Swim Meet |
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 13-14 · LCM
1626 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK LCM | 2:42.48 | 590 |
| 200 FL LCM | 2:45.34 | 541 |
| 200 IM LCM | 2:53.38 | 495 |
| 400 FR LCM | — | 0 |
| 200 BR LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 13-14 · LCM
2538 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:31.64 | 533 |
| 100 BK LCM | 1:16.78 | 546 |
| 100 BR LCM | 1:36.61 | 385 |
| 100 FL LCM | 1:12.31 | 579 |
| 200 IM LCM | 2:53.38 | 495 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:03.63
Front half 30.52s · back half 33.11s
200 Freestyle SCY 2:12.95
Front half 62.70s · back half 70.25s
100 Backstroke SCY 1:10.59
Front half 35.24s · back half 35.35s
200 Backstroke SCY 2:35.42
100 Butterfly SCY 1:11.52
Front half 32.56s · back half 38.96s
100 Individual Medley SCY 1:10.51
Front half 33.19s · back half 37.32s
100 Freestyle LCM 1:04.03
Front half 30.52s · back half 33.51s
200 Freestyle LCM 2:31.64
Front half 96.95s · back half 54.69s
100 Backstroke LCM 1:16.78
Front half 37.80s · back half 38.98s
200 Backstroke LCM 2:42.48
Front half 79.86s · back half 82.62s
100 Breaststroke LCM 1:36.61
Front half 45.16s · back half 51.45s
100 Butterfly LCM 1:12.31
Front half 33.17s · back half 39.14s
200 Butterfly LCM 2:45.34
Front half 77.33s · back half 88.01s
200 Individual Medley LCM 2:53.38
Front half 80.92s · back half 92.46s
Progression
Faster times are higher. One card per event, all courses & history.