swimMacy Belzer
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.98 | AA+0.99s to AAA | 2024-02-10 | Cougar Classic fast pool |
| 100 Freestyle | SCY | 57.64 | A+1.05s to AA | 2024-03-03 | 2024 IES Short Course Championships fast pool |
| 200 Freestyle | SCY | 2:14.90 | BB+7.21s to A | 2023-11-11 | 2023 Adam England Memorial Fall Splash venue |
| 500 Freestyle | SCY | 6:13.22 | B+0.23s to BB | 2022-12-02 | 2022 IE VAN Vandal Invitational venue |
| 1000 Freestyle | SCY | 13:24.77 | B+33.08s to BB | 2022-11-19 | 2022 Adam England Memorial Fall Splash venue |
| 50 Backstroke | SCY | 33.47 | B+0.78s to BB | 2022-09-24 | 2022 IE MRA Sprint Shootout venue |
| 100 Backstroke | SCY | 1:12.87 | B+3.68s to BB | 2022-11-20 | 2022 Adam England Memorial Fall Splash venue |
| 200 Backstroke | SCY | 2:39.91 | B+9.82s to BB | 2023-01-29 | 2023 Winter Open venue |
| 50 Breaststroke | SCY | 32.95 | AA+0.76s to AAA | 2024-03-02 | 2024 IES Short Course Championships fast pool |
| 100 Breaststroke | SCY | 1:10.94 | A+0.65s to AA | 2024-03-22 | 2024 Northwest Region Age Group Regionals venue |
| 200 Breaststroke | SCY | 2:38.87 | A+5.38s to AA | 2024-03-23 | 2024 Northwest Region Age Group Regionals venue |
| 50 Butterfly | SCY | 28.47 | AA+1.08s to AAA | 2024-03-03 | 2024 IES Short Course Championships fast pool |
| 100 Butterfly | SCY | 1:05.65 | BB+2.16s to A | 2024-03-02 | 2024 IES Short Course Championships fast pool |
| 200 Butterfly | SCY | 2:38.19 | B+4.90s to BB | 2024-11-15 | 2024 Adam England Memorial Fall Splash venue |
| 100 Individual Medley | SCY | 1:11.84 | 2024-09-21 | 2024 IE MRA Sprint Shootout venue | |
| 200 Individual Medley | SCY | 2:25.29 | BB+2.90s to A | 2024-03-01 | 2024 IES Short Course Championships fast pool |
| 400 Individual Medley | SCY | 5:29.46 | B+0.67s to BB | 2022-12-09 | 2022 SWAT Winter Invite venue |
| 50 Freestyle | LCM | 29.58 | AA+1.19s to AAA | 2025-07-26 | 2025 IES LC CHAMPIONSHIPS venue |
| 100 Freestyle | LCM | 1:06.78 | A+2.49s to AA | 2024-07-31 | GroupB - WZ LCM Senior Champs 2024 venue |
| 200 Freestyle | LCM | 2:29.99 | BB+4.80s to A | 2025-07-26 | 2025 IES LC CHAMPIONSHIPS venue |
| 400 Freestyle | LCM | 5:51.24 | B+19.05s to BB | 2022-07-08 | 2022 Sizzlin' Summer Splash slow pool |
| 800 Freestyle | LCM | 12:12.64 | B+44.25s to BB | 2023-06-23 | 2023 Summer Solstice venue |
| 1500 Freestyle | LCM | 23:38.80 | +4.91s to B | 2022-05-20 | 2022 LCN Fazzari's Open Combined venue |
| 50 Backstroke | LCM | 38.63 | B+0.24s to BB | 2025-06-06 | 2025 TRI-CITY INVITATIONAL venue |
| 100 Backstroke | LCM | 1:26.49 | B+5.60s to BB | 2023-07-09 | 2023 Sizzlin' Summer Splash slow pool |
| 200 Backstroke | LCM | 3:19.54 | +10.85s to B | 2022-05-21 | 2022 LCN Fazzari's Open Combined venue |
| 50 Breaststroke | LCM | 38.05 | A+0.06s to AA | 2024-06-01 | 2024 TRI-CITY INVITATIONAL venue |
| 100 Breaststroke | LCM | 1:22.31 | A+1.62s to AA | 2022-07-22 | 2022 IES LC Junior Olympics venue |
| 200 Breaststroke | LCM | 3:06.71 | BB+4.12s to A | 2024-06-01 | 2024 TRI-CITY INVITATIONAL venue |
