swimColbie Marks
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 22.09 | 2018-03-11 | 2018 CO Jeffco Bronze Cup slow pool | |
| 50 Freestyle | SCY | 25.59 | AA+0.50s to AAA | 2026-02-21 | 2026 CO Colorado Senior Meet fast pool |
| 100 Freestyle | SCY | 55.86 | AA+1.37s to AAA | 2026-02-17 | 2026 CO OB CHSAA 5A State Championships venue |
| 200 Freestyle | SCY | 2:02.73 | A+0.04s to AA | 2026-02-06 | 2026 CO OB Granite Peaks Conference venue |
| 500 Freestyle | SCY | 5:38.62 | A+7.93s to AA | 2026-02-22 | 2026 CO Colorado Senior Meet fast pool |
| 25 Backstroke | SCY | 24.01 | 2018-03-11 | 2018 CO Jeffco Bronze Cup slow pool | |
| 50 Backstroke | SCY | 32.99 | B+0.20s to BB | 2024-10-04 | 2024 CO CUDA vs RIP Dual venue |
| 100 Backstroke | SCY | 1:07.97 | BB+3.68s to A | 2025-11-08 | 2025 TAC TITANS Big Southern Classic venue |
| 200 Backstroke | SCY | 2:27.67 | BB+8.38s to A | 2025-11-09 | 2025 TAC TITANS Big Southern Classic venue |
| 50 Breaststroke | SCY | 37.40 | BB+2.01s to A | 2025-01-01 | Colorado Swimming Championship Meet |
| 100 Breaststroke | SCY | 1:21.99 | B+1.60s to BB | 2025-01-01 | 2025 CO CUDA Pentathlon XXXVIII |
| 200 Breaststroke | SCY | 2:35.37 | A+1.38s to AA | 2026-01-16 | 2026 CO CUDA Classic |
| 50 Butterfly | SCY | 31.13 | BB+1.04s to A | 2025-01-01 | Colorado Swimming Championship Meet |
| 100 Butterfly | SCY | 1:08.23 | BB+4.14s to A | 2025-01-01 | 2025 CO CUDA Pentathlon XXXVIII |
| 200 Butterfly | SCY | 2:46.26 | B+11.77s to BB | 2026-01-18 | 2026 CO CUDA Classic venue |
| 100 Individual Medley | SCY | 1:09.49 | 2025-01-01 | Colorado Swimming Championship Meet | |
| 200 Individual Medley | SCY | 2:30.01 | BB+6.62s to A | 2025-01-01 | 2025 CO CUDA Pentathlon XXXVIII |
| 400 Individual Medley | SCY | 5:17.96 | BB+10.97s to A | 2025-01-01 | 2025 CO CUDA 500 Freestyle Meet |
| 50 Freestyle | SCM | 33.56 | B+0.77s to BB | 2022-09-18 | 2022 CO Riptide Fall Splash venue |
| 100 Freestyle | SCM | 1:14.72 | B+3.53s to BB | 2022-09-18 | 2022 CO Riptide Fall Splash venue |
| 200 Freestyle | SCM | 2:29.28 | BB+7.79s to A | 2024-06-08 | 2024 CO MACS Suburban League Invite venue |
| 50 Backstroke | SCM | 41.38 | +2.39s to B | 2022-06-11 | 2022 CO MACS Suburban League Invite venue |
| 100 Backstroke | SCM | 1:20.83 | B+3.94s to BB | 2024-06-08 | 2024 CO MACS Suburban League Invite venue |
| 50 Butterfly | SCM | 49.31 | +10.62s to B | 2021-03-06 | 2021 CO CAC vs RIP Dual venue |
| 100 Butterfly | SCM | 1:22.96 | +0.37s to B | 2024-06-08 | 2024 CO MACS Suburban League Invite venue |
| 100 Individual Medley | SCM | 1:32.75 | 2022-06-11 | 2022 CO MACS Suburban League Invite venue | |
| 50 Freestyle | LCM | 29.32 | AA+0.73s to AAA | 2025-06-22 | 2025 CO Grand Junction Invitational venue |
| 100 Freestyle | LCM | 1:04.28 | AA+2.59s to AAA | 2025-06-20 | 2025 CO Grand Junction Invitational venue |
| 200 Freestyle | LCM | 2:23.90 | A+4.61s to AA | 2025-06-21 | 2025 CO Grand Junction Invitational venue |
| 400 Freestyle | LCM | 5:06.60 | A+11.71s to AA | 2026-04-24 | 2026 CO Steve Drozda LC Shotgun venue |
| 50 Backstroke | LCM | 37.51 | BB+2.12s to A | 2026-04-11 | 2026 CO TOPS SBL Pentathlon 13&O venue |
| 100 Backstroke | LCM | 1:18.92 | BB+3.93s to A | 2026-04-25 | 2026 CO Steve Drozda LC Shotgun venue |
| 200 Backstroke | LCM | 2:54.07 | BB+13.08s to A | 2025-06-20 | 2025 CO Grand Junction Invitational venue |
| 50 Breaststroke | LCM | 45.00 | B+1.51s to BB | 2026-04-11 | 2026 CO TOPS SBL Pentathlon 13&O venue |
