swimMarshall McCullough
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.74 | +0.25s to B | 2025-11-22 | 2025 OH SC Senior Fall Invitational venue |
| 100 Freestyle | SCY | 1:01.20 | B+3.31s to BB | 2026-03-08 | 2026 OH Tim Myers SC Senior Champs fast pool |
| 200 Freestyle | SCY | 1:51.69 | AA+4.60s to AAA | 2026-03-05 | 2026 OH Tim Myers SC Senior Champs |
| 500 Freestyle | SCY | 5:53.09 | B+9.10s to BB | 2026-03-08 | 2026 OH Tim Myers SC Senior Champs fast pool |
| 1000 Freestyle | SCY | 13:00.87 | +9.08s to B | 2025-11-23 | 2025 OH SC Senior Fall Invitational venue |
| 1650 Freestyle | SCY | 21:29.30 | +2.71s to B | 2025-11-23 | 2025 OH SC Senior Fall Invitational venue |
| 50 Backstroke | SCY | 33.69 | +1.90s to B | 2026-03-06 | 2026 OH Tim Myers SC Senior Champs fast pool |
| 100 Backstroke | SCY | 1:13.48 | +5.69s to B | 2025-11-22 | 2025 OH SC Senior Fall Invitational venue |
| 200 Backstroke | SCY | 2:31.79 | +3.30s to B | 2026-03-06 | 2026 OH Tim Myers SC Senior Champs fast pool |
| 50 Butterfly | SCY | 33.80 | +2.01s to B | 2026-03-08 | 2026 OH Tim Myers SC Senior Champs fast pool |
| 100 Butterfly | SCY | 1:33.74 | +26.45s to B | 2024-02-17 | 2024 OH UASC SC Regional Championships slow pool |
| 50 Freestyle | LCM | 32.78 | B+2.19s to BB | 2025-07-26 | 2025 OH LSC LC Senior Champs venue |
| 100 Freestyle | LCM | 1:12.63 | +0.74s to B | 2025-07-27 | 2025 OH LSC LC Senior Champs venue |
| 50 Backstroke | LCM | 39.78 | +1.89s to B | 2025-07-25 | 2025 OH LSC LC Senior Champs venue |
| 100 Backstroke | LCM | 1:24.28 | +4.79s to B | 2025-07-26 | 2025 OH LSC LC Senior Champs venue |
| 200 Backstroke | LCM | 3:09.95 | +17.66s to B | 2025-05-17 | 2025 OH BKYS Spring Challenge |
| 50 Butterfly | LCM | 42.62 | +6.73s to B | 2025-07-27 | 2025 OH LSC LC Senior Champs venue |
| 100 Butterfly | LCM | 1:42.66 | +25.67s to B | 2024-07-26 | 2024 OH LSC LC Senior Champs venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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.
IMX / IMR
IMX 15-16 · SCY
866 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:53.09 | 479 |
| 200 BK SCY | 2:31.79 | 387 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
1244 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:51.69 | 761 |
| 100 BK SCY | 1:13.48 | 328 |
| 100 FL SCY | 1:33.74 | 155 |
| 100 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:01.20
Front half 29.36s · back half 31.84s
500 Freestyle SCY 5:53.09
Front half 175.62s · back half 177.47s
1650 Freestyle SCY 21:29.30
100 Backstroke SCY 1:13.48
Front half 35.00s · back half 38.48s
200 Backstroke SCY 2:31.79
Front half 73.21s · back half 78.58s
100 Butterfly SCY 1:33.74
Front half 41.82s · back half 51.92s
100 Freestyle LCM 1:12.63
Front half 33.59s · back half 39.04s
100 Backstroke LCM 1:24.28
Front half 41.73s · back half 42.55s
100 Butterfly LCM 1:42.66
Front half 46.20s · back half 56.46s
Progression
Faster times are higher. One card per event, all courses & history.