| 50 Butterfly | LCM | 33.82 | BB+0.43s to A | 2024-06-01 | 2024 TRI-CITY INVITATIONAL venue |
| 100 Butterfly | LCM | 1:17.33 | BB+5.04s to A | 2024-08-02 | GroupB - WZ LCM Senior Champs 2024 venue |
| 200 Butterfly | LCM | 3:30.10 | +23.61s to B | 2021-06-05 | 2021 TRI-CITY OPEN venue |
| 200 Individual Medley | LCM | 2:53.89 | BB+10.30s to A | 2024-05-31 | 2024 TRI-CITY INVITATIONAL venue |
| 400 Individual Medley | LCM | 5:58.82 | BB+11.83s to A | 2025-06-08 | 2025 TRI-CITY INVITATIONAL venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 25.62 | flying | 200 Free Relay (leg 3) | 2025-04-05 | 2025 SC Western Zone Sr. Championships |
| 50 Breaststroke | SCY | 27.17 | flying | 200 Medley Relay (leg 2) | 2025-04-04 | 2025 SC Western Zone Sr. Championships |
| 50 Freestyle | LCM | 29.74 | flat | 200 Free Relay | 2024-08-01 | WZ LCM Senior Champs 2024 |
| 100 Breaststroke | LCM | 16.94 | flying | 400 Medley Relay (leg 2) | 2025-06-21 | 2025 SWAT Summer Solstice |
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 17-18 · SCY
3149 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:13.22 | 505 |
| 200 BK SCY | 2:39.91 | 413 |
| 200 BR SCY | 2:38.87 | 662 |
| 200 FL SCY | 2:38.19 | 459 |
| 200 IM SCY | 2:25.29 | 602 |
| 400 IM SCY | 5:29.46 | 508 |
IMR 17-18 · SCY
2892 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:14.90 | 547 |
| 100 BK SCY | 1:12.87 | 429 |
| 100 BR SCY | 1:10.94 | 720 |
| 100 FL SCY | 1:05.65 | 594 |
| 200 IM SCY | 2:25.29 | 602 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 57.64
Front half 27.31s · back half 30.33s
200 Freestyle SCY 2:14.90
Front half 63.18s · back half 71.72s
500 Freestyle SCY 6:13.22
Front half 181.51s · back half 191.71s
1000 Freestyle SCY 13:24.77
Front half 355.79s · back half 448.98s
50 Backstroke SCY 33.47
Front half 16.82s · back half 16.65s
200 Backstroke SCY 2:39.91
Front half 79.75s · back half 80.16s
100 Breaststroke SCY 1:10.94 RT 0.57s
Front half 33.02s · back half 37.92s
200 Breaststroke SCY 2:38.87 RT 0.54s
Front half 75.13s · back half 83.74s
100 Butterfly SCY 1:05.65
Front half 29.24s · back half 36.41s
200 Butterfly SCY 2:38.19
Front half 75.02s · back half 83.17s
100 Individual Medley SCY 1:11.84
Front half 33.74s · back half 38.10s
200 Individual Medley SCY 2:25.29
Front half 70.98s · back half 74.31s
400 Individual Medley SCY 5:29.46
100 Freestyle LCM 1:06.78
Front half 31.86s · back half 34.92s
200 Freestyle LCM 2:29.99
Front half 70.09s · back half 79.90s
400 Freestyle LCM 5:51.24
Front half 174.80s · back half 176.44s
800 Freestyle LCM 12:12.64
Front half 353.86s · back half 378.78s
100 Backstroke LCM 1:26.49
Front half 42.04s · back half 44.45s
200 Breaststroke LCM 3:06.71
Front half 90.48s · back half 96.23s
100 Butterfly LCM 1:17.33
Front half 33.92s · back half 43.41s
200 Butterfly LCM 3:30.10
Front half 94.12s · back half 115.98s
200 Individual Medley LCM 2:53.89
Front half 84.65s · back half 89.24s
400 Individual Medley LCM 5:58.82
Front half 173.29s · back half 185.53s
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.