| 100 Breaststroke | LCM | 1:39.68 | +0.49s to B | 2025-06-22 | 2025 CO Grand Junction Invitational venue |
| 200 Breaststroke | LCM | 3:39.27 | +6.48s to B | 2025-04-27 | 2025 CO Steve Drozda LC Shotgun venue |
| 50 Butterfly | LCM | 34.40 | BB+0.81s to A | 2026-04-11 | 2026 CO TOPS SBL Pentathlon 13&O venue |
| 100 Butterfly | LCM | 1:19.90 | B+1.51s to BB | 2026-04-26 | 2026 CO Steve Drozda LC Shotgun venue |
| 200 Individual Medley | LCM | 2:51.55 | BB+7.16s to A | 2025-06-22 | 2025 CO Grand Junction Invitational venue |
| 400 Individual Medley | LCM | 6:37.22 | B+18.43s to BB | 2024-06-02 | 2024 CO Barracuda Summer Sizzler Invite 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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.56 | flat | 200 Free Relay | 2022-03-12 | 2022 CO JH Mile High Championship |
| 50 Freestyle | SCY | 26.60 | flying | 200 Free Relay (leg 2) | 2024-12-07 | 2024 CO CSI Pioneer Open |
| 100 Freestyle | SCY | 57.86 | flat | 400 Free Relay | 2025-03-02 | 2025 CO CSI 14&U Age Group Championships |
| 100 Freestyle | SCY | 57.88 | flying | 400 Medley Relay (leg 4) | 2025-03-01 | 2025 CO CSI 14&U Age Group Championships |
| 50 Backstroke | SCY | 31.49 | flat | 200 Medley Relay | 2023-12-01 | 2023 CO CSI Pioneer Open |
| 50 Breaststroke | SCY | 46.52 | flying | 200 Medley Relay (leg 2) | 2022-03-13 | 2022 CO JH Mile High Championship |
| 50 Freestyle | SCM | 44.98 | flat | 200 Free Relay | 2020-09-12 | 2020 CO RIP vs FAC Dual |
| 50 Freestyle | LCM | 34.12 | flying | 200 Free Relay (leg 3) | 2022-07-31 | 2022 CO CSI 12&U Age Group Championships |
| 100 Freestyle | LCM | 1:05.02 | flying | 400 Free Relay (leg 2) | 2025-07-17 | 2025 CO CSI Senior LC State Championships |
| 50 Backstroke | LCM | 39.96 | flat | 200 Medley Relay | 2022-07-30 | 2022 CO CSI 12&U Age Group Championships |
| 100 Breaststroke | LCM | 1:31.99 | flying | 400 Medley Relay (leg 2) | 2022-06-30 | 2022 CO Grand Junction Invitational |
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 15-16 · SCY
3559 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:38.62 | 700 |
| 200 BK SCY | 2:27.67 | 559 |
| 200 BR SCY | 2:35.37 | 723 |
| 200 FL SCY | 2:46.26 | 418 |
| 200 IM SCY | 2:30.01 | 572 |
| 400 IM SCY | 5:17.96 | 587 |
IMR 15-16 · SCY
2920 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:02.73 | 755 |
| 100 BK SCY | 1:07.97 | 561 |
| 100 BR SCY | 1:21.99 | 486 |
| 100 FL SCY | 1:08.23 | 546 |
| 200 IM SCY | 2:30.01 | 572 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 55.86
Front half 26.81s · back half 29.05s
200 Freestyle SCY 2:02.73
Front half 58.75s · back half 63.98s
500 Freestyle SCY 5:38.62
Front half 165.76s · back half 172.86s
100 Backstroke SCY 1:07.97
Front half 32.97s · back half 35.00s
200 Backstroke SCY 2:27.67
Front half 73.04s · back half 74.63s
200 Butterfly SCY 2:46.26
Front half 74.22s · back half 92.04s
100 Freestyle LCM 1:04.28
Front half 30.53s · back half 33.75s
200 Freestyle LCM 2:23.90
Front half 69.38s · back half 74.52s
100 Backstroke LCM 1:18.92
Front half 37.47s · back half 41.45s
200 Backstroke LCM 2:54.07
Front half 84.94s · back half 89.13s
200 Breaststroke LCM 3:39.27
Front half 104.01s · back half 115.26s
100 Butterfly LCM 1:19.90
Front half 36.72s · back half 43.18s
200 Individual Medley LCM 2:51.55
Front half 81.23s · back half 90.32s
400 Individual Medley LCM 6:37.22
Front half 196.77s · back half 200.45s
Progression
Faster times are higher. One card per event, all courses & history.