swimJacob Mendelsberg
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 15.00 | 2023-12-17 | 2023 CO AAC 12&U Sprint Eliminator venue | |
| 50 Freestyle | SCY | 29.65 | BB+1.56s to A | 2025-01-01 | 2025 CO AQUA, AAC, DSA Tri Meet |
| 100 Freestyle | SCY | 1:06.48 | B+0.09s to BB | 2025-02-02 | 2025 CO AQUA Intra-Squad venue |
| 200 Freestyle | SCY | 2:27.55 | B+2.66s to BB | 2025-03-07 | 2025 CO CSI Silver State Championships venue |
| 500 Freestyle | SCY | 6:36.96 | B+6.97s to BB | 2025-01-01 | 2025 CO AQUA, AAC, DSA Tri Meet |
| 25 Backstroke | SCY | 21.25 | 2021-12-21 | 2021 CO AAC 12&U Sprint Eliminator venue | |
| 50 Backstroke | SCY | 34.90 | BB+2.21s to A | 2025-03-08 | 2025 CO CSI Silver State Championships venue |
| 100 Backstroke | SCY | 1:16.31 | B+0.62s to BB | 2025-01-01 | 2025 CO AQUA November Meet |
| 200 Backstroke | SCY | 2:53.55 | +0.66s to B | 2024-09-20 | 2024 CO AQUA vs DSA Dual venue |
| 25 Breaststroke | SCY | 35.23 | 2019-12-22 | 2019 CO JH Grand Prix Series #2 slow pool | |
| 50 Breaststroke | SCY | 40.44 | B+0.35s to BB | 2025-01-01 | 2025 CO AQUA, AAC, DSA Tri Meet |
| 100 Breaststroke | SCY | 1:30.40 | B+4.91s to BB | 2024-11-16 | 2024 CO AQUA Intra-Squad venue |
| 200 Breaststroke | SCY | 3:07.17 | B+4.78s to BB | 2025-01-01 | 2025 CO AQUA, AAC, DSA Tri Meet |
| 50 Butterfly | SCY | 34.09 | BB+2.90s to A | 2024-11-23 | 2024 CO CUDA Pentathlon XXXVII venue |
| 100 Butterfly | SCY | 1:28.34 | +5.45s to B | 2025-01-01 | 2025 CO AQUA November Meet |
| 200 Butterfly | SCY | 3:21.47 | +24.78s to B | 2024-09-21 | 2024 CO AQUA vs DSA Dual venue |
| 100 Individual Medley | SCY | 1:05.41 | AA+1.42s to AAA | 2025-01-01 | 2025 CO CUDA Pentathlon XXXVIII |
| 200 Individual Medley | SCY | 2:47.39 | B+1.60s to BB | 2025-01-01 | 2025 CO AQUA November Meet |
| 50 Freestyle | LCM | 34.88 | B+0.09s to BB | 2025-04-13 | 2025 CO NJ Spring LC Tri-Meet fast pool |
| 100 Freestyle | LCM | 1:18.88 | B+2.69s to BB | 2025-04-13 | 2025 CO NJ Spring LC Tri-Meet fast pool |
| 200 Freestyle | LCM | 2:55.03 | B+8.64s to BB | 2024-07-14 | 2024 CO ACES/DSA Summer Blast venue |
| 400 Freestyle | LCM | 6:02.58 | B+8.59s to BB | 2024-07-26 | 2024 CO CSI LC Age Group Championships venue |
| 50 Backstroke | LCM | 41.44 | B+0.25s to BB | 2025-04-13 | 2025 CO NJ Spring LC Tri-Meet fast pool |
| 100 Backstroke | LCM | 1:33.85 | B+4.26s to BB | 2024-07-14 | 2024 CO ACES/DSA Summer Blast venue |
| 200 Backstroke | LCM | 3:17.54 | B+9.05s to BB | 2024-07-26 | 2024 CO CSI LC Age Group Championships venue |
| 50 Breaststroke | LCM | 48.40 | B+2.51s to BB | 2025-04-13 | 2025 CO NJ Spring LC Tri-Meet fast pool |
| 100 Breaststroke | LCM | 2:15.50 | +27.71s to B | 2022-05-15 | 2022 CO CUDA vs AQUA Dual venue |
| 200 Breaststroke | LCM | 3:51.44 | +3.55s to B | 2024-07-12 | 2024 CO ACES/DSA Summer Blast venue |
| 50 Butterfly | LCM | 44.27 | +2.28s to B | 2025-04-13 | 2025 CO NJ Spring LC Tri-Meet fast pool |
| 100 Butterfly | LCM | 1:52.19 | +17.10s to B | 2024-06-02 | 2024 CO Barracuda Summer Sizzler Invite venue |
| 200 Individual Medley | LCM | 3:30.82 | +5.83s to B | 2024-06-02 | 2024 CO Barracuda Summer Sizzler Invite venue |
| 400 Individual Medley | LCM | 7:19.84 | +1.95s to B | 2024-05-18 | 2024 CO CUDA vs AQUA Dual venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 | 44.48 | flat | 200 Free Relay | 2021-12-04 | 2021 CO CSI Pioneer Open |
| 50 Freestyle | SCY | 29.47 | flying | 200 Medley Relay (leg 4) | 2022-02-26 | 2022 CO CSI SC Age Group Championships |
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 11-12 · SCY
2183 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:36.96 | 499 |
| 100 BK SCY | 1:16.31 | 473 |
| 100 BR SCY | 1:30.40 | 421 |
| 100 FL SCY | 1:28.34 | 299 |
| 200 IM SCY | 2:47.39 | 491 |
IMR 11-12 · SCY
2789 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:27.55 | 498 |
| 50 BK SCY | 34.90 | 526 |
| 50 BR SCY | 40.44 | 472 |
| 50 FL SCY | 34.09 | 479 |
| 100 IM SCY | 1:05.41 | 814 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:06.48
Front half 31.99s · back half 34.49s
200 Freestyle SCY 2:27.55
Front half 71.33s · back half 76.22s
200 Backstroke SCY 2:53.55
Front half 84.07s · back half 89.48s
100 Breaststroke SCY 1:30.40
Front half 43.49s · back half 46.91s
200 Butterfly SCY 3:21.47
Front half 93.48s · back half 107.99s
200 Freestyle LCM 2:55.03
Front half 86.80s · back half 88.23s
400 Freestyle LCM 6:02.58
Front half 181.05s · back half 181.53s
100 Backstroke LCM 1:33.85
Front half 45.41s · back half 48.44s
200 Backstroke LCM 3:17.54
Front half 96.92s · back half 100.62s
100 Breaststroke LCM 2:15.50
Front half 66.02s · back half 69.48s
200 Breaststroke LCM 3:51.44
Front half 115.88s · back half 115.56s
100 Butterfly LCM 1:52.19
Front half 50.57s · back half 61.62s
200 Individual Medley LCM 3:30.82
Front half 105.91s · back half 104.91s
400 Individual Medley LCM 7:19.84
Progression
Faster times are higher. One card per event, all courses & history.