Bo Hallenborg
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.65 | AAAA | 2026-03-21 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 100 Freestyle | SCY | 49.64 | AAAA | 2026-03-22 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 200 Freestyle | SCY | 1:49.18 | AAAA | 2026-03-20 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 500 Freestyle | SCY | 4:55.03 | AAAA | 2026-03-21 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 1000 Freestyle | SCY | 10:34.31 | AAA+15.62s to AAAA | 2025-11-14 | 2025 MOR Atlantic Invitational Meet venue |
| 1650 Freestyle | SCY | 18:35.27 | AA+25.08s to AAA | 2025-10-24 | 2025 MOR Kick Off venue |
| 50 Backstroke | SCY | 31.15 | BB+0.76s to A | 2023-12-09 | 2023 12th Speedo Swim and Tri Winter Champs venue |
| 100 Backstroke | SCY | 54.04 | AAAA | 2026-02-28 | 2026 NCS SC AG CHAMPS venue |
| 200 Backstroke | SCY | 1:57.67 | AAAA | 2026-03-22 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 100 Breaststroke | SCY | 1:09.79 | A+0.50s to AA | 2026-01-18 | 2026 RSA Winter Tri venue |
| 50 Butterfly | SCY | 31.30 | BB+1.61s to A | 2023-12-10 | 2023 12th Speedo Swim and Tri Winter Champs venue |
| 100 Butterfly | SCY | 56.34 | AAA+1.05s to AAAA | 2026-03-20 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 200 Butterfly | SCY | 2:19.58 | A+3.79s to AA | 2025-10-25 | 2025 MOR Kick Off venue |
| 100 Individual Medley | SCY | 57.41 | 2026-02-26 | 2026 NCS SC AG CHAMPS venue | |
| 200 Individual Medley | SCY | 2:06.19 | AAA+2.70s to AAAA | 2026-03-22 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 400 Individual Medley | SCY | 4:39.34 | AA+2.15s to AAA | 2025-12-05 | 14th Annual Swim & Tri Speedo Winter Champs fast pool |
| 50 Freestyle | LCM | 27.10 | AAA+0.31s to AAAA | 2025-07-18 | NCS LC AG Championships venue |
| 100 Freestyle | LCM | 59.78 | AAA+1.09s to AAAA | 2025-07-20 | NCS LC AG Championships venue |
| 200 Freestyle | LCM | 2:11.04 | AAA+3.55s to AAAA | 2026-04-25 | 2026 NCAC Quad Meet venue |
| 400 Freestyle | LCM | 4:49.19 | AA+6.40s to AAA | 2025-07-18 | NCS LC AG Championships venue |
| 50 Backstroke | LCM | 30.12 | AAAA | 2025-07-20 | NCS LC AG Championships venue |
| 100 Backstroke | LCM | 1:04.78 | AAAA | 2025-07-19 | NCS LC AG Championships venue |
| 200 Backstroke | LCM | 2:21.87 | AAAA | 2026-04-26 | 2026 NCAC Quad Meet venue |
| 50 Breaststroke | LCM | 39.24 | A+1.55s to AA | 2025-06-14 | 2025 MOR Liberty Meet venue |
| 100 Breaststroke | LCM | 1:29.19 | BB+5.90s to A | 2025-06-15 | 2025 MOR Liberty Meet venue |
| 200 Breaststroke | LCM | 3:12.94 | BB+10.05s to A | 2026-04-25 | 2026 NCAC Quad Meet venue |
| 50 Butterfly | LCM | 31.01 | AA+0.32s to AAA | 2025-05-18 | NCAC Meet on the Hill 2025 venue |
| 100 Butterfly | LCM | 1:08.68 | AA+2.59s to AAA | 2026-04-25 | 2026 NCAC Quad Meet venue |
| 200 Butterfly | LCM | 2:40.98 | A+5.79s to AA | 2026-04-26 | 2026 NCAC Quad Meet venue |
| 200 Individual Medley | LCM | 2:31.22 | AA+1.63s to AAA | 2026-04-26 | 2026 NCAC Quad Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 | 22.76 | flying | 200 Free Relay (leg 3) | 2026-02-28 | 2026 NCS SC AG CHAMPS |
| 100 Freestyle | SCY | 49.42 | flying | 400 Free Relay (leg 3) | 2026-03-20 | 2026 NC TAC ESSZ Age Group Sectionals |
| 100 Backstroke | SCY | 57.33 | flat | 400 Medley Relay | 2026-02-28 | 2026 NCS SC AG 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 13-14 · SCY
4068 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:55.03 | 942 |
| 200 BK SCY | 1:57.67 | 957 |
| 200 FL SCY | 2:19.58 | 597 |
| 200 IM SCY | 2:06.19 | 827 |
| 400 IM SCY | 4:39.34 | 745 |
| 200 BR SCY | — | 0 |
IMR 13-14 · SCY
4208 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:49.18 | 938 |
| 100 BK SCY | 54.04 | 969 |
| 100 BR SCY | 1:09.79 | 647 |
| 100 FL SCY | 56.34 | 827 |
| 200 IM SCY | 2:06.19 | 827 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 49.64
Front half 23.83s · back half 25.81s
200 Freestyle SCY 1:49.18
Front half 52.83s · back half 56.35s
500 Freestyle SCY 4:55.03
Front half 146.76s · back half 148.27s
1000 Freestyle SCY 10:34.31
Front half 321.82s · back half 312.49s
1650 Freestyle SCY 18:35.27
100 Backstroke SCY 54.04
Front half 25.95s · back half 28.09s
200 Backstroke SCY 1:57.67
Front half 57.97s · back half 59.70s
100 Breaststroke SCY 1:09.79
Front half 32.67s · back half 37.12s
100 Butterfly SCY 56.34
Front half 26.19s · back half 30.15s
200 Butterfly SCY 2:19.58
Front half 64.12s · back half 75.46s
100 Individual Medley SCY 57.41
Front half 26.48s · back half 30.93s
200 Individual Medley SCY 2:06.19
Front half 58.43s · back half 67.76s
400 Individual Medley SCY 4:39.34 RT 0.67s
Front half 133.22s · back half 146.12s
100 Freestyle LCM 59.78 RT 0.62s
Front half 28.76s · back half 31.02s
200 Freestyle LCM 2:11.04
Front half 65.56s · back half 65.48s
400 Freestyle LCM 4:49.19 RT 0.67s
Front half 141.33s · back half 147.86s
100 Backstroke LCM 1:04.78 RT 0.70s
Front half 31.41s · back half 33.37s
200 Backstroke LCM 2:21.87 RT 0.65s
Front half 71.10s · back half 70.77s
100 Breaststroke LCM 1:29.19
Front half 41.66s · back half 47.53s
200 Breaststroke LCM 3:12.94
Front half 93.55s · back half 99.39s
100 Butterfly LCM 1:08.68 RT 0.97s
Front half 33.74s · back half 34.94s
200 Butterfly LCM 2:40.98
Front half 75.77s · back half 85.21s
200 Individual Medley LCM 2:31.22
Front half 70.13s · back half 81.09s
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.